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List of magnitude 4.0 or larger earthquakes in Washington and Oregon
This list is incomplete prior to 1970. Since 1970, the list should be complete, and include all WA and OR earthquakes magnitude 4.0 and greater.
DATE-(UTC)-TIME LAT(N) LON(W) DEP MAG QUAL COMMENTS
yy/mm/dd hh:mm:ss deg. deg. km Ml
1872/12/15 05:40:00 47.75N 119.87W 0.0 6.8 14.5 km SE of Chelan, WA
1873/11/23 05:05:00 42.79N 124.50W 0.0 6.3 67.2 km SSW of Coos Bay, OR
1877/10/12 17:00:00 45.50N 122.50W 0.0 5.4 10.2 km ESE of Portland, OR
1880/12/12 20:40:00 47.50N 122.50W 0.0 6.0 12.3 km SE of Bremerton, WA
1882/04/30 10:40:00 47.40N 122.59W 0.0 5.7 18.7 km S of Bremerton, WA
1891/03/07 07:40:00 47.50N 121.75W 0.0 5.0 2.7 km E of North Bend, WA
1891/11/29 23:21:00 48.00N 123.50W 0.0 5.6 13.5 km SSW of Port Angeles, WA
1893/03/06 17:03:00 46.00N 119.00W 0.0 5.3 24.5 km SSE of Kenewick, WA
1896/01/04 06:15:00 48.50N 122.80W 0.0 5.0 15.7 km ESE of Friday Harbor, WA
1904/03/17 04:20:00 47.79N 123.00W 0.0 5.3 27.6 km WNW of Poulsbo, WA
1909/01/11 23:49:00 48.70N 122.80W 31.0 6.0 23.8 km NE of Friday Harbor, WA
1915/08/18 14:05:00 48.50N 121.40W 0.0 5.6 22.5 km SSW of Newhalem, WA
1918/12/06 12:45:00 49.00N 125.91W 0.0 7.0 16.1 km S of Tofino, BC
1919/10/10 01:07:20 48.63N 127.15W 0.0 5.5 107.4 km WSW of Tofino, BC
1920/01/24 07:09:00 48.59N 123.00W 0.0 5.5 7.2 km N of Friday Harbor, WA
1926/09/17 23:14:40 50.00N 123.00W 0.0 5.5 18.9 km N of Mt Garibaldi, BC
1926/12/30 17:57:00 47.70N 120.19W 0.0 5.0 4.6 km NNE of Entiat, WA
1928/02/02 12:52:00 47.79N 121.69W 0.0 5.0 21.3 km ESE of Monroe, WA
1928/02/09 11:05:00 49.00N 125.30W 0.0 5.8 48.1 km ESE of Tofino, BC
1930/07/19 02:38:00 45.00N 123.19W 0.0 5.0 14.5 km WNW of Salem, OR
1931/04/18 03:55:00 48.70N 122.19W 0.0 5.0 14.0 km S of Deming, WA
1931/12/31 15:25:00 47.50N 123.00W 0.0 5.0 28.9 km WSW of Bremerton, WA
1932/07/18 06:01:00 48.00N 121.80W 0.0 5.7 15.6 km SE of Granite Falls, WA
1932/08/06 22:16:00 47.70N 122.30W 0.0 5.0 7.2 km WNW of Kirkland, Wa
1936/07/16 07:07:49 46.00N 118.30W 0.0 6.1 8.1 km SSE of Walla Walla, Wa
1939/11/13 07:45:54 47.40N 122.59W 31.0 6.2 18.7 km S of Bremerton, WA
1941/04/07 09:25:00 48.29N 119.59W 0.0 4.5 7.6 km SSW of Okanogan, WA
1941/12/29 18:37:00 45.53N 122.62W 0.0 5.0 0.0 km S of Portland, OR
1942/11/01 18:50:06 48.00N 116.69W 0.0 5.5 64.6 km NE of Spokane, WA (Mission & N Division)
1943/04/24 00:10:46 47.29N 120.59W 0.0 5.0 25.2 km WSW of Wenatchee, Wa
1943/11/29 00:43:00 48.40N 122.90W 0.0 5.0 17.0 km SSE of Friday Harbor, WA
1944/12/07 04:48:00 46.97N 123.88W 0.0 5.0 5.8 km W of Aberdeen, WA
1945/01/28 05:06:08 48.24N 122.37W 0.0 5.0 20.0 km S of Mount Vernon, WA
1945/04/29 20:16:17 47.40N 121.69W 0.0 5.7 12.5 km SSE of North Bend, WA
1945/04/30 07:45:45 47.40N 121.69W 0.0 5.0 12.5 km SSE of North Bend, WA
1945/11/12 04:05:00 48.00N 122.50W 0.0 5.0 22.5 km W of Everett, WA
1946/02/15 03:17:47 47.29N 122.90W 25.0 5.8 28.4 km N of Olympia, WA
1946/02/15 12:17:15 46.86N 122.26W 0.0 5.0 0.3 km NW of Eatonville, WA
1946/02/23 08:54:53 47.04N 122.88W 0.0 5.0 0.0 km SE of Olympia, WA
1946/06/23 15:13:00 49.80N 125.30W 0.0 7.4 26.3 km WNW of Courtenay, BC
1948/09/24 22:35:00 47.85N 122.58W 0.0 5.0 14.0 km NNE of Poulsbo, WA
1949/04/13 19:55:43 47.09N 122.75W 54.0 7.1 12.3 km ENE of Olympia, WA
1950/04/14 11:03:48 48.00N 122.50W 0.0 5.0 22.5 km W of Everett, WA
1953/12/16 04:32:12 45.50N 122.69W 0.0 5.0 7.4 km WSW of Portland, OR
1954/05/15 13:02:32 47.40N 122.50W 0.0 5.0 18.9 km NNW of Tacoma, WA
1955/03/26 06:56:51 48.09N 122.00W 0.0 5.0 3.0 km NW of Granite Falls, WA
1957/01/26 01:16:07 48.29N 122.59W 0.0 5.0 24.2 km SW of Mount Vernon, WA
1957/02/11 17:05:56 47.50N 121.69W 0.0 5.0 6.4 km E of North Bend, WA
1957/11/17 06:00:29 45.29N 123.80W 0.0 5.0 17.7 km S of Tillamook, OR
1958/04/12 22:37:11 48.00N 120.00W 0.0 5.0 17.6 km N of Chelan, WA
1958/10/07 05:07:56 46.70N 124.00W 0.0 5.0 33.8 km SSW of Aberdeen, WA
1959/08/06 03:44:32 47.79N 119.90W 0.0 5.0 9.7 km ESE of Chelan, WA
1959/12/12 06:24:17 48.70N 123.30W 0.0 4.5 28.4 km NW of Friday Harbor, WA
1960/01/07 09:16:04 46.75N 122.66W 0.0 4.4 9.8 km ENE of Centralia Blast site D, WA
1960/09/10 15:06:34 47.70N 123.15W 0.0 4.7 38.1 km W of Poulsbo, WA
1960/11/08 11:36:23 45.04N 125.38W 0.0 5.0 114.9 km WNW of Newport, OR
1961/02/02 05:50:13 46.70N 122.80W 0.0 4.5 1.9 km SW of Centralia Blast site D, WA
1961/08/19 04:56:24 44.70N 122.50W 33.0 4.1 50.2 km ESE of Salem, OR
1961/09/16 03:24:55 46.01N 122.12W 7.2 4.8 21.4 km SSE of Mt St Helens, WA
1961/09/16 11:45:58 46.01N 122.13W 7.2 4.0 21.0 km SSE of Mt St Helens, WA
1961/09/17 15:55:55 46.02N 122.12W 7.2 5.1 20.2 km SSE of Mt St Helens, WA
1961/11/07 01:29:08 45.70N 122.86W 0.0 4.7 26.5 km NW of Portland, OR
1962/01/15 05:29:13 47.83N 120.21W 0.0 4.0 15.2 km W of Chelan, WA
1962/11/06 03:36:43 45.60N 122.59W 18.0 5.5 8.3 km NNE of Portland, OR
