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Historic Earthquakes
> Recent Notable Earthquakes
NOTABLE PACIFIC NORTHWEST EARTHQUAKES 1993 - 2011 (Most Recent First)
From legacy PNSN Web pages
Tuesday March 20, 2012 at 02:28:38.41 AM (PDT) -- Magnitude 3.1, SW of Newport, OR
Friday November 18, 2011 at 05:09:0.98 AM (PST) -- Magnitude 4.6, N of Okanogan, WA
Friday October 14, 2011 at 11:11:29.18 PM (PDT) -- Magnitude 3.4, N of Richland, WA
Friday October 14, 2011 at 03:25:16.53 PM (PDT) -- Magnitude 3.4, SW of Mt Rainier, WA
Thursday September 22, 2011 at 01:22:6.88 PM (PDT) -- Magnitude 3.2, NW of Maple Valley, WA
Saturday September 3, 2011 at 09:13:39.54 PM (PDT) -- Magnitude 3.7, N of Richland, WA
Thursday August 18, 2011 at 11:54:59.30 PM (PDT) -- Magnitude 3.3, W of Darrington, WA
Sunday July 24, 2011 at 05:19:28.74 AM (PDT) -- Magnitude 3.7, W of Poulsbo, WA
Sunday July 24, 2011 at 05:19:28.78 AM (PDT) -- Magnitude 3.0, W of Poulsbo, WA
Saturday July 23, 2011 at 01:03:40.58 AM (PDT) -- Magnitude 3.4, E of Carnation, Wa
Friday July 15, 2011 at 08:54:0.98 PM (PDT) -- Magnitude 3.2, W of Darrington, WA
Tuesday June 14, 2011 at 06:52:58.12 PM (PDT) -- Magnitude 3.0, NW of Kirkland, Wa
Saturday April 30, 2011 at 09:13:55.45 PM (PDT) -- Magnitude 3.3, N of Richland, WA
Wednesday April 6, 2011 at 10:45:0.62 AM (PDT) -- Magnitude 3.4, SSE of Mt Rainier, WA
Monday February 14, 2011 at 10:35:25.73 AM (PST) -- Magnitude 4.3, WNW of Spirit Lake, WA
Tuesday February 8, 2011 at 08:36:36.53 AM (PST) -- Magnitude 3.2, WNW of Friday Harbor, WA
Friday January 7, 2011 at 02:35:40.50 PM (PST) -- Magnitude 3.0, SSE of Monroe, WA
Thursday December 30, 2010 at 01:17:46.26 AM (PST) -- Magnitude 3.6, ESE of Maupin, OR
Monday November 22, 2010 at 03:56:28.31 PM (PST) -- Magnitude 3.1, SSE of Friday Harbor, WA
Tuesday November 16, 2010 at 07:51:8.79 AM (PST) -- Magnitude 4.2, W of Morton, WA
Saturday July 3, 2010 at 03:25:19.40 PM (PDT) -- Magnitude 3.1, W of Grants Pass, OR
Thursday June 17, 2010 at 07:23:24.47 AM (PDT) -- Magnitude 4.2, SSW of Yakima, Wa
Tuesday May 25, 2010 at 05:21:0.62 AM (PDT) -- Magnitude 3.4, NW of Carnation, Wa
Friday May 14, 2010 at 12:03:4.09 PM (PDT) -- Magnitude 3.0, WSW of Mt Hood, OR
Monday March 29, 2010 at 02:27:12.12 PM (PDT) -- Magnitude 3.8, W of Ellensburg, WA
Thursday March 25, 2010 at 03:31:7.14 PM (PDT) -- Magnitude 3.2, NNW of Moses Lake, WA
Thursday March 25, 2010 at 03:31:7.29 PM (PDT) -- Magnitude 3.0, NNW of Moses Lake, WA
Saturday January 2, 2010 at 08:36:45.91 AM (PST) -- Magnitude 3.6, ESE of Maupin, OR
Saturday January 2, 2010 at 08:36:45.98 AM (PST) -- Magnitude 3.6, ESE of Maupin, OR
Saturday January 2, 2010 at 08:36:45.76 AM (PST) -- Magnitude 3.2, ESE of Maupin, OR
Wednesday September 30, 2009 at 08:10:6.95 PM (PDT) -- Magnitude 3.4, NE of Satsop, WA
Sunday September 20, 2009 at 09:45:27.80 AM (PDT) -- Magnitude 2.3, NE of Mt Rainier, WA
Thursday July 2, 2009 at 03:40:10.55 PM (PDT) -- Magnitude 3.2, NNE of Poulsbo, WA
Wednesday July 1, 2009 at 05:09:17.95 AM (PDT) -- Magnitude 3.7, SW of Mount Vernon, WA
Monday May 4, 2009 at 03:47:42.59 AM (PDT) -- Magnitude 3.0, N of Richland, WA
Monday April 20, 2009 at 02:41:52.38 PM (PDT) -- Magnitude 3.6, ESE of Maupin, OR
Monday March 30, 2009 at 00:06:10.38 AM (PDT) -- Magnitude 3.6, SE of Mt Olympus, WA
Friday March 20, 2009 at 03:44:50.77 PM (PDT) -- Magnitude 3.0, ESE of Maupin, OR
Thursday February 26, 2009 at 01:52:47.71 AM (PST) -- Magnitude 4.1, WNW of Grants Pass, OR
Thursday February 26, 2009 at 01:52:47.75 AM (PST) -- Magnitude 3.2, WNW of Grants Pass, OR
Saturday January 3, 2009 at 05:32:4.78 PM (PST) -- Magnitude 1.9, N of Richland, WA