1962/12/31 20:49:30 47.25N 122.08W 2.0 4.7 8.6 km NW of Enumclaw, WA
1963/01/24 21:43:09 47.56N 122.02W 0.0 4.6 10.7 km W of Fall City, WA
1963/03/07 23:53:27 44.84N 123.41W 47.0 4.6 32.6 km WSW of Salem, OR
1963/12/27 02:36:22 45.77N 123.34W 35.0 4.5 50.8 km SW of Longview, WA
1964/04/26 01:42:49 48.70N 120.50W 0.0 4.0 47.3 km E of Diablo, WA
1964/07/14 15:50:03 48.90N 122.50W 0.0 4.6 15.3 km N of Bellingham, WA
1964/07/30 15:33:14 47.70N 122.10W 0.0 4.0 8.3 km ENE of Kirkland, Wa
1964/10/01 12:31:24 45.70N 122.80W 0.0 4.1 23.1 km NW of Portland, OR
1965/04/29 15:28:43 47.40N 122.40W 57.0 6.5 18.3 km N of Tacoma, WA
1965/08/19 21:02:15 44.59N 118.40W 33.0 4.4 48.4 km ENE of John Day, OR
1965/10/23 16:27:59 47.50N 122.40W 0.0 4.3 12.4 km SSW of Seattle, WA (1st & Yesler)
1965/10/30 19:15:57 42.09N 121.80W 25.0 4.0 14.0 km S of Klamath Falls, OR
1965/11/07 16:41:47 44.90N 117.00W 5.0 4.3 67.3 km ENE of Baker, OR
1966/12/30 03:51:40 44.90N 117.00W 10.0 4.2 67.3 km ENE of Baker, OR
1966/12/30 10:55:04 42.50N 124.80W 33.0 4.3 96.4 km NNW of Crescent City, CA
1967/05/25 23:22:34 48.20N 122.80W 33.0 4.1 40.0 km SSE of Friday Harbor, WA
1968/05/28 00:08:48 42.25N 119.66W 21.0 4.4 19.4 km ENE of Adel, OR
1968/05/28 00:51:03 42.25N 119.76W 33.0 4.1 12.5 km NE of Adel, OR
1968/05/28 12:55:42 42.25N 119.80W 34.0 4.4 9.3 km NE of Adel, OR
1968/05/30 00:35:58 42.33N 119.84W 22.0 5.1 15.7 km NNE of Adel, OR
1968/05/31 03:06:38 42.09N 119.77W 33.0 4.1 14.6 km SE of Adel, OR
1968/06/03 13:27:39 42.25N 119.80W 20.0 5.0 9.9 km NE of Adel, OR
1968/06/04 02:34:14 42.24N 119.87W 25.0 4.6 5.6 km NNE of Adel, OR
1968/06/04 02:38:29 42.31N 119.78W 25.0 4.0 16.2 km NNE of Adel, OR
1968/06/04 03:35:49 42.31N 119.75W 33.0 4.1 18.0 km NE of Adel, OR
1968/06/04 05:52:32 42.28N 119.81W 34.0 4.0 12.2 km NNE of Adel, OR
1968/06/04 06:22:17 42.20N 119.83W 26.0 4.4 5.2 km E of Adel, OR
1968/06/04 10:58:22 42.25N 119.76W 25.0 4.2 12.6 km NE of Adel, OR
1968/06/05 04:51:56 42.22N 119.98W 25.0 4.6 9.1 km WNW of Adel, OR
1968/06/05 05:12:35 42.29N 119.76W 33.0 4.4 15.6 km NE of Adel, OR
1968/06/05 07:37:45 42.25N 119.91W 33.0 4.0 6.7 km NNW of Adel, OR
1968/06/05 08:20:38 42.29N 119.83W 33.0 4.0 12.0 km NNE of Adel, OR
1968/06/12 01:46:21 42.13N 119.79W 8.0 4.3 10.9 km SE of Adel, OR
1968/06/19 05:51:43 47.20N 122.50W 0.0 4.6 6.5 km SW of Tacoma, WA
1968/06/21 20:33:27 42.20N 119.65W 23.0 4.3 20.1 km E of Adel, OR
1968/06/22 09:39:52 42.18N 119.72W 0.0 4.3 14.3 km E of Adel, OR
1968/06/24 11:03:17 42.29N 119.83W 33.0 4.2 11.7 km NNE of Adel, OR
1969/02/14 08:33:36 48.93N 123.06W 52.0 4.2 21.2 km S of Vancouver,BC
1969/10/09 17:07:55 46.76N 121.71W 0.0 4.3 10.3 km SSE of Mt Rainier, WA
1969/11/10 07:38:44 48.54N 121.51W 33.0 4.6 17.6 km E of Concrete, WA
1970/10/24 22:32:08 47.33N 122.38W 13.0 4.1 BD FELT 11.9 km NNE of Tacoma, WA
1971/11/23 02:12:17 48.16N 121.42W 24.8 4.1 BD 16.2 km SE of Darrington, WA
1971/12/28 07:50:00 47.57N 122.20W 21.4 4.1 AB FELT 4.0 km S of Bellevue, WA
1972/11/09 04:19:19 48.42N 123.27W 44.4 4.1 CD 5.2 km E of Victoria, BC
1973/12/20 01:08:28 46.86N 119.35W 3.3 4.4 AB 15.2 km WNW of Othello, WA
1974/04/20 03:00:09 46.71N 121.47W 5.6 4.7 DD FELT 22.2 km N of Goat Rocks, WA
1974/05/16 13:04:37 48.10N 122.97W 48.3 4.0 BB FELT 35.0 km E of Port Angeles, WA
1975/04/16 19:09:29 47.55N 122.90W 40.5 4.0 AB FELT 20.7 km W of Bremerton, WA
1975/04/23 01:03:42 47.07N 122.66W 45.5 4.2 BB FELT 17.8 km ENE of Olympia, WA
1976/04/13 00:47:14 45.07N 120.85W 15.0 4.6 DD FELT 20.6 km ESE of Maupin, OR
1976/04/17 02:11:44 45.15N 120.84W 15.0 4.0 DD 18.4 km E of Maupin, OR
1976/05/16 08:35:15 48.78N 123.34W 60.0 5.1 CD FELT 37.1 km NW of Friday Harbor, WA
1976/09/02 13:36:11 48.19N 122.76W 22.6 4.7 BB FELT 40.7 km SW of Mount Vernon, WA
1976/09/08 08:21:02 47.37N 123.09W 45.9 4.5 BA FELT 39.8 km NNW of Olympia, WA
1976/10/14 21:39:18 46.67N 122.36W 17.3 4.0 AC FELT 14.7 km NNW of Morton, WA
1977/06/17 06:16:02 47.76N 122.72W 18.8 4.0 AB FELT 6.4 km WNW of Poulsbo, WA
1978/03/11 15:52:11 47.42N 122.70W 22.3 4.8 BA FELT 17.4 km SSW of Bremerton, WA
1978/03/31 08:03:00 47.41N 122.71W 21.1 4.1 BA FELT 17.7 km SSW of Bremerton, WA
1978/12/31 03:23:47 47.59N 121.84W 18.4 4.2 CA FELT 4.6 km NE of Fall City, WA
1979/04/08 07:29:37 45.99N 118.39W 7.9 4.3 AD FELT 10.3 km SSW of Walla Walla, Wa
1979/11/09 16:02:09 48.88N 124.59W 36.0 4.0 CD FELT 93.7 km SSE of Courtenay, BC
1980/03/24 21:56:49 46.19N 122.17W 0.0 4.4 CB 1.4 km E of Mt St Helens, WA
1980/03/25 07:08:46 46.19N 122.18W 0.0 4.1 BC 0.7 km ESE of Mt St Helens, WA
1980/03/25 21:50:51 46.20N 122.20W 0.0 4.1 BC 1.1 km WNW of Mt St Helens, WA
1980/03/25 22:53:01 46.19N 122.18W 0.0 4.3 BA 0.9 km E of Mt St Helens, WA
1980/03/26 01:06:29 46.20N 122.18W 0.0 4.0 CA 0.4 km NNE of Mt St Helens, WA
1980/03/26 02:03:18 46.20N 122.20W 0.0 4.4 AB 1.4 km NW of Mt St Helens, WA
1980/03/26 02:35:59 46.20N 122.18W 0.1 4.1 BA 0.5 km NE of Mt St Helens, WA
1980/03/26 05:00:04 46.20N 122.18W 0.0 4.3 BB 0.8 km NE of Mt St Helens, WA
1980/03/26 05:13:40 46.20N 122.19W 0.0 4.1 BB 0.8 km NNW of Mt St Helens, WA
1980/03/26 05:30:09 46.19N 122.19W 0.2 4.2 BA 0.3 km WNW of Mt St Helens, WA
1980/03/26 07:17:21 46.20N 122.18W 0.0 4.1 AB 1.0 km NE of Mt St Helens, WA
1980/03/26 09:10:07 46.20N 122.17W 0.0 4.1 AA 1.5 km NE of Mt St Helens, WA
1980/03/26 09:44:02 46.20N 122.16W 0.0 4.4 BB 1.8 km E of Mt St Helens, WA
1980/03/26 14:47:26 46.25N 122.17W 0.1 4.1 CC 1.9 km SW of Spirit Lake, WA
1980/03/26 17:07:10 46.19N 122.20W 2.6 4.4 BB 1.3 km WSW of Mt St Helens, WA
1980/03/26 20:37:49 46.20N 122.18W 0.3 4.0 AB 1.3 km NNE of Mt St Helens, WA
1980/03/27 03:40:05 46.21N 122.17W 0.1 4.2 BB 2.4 km NNE of Mt St Helens, WA
1980/03/27 03:48:58 46.20N 122.18W 0.0 4.1 AB 1.2 km NNE of Mt St Helens, WA
1980/03/27 04:26:10 46.19N 122.18W 4.5 4.0 BB 0.9 km SE of Mt St Helens, WA
1980/03/27 06:33:23 46.19N 122.21W 0.0 4.3 BA 2.0 km W of Mt St Helens, WA
1980/03/27 07:39:15 46.20N 122.17W 0.0 4.0 AA 1.4 km NE of Mt St Helens, WA
1980/03/27 14:55:54 46.20N 122.19W 0.0 4.3 AB 0.7 km N of Mt St Helens, WA
1980/03/27 15:55:03 46.20N 122.20W 1.0 4.0 BB 1.4 km NNW of Mt St Helens, WA
1980/03/27 18:55:44 46.20N 122.19W 0.8 4.0 AA 0.8 km N of Mt St Helens, WA
1980/03/27 20:16:43 46.20N 122.18W 0.1 4.3 AB 0.7 km NE of Mt St Helens, WA
1980/03/27 22:00:05 46.21N 122.19W 0.1 4.7 BA 1.8 km N of Mt St Helens, WA
1980/03/28 01:51:12 46.20N 122.18W 2.1 4.3 BB 0.9 km NNE of Mt St Helens, WA
1980/03/28 03:35:50 46.20N 122.18W 0.1 4.0 BB 0.5 km NNE of Mt St Helens, WA
1980/03/28 08:28:25 46.21N 122.17W 0.0 4.9 CB 2.1 km NNE of Mt St Helens, WA
1980/03/28 12:51:19 46.20N 122.18W 1.9 4.4 BB 1.5 km NE of Mt St Helens, WA
1980/03/28 13:59:38 46.20N 122.18W 0.8 4.1 BB 1.0 km N of Mt St Helens, WA
1980/03/28 15:18:43 46.20N 122.20W 0.0 4.0 CB 1.2 km NW of Mt St Helens, WA
1980/03/28 22:50:28 46.21N 122.20W 2.3 4.1 CB 1.5 km NNW of Mt St Helens, WA
1980/03/29 05:48:47 46.20N 122.19W 2.6 4.4 BB 0.8 km N of Mt St Helens, WA
1980/03/29 08:36:56 46.20N 122.17W 1.3 4.4 BB 1.3 km ENE of Mt St Helens, WA
1980/03/29 10:34:40 46.21N 122.18W 0.1 4.3 BB 1.8 km NNE of Mt St Helens, WA
1980/03/29 11:51:48 46.20N 122.19W 2.3 4.4 AB 0.6 km NNW of Mt St Helens, WA
1980/03/29 13:01:50 46.19N 122.20W 0.1 4.3 CB 1.0 km W of Mt St Helens, WA
1980/03/29 15:05:24 46.20N 122.18W 0.3 4.5 BB 0.6 km NE of Mt St Helens, WA
1980/03/29 15:35:39 46.21N 122.17W 1.2 4.4 BB 2.1 km NE of Mt St Helens, WA
1980/03/29 19:01:01 46.21N 122.17W 0.4 4.0 BB 2.1 km NNE of Mt St Helens, WA
1980/03/29 20:55:51 46.20N 122.18W 0.0 4.4 BB 1.0 km N of Mt St Helens, WA
1980/03/29 23:20:40 46.20N 122.18W 0.0 4.3 BB 0.6 km NNE of Mt St Helens, WA
1980/03/30 02:56:19 46.21N 122.19W 0.0 4.3 BB 1.4 km N of Mt St Helens, WA
1980/03/30 03:53:55 46.19N 122.16W 0.0 4.4 BB 1.9 km ESE of Mt St Helens, WA
1980/03/30 07:42:17 46.20N 122.18W 0.0 4.1 BB 1.1 km NE of Mt St Helens, WA
1980/03/30 09:16:53 46.20N 122.19W 2.0 4.5 BA 0.6 km N of Mt St Helens, WA
1980/03/30 12:39:57 46.20N 122.17W 0.0 4.1 BB 1.7 km NE of Mt St Helens, WA
1980/03/30 13:32:25 46.21N 122.19W 0.0 4.6 BA 1.3 km N of Mt St Helens, WA
1980/03/30 17:55:10 46.20N 122.18W 0.1 4.6 BA 1.3 km NNE of Mt St Helens, WA
1980/03/30 22:47:11 46.21N 122.19W 0.0 4.7 BA 1.4 km N of Mt St Helens, WA
1980/03/31 02:44:06 46.20N 122.19W 1.0 4.5 BA 1.1 km N of Mt St Helens, WA
1980/03/31 07:49:42 46.20N 122.18W 0.0 4.7 AA 1.3 km NNE of Mt St Helens, WA
1980/03/31 08:12:51 46.21N 122.19W 0.0 4.2 AA 1.7 km NNW of Mt St Helens, WA
1980/03/31 11:34:09 46.21N 122.19W 0.0 4.6 CA 1.3 km N of Mt St Helens, WA
1980/03/31 14:49:01 46.21N 122.19W 0.0 4.5 BA 1.9 km N of Mt St Helens, WA
1980/03/31 19:29:11 46.22N 122.17W 0.0 4.2 CB 3.3 km NNE of Mt St Helens, WA
1980/04/01 04:24:30 46.21N 122.17W 0.0 4.9 BB 2.1 km NNE of Mt St Helens, WA
1980/04/01 08:54:25 46.21N 122.18W 0.0 4.9 BB 1.7 km NNE of Mt St Helens, WA
1980/04/01 12:30:46 46.20N 122.18W 1.3 4.9 BA 1.3 km NE of Mt St Helens, WA
1980/04/01 23:14:38 46.20N 122.19W 0.2 4.9 BB 1.1 km N of Mt St Helens, WA
1980/04/02 09:37:12 46.20N 122.19W 0.0 4.9 CA 1.2 km N of Mt St Helens, WA
1980/04/02 18:48:20 46.20N 122.18W 0.0 4.6 BA 1.3 km NNE of Mt St Helens, WA
1980/04/03 02:43:19 46.20N 122.18W 0.0 4.8 BA 1.1 km N of Mt St Helens, WA
1980/04/03 09:35:26 46.22N 122.17W 0.0 5.1 CA 3.5 km NNE of Mt St Helens, WA
1980/04/03 15:30:20 46.20N 122.18W 0.6 4.3 BA 0.7 km NE of Mt St Helens, WA
1980/04/03 21:51:58 46.21N 122.18W 0.0 4.0 BA 1.7 km NNE of Mt St Helens, WA
1980/04/03 23:57:51 46.21N 122.18W 0.0 5.0 CA 1.6 km NNE of Mt St Helens, WA
1980/04/04 09:42:35 46.21N 122.20W 1.2 4.3 BB 1.9 km NW of Mt St Helens, WA
1980/04/04 09:49:56 46.22N 122.19W 0.9 4.0 AA 2.5 km N of Mt St Helens, WA
1980/04/04 13:45:05 46.20N 122.18W 0.9 4.9 BA 1.4 km NE of Mt St Helens, WA
1980/04/04 21:40:44 46.22N 122.18W 0.5 4.9 BB 2.6 km N of Mt St Helens, WA
1980/04/05 06:39:03 46.20N 122.18W 0.0 4.3 BA 0.9 km NE of Mt St Helens, WA
1980/04/05 08:49:17 46.20N 122.17W 1.2 4.4 BA 1.7 km NE of Mt St Helens, WA
1980/04/05 10:58:49 46.20N 122.19W 0.1 4.1 BA 0.5 km N of Mt St Helens, WA
1980/04/05 13:46:55 46.20N 122.19W 1.8 4.5 BA 1.1 km NW of Mt St Helens, WA
1980/04/05 16:42:05 46.21N 122.19W 2.0 4.7 CA 2.0 km NNW of Mt St Helens, WA
1980/04/06 06:58:04 46.21N 122.18W 0.0 5.1 BA 1.4 km NNE of Mt St Helens, WA
1980/04/06 17:18:46 46.21N 122.17W 0.0 4.0 BC 2.1 km NE of Mt St Helens, WA
1980/04/06 20:26:12 46.20N 122.19W 0.0 4.1 BB 0.3 km NW of Mt St Helens, WA
1980/04/06 23:22:56 46.20N 122.17W 0.1 4.0 BB 1.5 km ENE of Mt St Helens, WA
1980/04/06 23:26:00 46.20N 122.19W 0.0 4.4 BC 0.8 km N of Mt St Helens, WA
1980/04/07 01:57:44 46.20N 122.19W 0.0 4.1 BC 1.0 km NNW of Mt St Helens, WA
1980/04/07 04:52:53 46.18N 122.16W 2.6 4.0 BB 2.4 km SE of Mt St Helens, WA
1980/04/07 06:45:18 46.21N 122.18W 0.0 4.8 BA 1.8 km NNE of Mt St Helens, WA
1980/04/07 09:42:01 46.21N 122.17W 0.0 4.0 BC 2.0 km NE of Mt St Helens, WA
1980/04/07 11:32:31 46.20N 122.17W 0.1 4.0 AC 1.7 km NE of Mt St Helens, WA
1980/04/07 11:51:43 46.20N 122.17W 0.1 4.0 BC 1.3 km NE of Mt St Helens, WA
1980/04/07 15:05:32 46.21N 122.18W 3.4 5.1 CC 2.2 km NNE of Mt St Helens, WA
1980/04/08 02:18:46 46.20N 122.18W 0.0 4.0 AB 0.5 km NNE of Mt St Helens, WA
1980/04/08 04:46:58 46.21N 122.17W 0.0 4.1 BB 1.7 km NE of Mt St Helens, WA
1980/04/08 06:07:04 46.20N 122.18W 0.1 4.8 AB 1.2 km NE of Mt St Helens, WA
1980/04/08 13:42:26 46.20N 122.18W 0.1 4.1 BA 0.8 km ENE of Mt St Helens, WA
1980/04/08 19:29:02 46.20N 122.19W 0.4 5.1 CA 1.3 km NNW of Mt St Helens, WA
1980/04/08 22:10:15 46.22N 122.18W 0.0 4.2 BB 2.9 km N of Mt St Helens, WA
1980/04/08 22:13:49 46.20N 122.19W 0.3 4.4 BB 0.6 km N of Mt St Helens, WA
1980/04/09 09:01:44 46.20N 122.18W 2.1 4.5 BA 0.7 km ENE of Mt St Helens, WA
1980/04/09 10:13:19 46.19N 122.18W 0.0 4.7 CA 0.9 km SE of Mt St Helens, WA
1980/04/09 18:19:26 46.21N 122.17W 0.0 4.7 BC 2.3 km NE of Mt St Helens, WA
1980/04/09 22:29:03 46.20N 122.18W 0.0 4.1 AA 1.1 km NE of Mt St Helens, WA
1980/04/10 00:25:47 46.21N 122.16W 0.0 4.8 BB 2.6 km NE of Mt St Helens, WA
1980/04/10 00:44:15 46.22N 122.18W 0.0 4.9 BB 2.7 km NNE of Mt St Helens, WA
1980/04/10 14:16:15 46.20N 122.18W 0.0 4.7 CA 1.3 km NNE of Mt St Helens, WA
1980/04/10 21:08:26 46.20N 122.17W 0.4 4.2 AA 1.2 km NE of Mt St Helens, WA
1980/04/11 04:45:22 46.21N 122.17W 2.0 4.7 BB 2.5 km NNE of Mt St Helens, WA
1980/04/11 07:42:01 46.20N 122.19W 0.0 4.1 BA 1.0 km NNW of Mt St Helens, WA
1980/04/11 14:52:25 46.20N 122.18W 0.0 4.1 BA 1.2 km NNE of Mt St Helens, WA
1980/04/11 18:01:10 46.20N 122.18W 0.0 4.3 BA 1.0 km NE of Mt St Helens, WA
1980/04/11 19:15:08 46.20N 122.15W 0.0 4.1 BB 3.1 km E of Mt St Helens, WA
1980/04/11 21:56:30 46.20N 122.18W 0.0 4.0 BB 1.4 km NE of Mt St Helens, WA
1980/04/11 23:51:59 46.20N 122.16W 0.0 5.0 BB 2.1 km ENE of Mt St Helens, WA
1980/04/12 05:16:22 46.21N 122.17W 0.1 4.7 BB 2.4 km NNE of Mt St Helens, WA
1980/04/12 15:08:11 46.20N 122.18W 0.0 4.3 BA 0.8 km NE of Mt St Helens, WA
1980/04/12 20:45:33 46.20N 122.19W 0.0 4.0 BA 1.1 km N of Mt St Helens, WA
1980/04/12 20:47:42 46.21N 122.18W 0.0 4.0 BA 1.9 km NNE of Mt St Helens, WA
1980/04/12 22:29:12 46.21N 122.19W 2.0 4.6 BA 2.3 km NNW of Mt St Helens, WA
1980/04/13 01:25:55 46.20N 122.18W 0.1 4.2 BA 0.6 km NNE of Mt St Helens, WA
1980/04/13 03:03:22 46.24N 122.18W 0.0 4.0 CB 3.4 km SW of Spirit Lake, WA
1980/04/13 04:45:26 46.20N 122.18W 0.0 4.0 BA 1.2 km NNE of Mt St Helens, WA
1980/04/13 06:13:18 46.20N 122.18W 0.6 4.2 BA 0.7 km NNE of Mt St Helens, WA
1980/04/13 08:36:18 46.21N 122.18W 1.9 4.8 AA 1.7 km NNE of Mt St Helens, WA
1980/04/13 09:40:46 46.21N 122.18W 0.0 4.0 BB 1.7 km NNE of Mt St Helens, WA
1980/04/13 12:06:20 46.20N 122.19W 0.0 4.1 BA 1.0 km NNW of Mt St Helens, WA
1980/04/13 17:35:41 46.20N 122.19W 0.2 4.5 BA 0.6 km N of Mt St Helens, WA
1980/04/13 18:58:21 46.20N 122.18W 0.0 4.9 BB 1.4 km NNE of Mt St Helens, WA
1980/04/14 03:01:02 46.20N 122.18W 0.9 4.1 AA 0.6 km NNE of Mt St Helens, WA
1980/04/14 06:53:38 46.21N 122.17W 0.4 4.3 BB 2.1 km NNE of Mt St Helens, WA
1980/04/14 06:59:22 46.20N 122.19W 2.0 4.9 BA 1.2 km N of Mt St Helens, WA
1980/04/14 12:28:43 46.21N 122.18W 1.2 4.4 BA 1.5 km NNE of Mt St Helens, WA
1980/04/14 13:49:03 46.20N 122.19W 1.5 5.2 BA 0.7 km NW of Mt St Helens, WA
1980/04/14 15:30:30 46.20N 122.18W 0.0 4.0 BA 1.0 km N of Mt St Helens, WA
1980/04/14 22:28:53 46.21N 122.20W 0.0 4.0 CA 1.9 km NNW of Mt St Helens, WA
1980/04/15 00:37:05 46.20N 122.18W 2.3 4.5 BA 1.3 km NNE of Mt St Helens, WA
1980/04/15 02:26:17 46.19N 122.19W 0.0 4.3 BB 0.4 km WSW of Mt St Helens, WA
1980/04/15 06:58:22 46.21N 122.20W 1.6 4.7 CB 1.5 km NNW of Mt St Helens, WA
1980/04/15 07:15:31 46.20N 122.19W 1.4 4.0 BA 0.3 km NNE of Mt St Helens, WA
1980/04/15 11:53:53 46.20N 122.18W 1.1 4.1 BA 1.0 km NNE of Mt St Helens, WA
1980/04/15 16:12:04 46.20N 122.18W 0.0 4.1 BA 1.0 km NNE of Mt St Helens, WA
1980/04/15 17:54:54 46.21N 122.18W 0.4 5.0 BA 1.8 km NNE of Mt St Helens, WA
1980/04/16 04:58:57 46.20N 122.18W 1.9 4.0 BA 0.9 km NE of Mt St Helens, WA
1980/04/16 11:47:28 46.20N 122.18W 1.7 4.1 BA 0.5 km NNE of Mt St Helens, WA
1980/04/16 15:22:05 46.21N 122.18W 0.0 4.8 BA 1.6 km NNE of Mt St Helens, WA
1980/04/16 15:40:23 46.21N 122.17W 3.3 4.6 BB 2.1 km NE of Mt St Helens, WA
1980/04/16 22:46:24 46.20N 122.18W 0.1 4.2 BA 1.0 km NNE of Mt St Helens, WA
1980/04/17 04:26:15 46.20N 122.18W 0.6 4.7 BA 1.3 km NE of Mt St Helens, WA
1980/04/17 07:06:47 46.19N 122.20W 2.1 4.0 BA 1.0 km SW of Mt St Helens, WA
1980/04/17 17:43:22 46.21N 122.18W 0.6 5.0 BA 1.7 km NNE of Mt St Helens, WA
1980/04/18 00:51:05 46.20N 122.18W 0.0 4.0 BA 1.1 km NNE of Mt St Helens, WA
1980/04/18 00:53:40 46.21N 122.18W 0.0 4.7 BA 1.8 km NNE of Mt St Helens, WA
1980/04/18 09:23:38 46.20N 122.18W 0.6 4.0 BA 0.4 km NE of Mt St Helens, WA
1980/04/18 10:45:22 46.20N 122.18W 1.5 4.0 BA 0.7 km ENE of Mt St Helens, WA
1980/04/18 13:03:55 46.21N 122.17W 0.7 4.2 BB 1.8 km NE of Mt St Helens, WA
1980/04/18 13:08:29 46.20N 122.18W 0.7 4.0 AA 0.8 km NE of Mt St Helens, WA
1980/04/18 19:16:25 46.20N 122.18W 2.0 4.0 BA 0.9 km NE of Mt St Helens, WA
1980/04/18 21:16:02 46.20N 122.18W 0.6 5.0 BA 1.3 km NNE of Mt St Helens, WA
1980/04/18 22:27:14 46.20N 122.17W 1.9 4.6 BA 1.5 km NE of Mt St Helens, WA
1980/04/19 02:37:26 46.20N 122.18W 0.9 4.1 BA 0.8 km NE of Mt St Helens, WA
1980/04/19 06:03:12 46.20N 122.19W 0.5 4.1 BA 0.7 km N of Mt St Helens, WA
1980/04/19 08:07:17 46.20N 122.18W 1.0 4.3 BA 0.8 km NNE of Mt St Helens, WA
1980/04/19 14:53:14 46.20N 122.18W 0.0 4.0 CA 1.2 km NE of Mt St Helens, WA
1980/04/19 17:48:35 46.21N 122.17W 0.0 4.4 BB 2.4 km NE of Mt St Helens, WA
1980/04/19 22:28:28 46.20N 122.18W 1.6 4.8 BA 1.5 km NNE of Mt St Helens, WA
1980/04/20 04:53:02 46.20N 122.18W 0.0 4.1 BA 1.0 km NNE of Mt St Helens, WA
1980/04/20 05:04:50 46.20N 122.19W 1.3 4.0 AA 1.2 km N of Mt St Helens, WA
1980/04/20 08:08:08 46.21N 122.19W 0.0 4.0 CA 2.2 km N of Mt St Helens, WA
1980/04/20 10:25:25 46.20N 122.18W 1.4 4.3 BA 1.5 km NNE of Mt St Helens, WA
1980/04/20 17:53:34 46.20N 122.19W 0.7 4.0 BA 0.4 km N of Mt St Helens, WA
1980/04/20 19:19:32 46.21N 122.17W 1.5 5.1 BA 1.7 km NE of Mt St Helens, WA
1980/04/20 22:03:48 46.21N 122.17W 0.3 4.4 BB 1.9 km NE of Mt St Helens, WA
1980/04/21 03:23:33 46.20N 122.18W 0.6 4.1 BA 0.5 km NNE of Mt St Helens, WA
1980/04/21 05:17:52 46.20N 122.18W 0.0 4.3 BA 1.4 km NE of Mt St Helens, WA
1980/04/21 15:13:54 46.20N 122.17W 0.0 4.8 AB 1.8 km NE of Mt St Helens, WA
1980/04/21 19:52:08 46.21N 122.16W 0.0 4.4 BB 2.4 km NE of Mt St Helens, WA
1980/04/22 03:11:33 46.20N 122.18W 0.5 4.0 BB 0.8 km NE of Mt St Helens, WA
1980/04/22 06:11:55 46.21N 122.18W 1.3 4.4 BA 1.6 km NNE of Mt St Helens, WA
1980/04/22 06:46:20 46.22N 122.19W 0.5 4.0 CA 2.5 km N of Mt St Helens, WA
1980/04/22 10:25:05 46.20N 122.18W 0.8 4.4 BA 1.2 km N of Mt St Helens, WA
1980/04/22 16:36:17 46.20N 122.18W 0.0 4.0 BA 0.8 km NNE of Mt St Helens, WA
1980/04/22 19:28:18 46.20N 122.18W 0.3 5.0 BA 0.9 km ENE of Mt St Helens, WA
1980/04/22 22:04:11 46.20N 122.17W 2.7 4.4 BB 1.9 km ENE of Mt St Helens, WA
1980/04/23 13:08:15 46.20N 122.20W 1.1 4.0 BA 1.2 km NW of Mt St Helens, WA
1980/04/23 15:18:01 46.20N 122.18W 0.0 4.5 BB 1.4 km NE of Mt St Helens, WA
1980/04/24 09:50:09 46.20N 122.17W 0.3 4.4 BA 1.5 km NE of Mt St Helens, WA
1980/04/24 10:50:42 46.21N 122.19W 0.0 4.0 BA 1.6 km N of Mt St Helens, WA
1980/04/24 13:32:07 46.19N 122.17W 2.8 4.1 BA 1.0 km ESE of Mt St Helens, WA
1980/04/24 17:34:10 46.21N 122.18W 1.0 4.8 BA 1.7 km NNE of Mt St Helens, WA
1980/04/24 23:07:53 46.21N 122.18W 0.6 4.2 BA 1.6 km NNE of Mt St Helens, WA
1980/04/25 00:27:57 46.20N 122.20W 0.0 4.0 BB 1.1 km WNW of Mt St Helens, WA
1980/04/25 11:00:21 46.20N 122.18W 0.7 4.1 BA 0.6 km NNE of Mt St Helens, WA
1980/04/26 12:16:55 46.20N 122.18W 0.0 4.0 BA 0.7 km NNE of Mt St Helens, WA
1980/04/26 14:26:00 46.21N 122.17W 0.7 4.0 BA 1.8 km NNE of Mt St Helens, WA
1980/04/26 15:53:59 46.20N 122.18W 0.0 4.1 CA 1.2 km NE of Mt St Helens, WA
1980/04/27 01:15:41 46.20N 122.18W 2.0 4.3 BA 1.0 km NNE of Mt St Helens, WA
1980/04/27 01:59:56 46.20N 122.18W 0.0 4.2 BA 0.8 km NNE of Mt St Helens, WA
1980/04/27 07:15:17 46.20N 122.18W 3.3 4.0 BA 0.7 km NE of Mt St Helens, WA
1980/04/27 07:26:21 46.21N 122.17W 0.0 4.9 BA 1.7 km NE of Mt St Helens, WA
1980/04/27 12:34:37 46.20N 122.18W 0.0 4.0 BA 1.1 km NNE of Mt St Helens, WA
1980/04/27 14:48:20 46.20N 122.17W 0.9 4.2 BA 1.7 km NE of Mt St Helens, WA
1980/04/28 03:49:33 46.20N 122.18W 1.9 4.9 BA 1.1 km N of Mt St Helens, WA
1980/04/28 05:15:53 46.21N 122.18W 0.0 4.4 BA 2.0 km NNE of Mt St Helens, WA
1980/04/28 12:30:54 46.19N 122.18W 0.2 4.0 BA 0.3 km ENE of Mt St Helens, WA
1980/04/28 12:39:38 46.20N 122.18W 0.0 4.1 AC 1.2 km N of Mt St Helens, WA
1980/04/28 15:09:07 46.20N 122.18W 0.8 4.1 BA 0.9 km ENE of Mt St Helens, WA
1980/04/28 23:52:35 46.20N 122.18W 0.4 4.1 BB 1.2 km NE of Mt St Helens, WA
1980/04/29 04:24:30 46.21N 122.17W 1.1 4.8 AB 2.0 km NNE of Mt St Helens, WA
1980/04/29 06:22:38 46.21N 122.18W 0.0 4.6 BA 2.1 km NNE of Mt St Helens, WA
1980/04/29 12:41:36 46.20N 122.17W 0.6 4.2 AA 1.6 km NE of Mt St Helens, WA
1980/04/30 00:34:10 46.19N 122.16W 0.0 4.2 BB 2.5 km ESE of Mt St Helens, WA
1980/04/30 05:09:02 46.20N 122.17W 0.6 4.9 AB 2.1 km NE of Mt St Helens, WA
1980/04/30 07:42:09 46.20N 122.18W 1.2 4.5 BA 1.5 km NNE of Mt St Helens, WA
1980/04/30 07:54:58 46.20N 122.17W 0.1 4.0 BB 1.7 km ENE of Mt St Helens, WA
1980/04/30 20:50:38 46.20N 122.18W 0.6 4.0 AA 0.6 km NE of Mt St Helens, WA
1980/05/01 04:46:15 46.20N 122.17W 0.0 4.6 BA 1.3 km NE of Mt St Helens, WA
1980/05/01 06:18:32 46.20N 122.18W 0.6 4.1 BA 0.6 km NNE of Mt St Helens, WA
1980/05/01 10:59:03 46.19N 122.19W 1.9 4.0 BA 0.8 km SSW of Mt St Helens, WA
1980/05/01 19:27:15 46.18N 122.19W 0.0 4.6 BA 1.2 km SSW of Mt St Helens, WA
1980/05/01 21:31:09 46.20N 122.17W 0.0 4.1 CB 1.8 km NE of Mt St Helens, WA
1980/05/02 05:12:18 46.20N 122.18W 2.2 4.4 BA 1.3 km NNE of Mt St Helens, WA
1980/05/02 08:36:31 46.20N 122.19W 0.0 4.1 BB 0.6 km NW of Mt St Helens, WA
1980/05/02 12:52:17 46.20N 122.17W 6.7 4.3 BC 1.5 km NE of Mt St Helens, WA
1980/05/02 13:02:29 46.21N 122.19W 0.0 4.8 BA 1.9 km N of Mt St Helens, WA
1980/05/03 05:00:46 46.20N 122.17W 0.1 4.5 BC 1.1 km ENE of Mt St Helens, WA
1980/05/03 05:05:30 46.21N 122.19W 0.0 4.4 BB 1.3 km N of Mt St Helens, WA
1980/05/03 06:47:50 46.19N 122.18W 0.4 4.1 BC 0.4 km ENE of Mt St Helens, WA
1980/05/03 15:40:57 46.20N 122.20W 0.5 4.2 BB 1.2 km NNW of Mt St Helens, WA
1980/05/03 20:45:37 46.19N 122.17W 0.0 4.2 CA 1.5 km E of Mt St Helens, WA
1980/05/04 11:58:27 46.21N 122.18W 1.5 4.9 BA 2.1 km NNE of Mt St Helens, WA
1980/05/04 21:39:22 46.20N 122.18W 1.0 4.0 BA 0.3 km NE of Mt St Helens, WA
1980/05/05 01:53:30 46.20N 122.19W 0.0 4.0 BA 0.9 km N of Mt St Helens, WA
1980/05/05 05:43:04 46.20N 122.17W 1.3 4.7 BA 1.6 km NE of Mt St Helens, WA
1980/05/05 07:27:30 46.19N 122.18W 0.0 4.0 CA 0.8 km ESE of Mt St Helens, WA
1980/05/05 09:12:54 46.21N 122.17W 1.6 4.3 BA 1.7 km NNE of Mt St Helens, WA
1980/05/05 13:19:08 46.21N 122.19W 4.4 4.0 BA 1.4 km N of Mt St Helens, WA
1980/05/05 16:13:51 46.21N 122.17W 0.3 4.0 BA 2.0 km NE of Mt St Helens, WA
1980/05/06 00:03:31 46.20N 122.18W 0.0 4.3 AA 1.5 km NE of Mt St Helens, WA
1980/05/06 08:15:01 46.20N 122.19W 0.0 4.0 BA 1.0 km NNW of Mt St Helens, WA
1980/05/06 17:04:49 46.21N 122.17W 1.9 4.6 BA 1.9 km NE of Mt St Helens, WA
1980/05/06 17:53:13 46.22N 122.24W 0.1 4.0 DA 5.0 km WNW of Mt St Helens, WA
1980/05/06 19:22:28 46.21N 122.17W 1.5 4.4 BA 1.8 km NE of Mt St Helens, WA
1980/05/07 03:44:42 46.20N 122.18W 0.6 4.2 BA 0.7 km NNE of Mt St Helens, WA
1980/05/07 08:52:32 46.20N 122.18W 0.0 4.0 BA 0.9 km NNE of Mt St Helens, WA
1980/05/07 11:09:17 46.21N 122.19W 1.7 4.7 BA 2.0 km N of Mt St Helens, WA
1980/05/07 12:33:20 46.20N 122.18W 0.8 4.0 BA 1.1 km NE of Mt St Helens, WA
1980/05/08 01:19:58 46.20N 122.18W 0.3 4.2 BA 0.4 km ENE of Mt St Helens, WA
1980/05/08 07:46:50 46.20N 122.19W 2.0 4.4 BA 1.0 km N of Mt St Helens, WA
1980/05/08 07:48:46 46.20N 122.17W 1.0 4.7 BA 1.7 km NE of Mt St Helens, WA
1980/05/08 08:47:55 46.20N 122.19W 0.1 4.0 BA 0.5 km N of Mt St Helens, WA
1980/05/08 09:03:39 46.21N 122.17W 1.2 4.6 BA 2.0 km NNE of Mt St Helens, WA
1980/05/08 10:05:38 46.20N 122.19W 0.0 4.3 BB 0.9 km N of Mt St Helens, WA
1980/05/09 00:55:02 46.20N 122.18W 1.2 4.0 BA 0.4 km NE of Mt St Helens, WA
1980/05/09 04:31:58 46.20N 122.17W 0.8 4.0 BA 1.1 km ENE of Mt St Helens, WA
1980/05/09 07:01:01 46.21N 122.17W 0.0 4.7 BA 2.4 km NE of Mt St Helens, WA
1980/05/09 14:10:37 46.20N 122.18W 1.7 4.0 BA 1.2 km NE of Mt St Helens, WA
1980/05/09 18:06:26 46.21N 122.17W 1.3 4.6 BA 2.2 km NE of Mt St Helens, WA
1980/05/09 21:29:35 46.20N 122.18W 0.0 4.0 CA 0.9 km ENE of Mt St Helens, WA
1980/05/10 01:14:10 46.20N 122.18W 1.0 4.0 AA 0.7 km NNE of Mt St Helens, WA
1980/05/10 05:50:03 46.20N 122.19W 1.1 4.1 BA 0.8 km N of Mt St Helens, WA
1980/05/10 09:25:55 46.18N 122.11W 0.0 4.1 DB 5.9 km ESE of Mt St Helens, WA
1980/05/10 11:15:54 46.20N 122.18W 0.7 4.0 BA 1.1 km NE of Mt St Helens, WA
1980/05/10 12:31:47 46.21N 122.17W 1.6 4.5 BB 2.0 km NNE of Mt St Helens, WA
1980/05/10 17:35:20 46.20N 122.19W 2.4 4.3 BA 0.9 km N of Mt St Helens, WA
1980/05/11 01:19:29 46.20N 122.18W 3.0 4.1 CA 0.5 km NNE of Mt St Helens, WA
1980/05/11 04:00:17 46.21N 122.17W 2.0 4.6 BA 1.7 km NE of Mt St Helens, WA
1980/05/11 08:09:48 46.20N 122.18W 1.8 4.1 BA 0.8 km NE of Mt St Helens, WA
1980/05/11 13:29:53 46.21N 122.18W 1.9 4.4 BA 1.6 km NNE of Mt St Helens, WA
1980/05/11 15:00:52 46.19N 122.16W 1.3 4.0 BA 2.0 km E of Mt St Helens, WA
1980/05/11 22:46:24 46.20N 122.19W 1.1 4.3 BA 0.9 km N of Mt St Helens, WA
1980/05/12 12:11:25 46.20N 122.19W 0.0 4.2 BA 1.0 km NNW of Mt St Helens, WA
1980/05/12 16:26:29 46.20N 122.17W 1.6 4.3 BA 1.6 km NE of Mt St Helens, WA
1980/05/12 16:46:50 46.20N 122.18W 1.9 4.3 BA 0.9 km ENE of Mt St Helens, WA
1980/05/12 17:24:11 46.20N 122.19W 0.0 4.1 CA 0.9 km N of Mt St Helens, WA
1980/05/12 18:42:09 46.21N 122.17W 0.0 4.0 BA 2.2 km NE of Mt St Helens, WA
1980/05/12 20:33:39 46.21N 122.17W 0.9 4.8 AA 1.9 km NE of Mt St Helens, WA
1980/05/13 01:30:50 46.21N 122.17W 0.0 4.4 BA 2.5 km NE of Mt St Helens, WA
1980/05/13 11:12:12 46.18N 122.19W 5.2 4.1 BA 1.7 km S of Mt St Helens, WA
1980/05/14 02:18:57 46.21N 122.17W 1.5 4.6 BA 2.0 km NE of Mt St Helens, WA
1980/05/14 09:43:51 46.20N 122.18W 2.0 4.2 CA 0.7 km NE of Mt St Helens, WA
1980/05/14 14:08:16 46.21N 122.17W 1.5 4.1 BA 2.1 km NE of Mt St Helens, WA
1980/05/14 18:48:01 46.19N 122.17W 0.0 4.1 CA 1.1 km ESE of Mt St Helens, WA
1980/05/14 23:45:58 46.20N 122.18W 0.5 4.0 BA 0.9 km ENE of Mt St Helens, WA
1980/05/15 06:48:24 46.19N 122.18W 1.4 4.1 BA 0.7 km E of Mt St Helens, WA
1980/05/15 17:29:16 46.20N 122.16W 1.3 4.0 BA 2.1 km ENE of Mt St Helens, WA
1980/05/16 03:31:04 46.19N 122.18W 1.0 4.3 BA 0.7 km E of Mt St Helens, WA
1980/05/16 12:34:54 46.21N 122.19W 1.3 4.7 BA 1.6 km NNW of Mt St Helens, WA
1980/05/16 13:27:13 46.20N 122.18W 1.4 4.1 BA 0.6 km ENE of Mt St Helens, WA
1980/05/16 14:22:00 46.20N 122.17W 1.4 4.3 BA 1.4 km NE of Mt St Helens, WA
1980/05/16 16:17:44 46.19N 122.19W 0.8 4.1 BA 0.3 km WSW of Mt St Helens, WA
1980/05/17 08:31:53 46.19N 122.20W 3.5 4.2 BA 1.1 km W of Mt St Helens, WA
1980/05/17 21:42:07 46.20N 122.17W 3.0 4.3 BA 1.6 km NE of Mt St Helens, WA
1980/05/18 01:50:52 46.19N 122.18W 2.8 4.1 BA 0.6 km E of Mt St Helens, WA
1980/05/18 14:36:10 46.20N 122.18W 2.8 4.1 BA 1.0 km NE of Mt St Helens, WA
1980/05/18 15:32:11 46.20N 122.18W 2.8 5.7 BA FELT 1.0 km NNE of Mt St Helens, WA
1980/05/18 20:24:05 46.16N 122.16W 0.3 4.1 CB 4.2 km SSE of Mt St Helens, WA
1980/05/18 21:07:11 46.20N 122.21W 6.0 4.3 BB 1.5 km WNW of Mt St Helens, WA
1980/05/18 21:10:06 46.20N 122.19W 3.2 4.0 BC 0.5 km NNW of Mt St Helens, WA
1980/05/18 21:52:14 46.20N 122.18W 3.3 4.1 AC 0.8 km NNE of Mt St Helens, WA
1980/05/18 21:54:40 46.20N 122.17W 2.5 4.0 BC 1.3 km ENE of Mt St Helens, WA
1980/05/18 21:59:00 46.20N 122.19W 2.7 4.0 AC 0.5 km N of Mt St Helens, WA
1980/05/18 22:18:08 46.19N 122.17W 1.7 4.1 CC 1.1 km E of Mt St Helens, WA
1980/05/18 22:27:12 46.18N 122.19W 6.5 4.1 AB 1.1 km SSW of Mt St Helens, WA
1980/05/18 22:35:49 46.20N 122.20W 10.9 4.2 BB 1.6 km NW of Mt St Helens, WA
1980/05/18 22:37:08 46.20N 122.18W 2.2 4.0 BC 0.7 km NE of Mt St Helens, WA
1980/05/18 22:38:34 46.19N 122.18W 1.9 4.1 BC 0.4 km SSE of Mt St Helens, WA
1980/05/18 22:48:08 46.16N 122.19W 12.9 4.2 CB 3.8 km S of Mt St Helens, WA
1980/05/18 22:49:04 46.19N 122.19W 2.3 4.2 CC 0.1 km NE of Mt St Helens, WA
1980/05/18 22:50:54 46.18N 122.21W 5.4 4.3 BB 2.4 km SW of Mt St Helens, WA
1980/05/18 22:54:01 46.22N 122.18W 0.0 4.5 DC 3.3 km NNE of Mt St Helens, WA
1980/05/18 22:59:04 46.20N 122.19W 3.2 4.2 AC 0.2 km N of Mt St Helens, WA
1980/05/18 23:00:49 46.20N 122.19W 6.8 4.0 BB 1.0 km N of Mt St Helens, WA
1980/05/18 23:03:17 46.20N 122.17W 1.6 4.0 BC 1.2 km ENE of Mt St Helens, WA
1980/05/18 23:07:21 46.12N 122.15W 0.0 4.3 BD 8.6 km SSE of Mt St Helens, WA
1980/05/18 23:09:41 46.14N 122.17W 27.0 4.1 DC 5.7 km SSE of Mt St Helens, WA
1980/05/18 23:14:19 46.21N 122.18W 3.7 4.1 CC 1.5 km NNE of Mt St Helens, WA
1980/05/19 00:18:02 46.20N 122.18W 1.7 4.0 BC 0.8 km NNE of Mt St Helens, WA
1980/05/21 16:02:31 46.19N 122.20W 14.3 4.3 AA 1.1 km WSW of Mt St Helens, WA
1980/05/24 23:01:23 46.33N 122.21W 2.5 4.1 BC 1.5 km E of Elk Lake, WA
1980/05/28 14:15:31 46.33N 122.21W 1.9 4.1 CC FELT 1.5 km ENE of Elk Lake, WA
1980/05/28 14:18:30 46.33N 122.20W 4.0 4.0 BC FELT 2.0 km E of Elk Lake, WA
1980/06/08 22:40:10 47.96N 123.01W 48.5 4.2 BA FELT 35.8 km ESE of Port Angeles, WA
1981/02/02 01:23:18 46.26N 120.98W 2.0 4.0 CC FELT 38.8 km E of Mt Adams, WA
1981/02/14 06:09:27 46.34N 122.23W 7.3 5.2 BB FELT 1.8 km N of Elk Lake, WA
1981/02/18 06:09:38 47.19N 120.89W 3.4 4.2 BC FELT 34.7 km NW of Ellensburg, WA
1981/05/13 05:00:36 46.36N 122.24W 10.9 4.5 BA FELT 3.5 km NNW of Elk Lake, WA
1981/05/28 08:56:02 46.53N 121.39W 3.0 4.6 BC FELT 4.2 km ENE of Goat Rocks, WA
1981/05/28 09:10:45 46.52N 121.39W 3.2 5.0 BC FELT 4.4 km ENE of Goat Rocks, WA
1982/03/01 17:40:04 46.34N 122.24W 11.5 4.4 AA FELT 1.8 km NW of Elk Lake, WA
1983/10/31 21:47:58 47.33N 123.24W 43.4 4.3 BA FELT 41.3 km NNE of Satsop, WA
1984/04/11 03:07:42 47.53N 120.18W 8.0 4.3 BA FELT 14.4 km SSE of Entiat, WA
1987/12/02 07:12:57 46.67N 120.68W 18.2 4.1 BA FELT 15.8 km NW of Yakima, Wa
1987/12/02 09:02:24 46.67N 120.67W 17.8 4.3 CA FELT 15.4 km NW of Yakima, Wa
1988/07/29 04:59:47 46.85N 121.91W 11.8 4.1 AA FELT 11.7 km W of Mt Rainier, WA
1988/08/11 08:00:49 42.12N 125.32W 0.0 4.0 DD 102.2 km WNW of Crescent City, CA
1989/02/14 21:41:10 48.42N 122.22W 0.0 4.0 BB FELT 8.1 km S of Sedro Woolley, WA
1989/03/05 06:42:00 47.81N 123.35W 46.2 4.5 CA FELT 26.4 km E of Mt Olympus, WA
1989/03/06 03:09:53 48.42N 122.23W 0.1 4.2 BB FELT 7.8 km S of Sedro Woolley, WA
1989/05/09 18:28:45 48.23N 119.85W 15.6 4.5 CC FELT 25.5 km SW of Okanogan, WA
1989/06/18 20:38:37 47.40N 122.77W 44.8 4.4 CA FELT 20.6 km SSW of Bremerton, WA
1989/12/24 08:45:58 46.65N 122.11W 18.5 4.9 BA FELT 15.9 km NE of Morton, WA
1990/04/02 11:13:22 48.83N 122.18W 0.8 4.3 CC FELT 2.3 km ENE of Deming, WA
1990/04/03 02:18:20 48.83N 122.17W 1.7 4.0 CC FELT 3.3 km ENE of Deming, WA
1990/04/14 05:33:26 48.84N 122.16W 12.6 5.0 BB FELT 4.7 km ENE of Deming, WA
1990/04/14 05:40:07 48.82N 122.18W 3.6 4.0 CC FELT 2.1 km E of Deming, WA
1991/02/19 23:04:56 49.70N 122.73W 3.5 4.0 CC 24.2 km SE of Mt Garibaldi, BC
1991/07/29 04:07:01 42.09N 125.65W 5.0 4.2 CD 126.5 km WNW of Crescent City, CA
1991/11/28 01:08:58 45.98N 118.31W 9.5 4.3 BC FELT 9.0 km S of Walla Walla, Wa
1992/07/14 20:01:51 45.99N 118.30W 11.6 4.1 CD FELT 8.8 km S of Walla Walla, Wa
1993/03/25 13:34:35 45.03N 122.60W 20.6 5.6 CB FELT 23.0 km ESE of Woodburn, OR
1993/09/21 03:28:55 42.31N 122.02W 10.3 5.9 AD FELT 22.7 km WNW of Klamath Falls, OR
1993/09/21 05:45:35 42.35N 122.05W 10.3 6.0 AD FELT 23.6 km ESE of Mt McLoughlin, OR
1993/09/21 06:14:43 42.38N 122.05W 0.0 4.3 AD 22.7 km ESE of Mt McLoughlin, OR
1993/09/23 06:21:10 42.30N 122.05W 7.2 4.1 BB 23.9 km WNW of Klamath Falls, OR
1993/12/04 22:15:19 42.29N 122.00W 6.5 5.1 AB FELT 20.2 km WNW of Klamath Falls, OR
1993/12/25 12:33:29 42.28N 121.94W 0.1 4.0 BC FELT 15.2 km WNW of Klamath Falls, OR
1993/12/31 18:08:44 42.28N 121.93W 0.0 4.1 BC FELT 14.4 km WNW of Klamath Falls, OR
1994/01/07 09:39:37 42.27N 121.92W 1.6 4.0 BC 12.6 km WNW of Klamath Falls, OR
1994/01/09 19:03:13 42.26N 121.92W 2.8 4.3 AC 12.3 km WNW of Klamath Falls, OR
1994/01/19 22:27:31 42.28N 121.94W 1.0 4.3 AC 15.4 km WNW of Klamath Falls, OR
1994/06/15 08:22:19 47.40N 123.16W 44.9 4.0 CA FELT 43.8 km WSW of Bremerton, WA
1994/06/18 07:01:07 47.62N 121.26W 0.0 4.3 CC FELT 11.8 km SE of Skykomish, WA
1995/01/29 03:11:22 47.38N 122.36W 15.8 5.0 BB FELT 17.5 km NNE of Tacoma, WA
1995/05/20 12:48:48 46.88N 121.94W 13.4 4.1 AA FELT 14.1 km WNW of Mt Rainier, WA
1996/05/03 04:04:22 47.76N 121.87W 4.3 5.4 BB FELT 8.5 km ENE of Duvall, WA
1997/01/12 06:01:06 49.68N 120.39W 10.0 4.1 CD 62.2 km WNW of Penticton, BC
1997/06/23 19:13:27 47.59N 122.57W 13.5 4.9 BB FELT 5.7 km NE of Bremerton, WA
1997/06/24 14:23:13 48.36N 119.88W 11.2 4.6 BC FELT 23.0 km W of Okanogan, WA
1997/06/24 14:40:58 49.25N 123.63W 15.7 4.6 BB FELT 44.1 km WNW of Vancouver,BC
1998/03/03 04:19:02 49.16N 118.36W 0.6 4.0 DD FELT 76.4 km NNW of Colville, WA
1998/10/09 16:43:08 46.20N 120.70W 3.2 4.0 CC 46.0 km SSW of Yakima, Wa
1999/07/03 01:43:54 47.07N 123.46W 40.7 5.8 BA FELT 8.0 km N of Satsop, WA
1999/12/25 06:49:58 48.70N 125.91W 10.0 4.0 DC 49.0 km S of Tofino, BC
2000/01/30 19:10:23 45.19N 120.12W 0.0 4.1 CC FELT 6.5 km SE of Condon, OR
2001/01/23 14:43:51 49.02N 125.57W 10.0 4.3 DD 28.8 km ESE of Tofino, BC
2001/02/28 18:54:32 47.14N 122.72W 51.9 6.8 BA FELT 17.0 km NE of Olympia, WA
2001/06/10 13:19:11 47.16N 123.50W 40.7 5.0 BA FELT 18.3 km N of Satsop, WA
2001/07/22 15:13:52 47.08N 122.68W 52.4 4.3 BA FELT 16.3 km ENE of Olympia, WA
2001/11/11 16:00:29 47.68N 117.40W 4.7 4.0 BC FELT 2.0 km NNE of Spokane, WA (Mission & N Division)
2002/05/15 17:54:48 42.23N 121.90W 8.1 4.3 BB FELT 10.0 km W of Klamath Falls, OR
2002/06/29 14:36:04 45.33N 121.68W 6.2 4.5 BB FELT 4.5 km S of Mt Hood, OR
2002/09/21 00:55:20 48.48N 123.12W 23.4 4.1 CA FELT 10.6 km WSW of Friday Harbor, WA
2003/04/25 10:02:12 47.67N 123.25W 51.3 4.8 BA FELT 37.3 km ESE of Mt Olympus, WA
2004/06/30 12:21:45 42.07N 120.23W 10.9 4.4 BB FELT 15.4 km SE of Lakeview, OR
2004/07/12 16:45:00 44.33N 124.48W 29.2 4.9 BD FELT 48.4 km SW of Newport, OR
2004/07/22 20:26:26 42.09N 120.24W 1.1 4.3 AC FELT 14.3 km SE of Lakeview, OR
2004/08/16 21:05:53 46.67N 121.47W 0.3 4.0 CB FELT 17.5 km N of Goat Rocks, WA
2004/08/19 06:06:03 44.66N 124.30W 27.9 4.7 BD FELT 19.9 km W of Newport, OR
2005/11/23 20:53:15 48.85N 122.13W 0.0 4.0 CC 6.6 km ENE of Deming, WA
2006/10/08 02:48:26 46.84N 121.60W 3.8 4.5 CC FELT 12.2 km E of Mt Rainier, WA
2007/11/27 06:18:28 47.74N 122.92W 52.8 4.0 BA FELT 20.8 km W of Poulsbo, WA
2008/07/14 18:45:55 45.12N 120.95W 17.4 4.2 CA FELT 11.5 km ESE of Maupin, OR
2009/01/30 13:25:03 47.78N 122.56W 63.0 4.5 CA FELT 8.1 km NE of Poulsbo, WA
2009/02/26 09:52:47 42.54N 123.89W 39.0 4.1 CB FELT 48.2 km WNW of Grants Pass, OR
2010/06/17 14:23:24 46.10N 120.74W 3.3 4.2 BC FELT 56.9 km SSW of Yakima, Wa
2010/11/16 15:51:08 46.55N 122.43W 14.9 4.2 BA FELT 12.0 km W of Morton, WA
2011/02/14 18:35:25 46.28N 122.21W 5.6 4.3 BA FELT 4.5 km WNW of Spirit Lake, WA
2011/11/18 13:09:00 48.46N 119.60W 11.9 4.6 BB FELT 11.6 km N of Okanogan, WA
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