Friday January 30, 2009 at 05:25:3.99 AM (PST) -- Magnitude 4.5, ENE of Poulsbo, WA
Saturday December 27, 2008 at 03:32:35.74 PM (PST) -- Magnitude 3.6, ESE of Maupin, OR
Sunday November 16, 2008 at 07:54:30.65 AM (PST) -- Magnitude 3.4, ESE of Maupin, OR
Saturday October 18, 2008 at 10:22:21.08 PM (PDT) -- Magnitude 3.5, ESE of Maupin, OR
Wednesday July 30, 2008 at 10:02:43.19 PM (PDT) -- Magnitude 3.6, SW of Mount Vernon, WA
Wednesday July 23, 2008 at 08:36:42.42 AM (PDT) -- Magnitude 3.3, SW of Centralia, WA
Monday July 14, 2008 at 11:45:55.08 AM (PDT) -- Magnitude 4.2, ESE of Maupin, OR
Friday June 20, 2008 at 01:46:8.61 AM (PDT) -- Magnitude 3.2, ESE of Maupin, OR
Sunday June 1, 2008 at 09:46:28.17 AM (PDT) -- Magnitude 3.4, ESE of Maupin, OR
Sunday May 18, 2008 at 03:19:55.00 PM (PDT) -- Magnitude 3.7, ESE of Prosser, Wa
Monday April 28, 2008 at 00:39:7.56 AM (PDT) -- Magnitude 3.1, ESE of Maupin, OR
Monday April 21, 2008 at 11:40:40.06 AM (PDT) -- Magnitude 3.4, S of Darrington, WA
Saturday April 5, 2008 at 04:38:53.23 PM (PDT) -- Magnitude 3.6, ESE of Maupin, OR
Thursday March 20, 2008 at 01:03:58.77 PM (PDT) -- Magnitude 3.1, ESE of Maupin, OR
Monday March 17, 2008 at 04:58:48.26 PM (PDT) -- Magnitude 3.3, E of Glacier Peak, WA
Sunday February 3, 2008 at 06:15:53.57 PM (PST) -- Magnitude 3.3, ESE of Maupin, OR
Monday November 26, 2007 at 10:18:28.88 PM (PST) -- Magnitude 4.0, W of Poulsbo, WA
Wednesday November 21, 2007 at 07:02:6.63 AM (PST) -- Magnitude 3.3, ESE of Maupin, OR
Monday November 12, 2007 at 08:05:14.76 AM (PST) -- Magnitude 3.1, SE of Diablo, WA
Sunday September 23, 2007 at 11:20:54.38 PM (PDT) -- Magnitude 3.6, WSW of Woodburn, OR
Wednesday September 12, 2007 at 09:21:35.44 PM (PDT) -- Magnitude 3.0, SE of Friday Harbor, WA
Wednesday July 11, 2007 at 08:53:21.01 PM (PDT) -- Magnitude 3.3, WSW of Canby, OR
Thursday June 14, 2007 at 02:57:56.94 PM (PDT) -- Magnitude 3.9, ESE of Maupin, OR
Wednesday May 2, 2007 at 04:16:16.36 AM (PDT) -- Magnitude 3.3, ESE of Maupin, OR
Sunday April 8, 2007 at 02:40:41.22 AM (PDT) -- Magnitude 3.0, ESE of Maupin, OR
Friday March 30, 2007 at 01:00:30.27 PM (PDT) -- Magnitude 3.0, SSE of Bellingham, WA
Thursday March 22, 2007 at 07:08:9.54 AM (PDT) -- Magnitude 2.9, SSW of Bremerton, WA
Thursday March 1, 2007 at 02:23:44.47 AM (PST) -- Magnitude 3.1, SE of Diablo, WA
Thursday March 1, 2007 at 02:07:31.97 AM (PST) -- Magnitude 3.6, ESE of Maupin, OR
Friday January 26, 2007 at 01:23:49.30 AM (PST) -- Magnitude 3.2, WNW of Poulsbo, WA
Saturday January 20, 2007 at 00:12:41.16 AM (PST) -- Magnitude 3.0, ESE of Maupin, OR
Wednesday December 20, 2006 at 01:43:26.16 AM (PST) -- Magnitude 3.3, WNW of Walla Walla, Wa
Sunday November 5, 2006 at 09:34:35.69 PM (PST) -- Magnitude 2.6, SW of Portland, OR
Saturday October 7, 2006 at 07:48:26.57 PM (PDT) -- Magnitude 4.5, E of Mt Rainier, WA
Monday August 21, 2006 at 06:06:9.60 PM (PDT) -- Magnitude 3.0, ENE of Moses Lake, WA
Thursday August 3, 2006 at 01:39:18.70 AM (PDT) -- Magnitude 3.8, N of Portland, OR
Monday July 24, 2006 at 11:13:37.88 PM (PDT) -- Magnitude 3.1, SSE of Entiat, WA
Tuesday July 4, 2006 at 01:37:3.15 PM (PDT) -- Magnitude 3.6, SE of Victoria, BC
Wednesday April 26, 2006 at 07:24:6.80 AM (PDT) -- Magnitude 3.0, ESE of Woodburn, OR
Saturday March 4, 2006 at 09:38:47.12 AM (PST) -- Magnitude 3.2, ENE of Newport, OR
Thursday February 2, 2006 at 05:47:46.73 PM (PST) -- Magnitude 3.3, WSW of Everett, WA
Sunday January 15, 2006 at 04:29:46.49 AM (PST) -- Magnitude 3.3, NW of Victoria, BC
Wednesday November 23, 2005 at 12:53:15.30 PM (PST) -- Magnitude 4.0, ENE of Deming, WA
Friday August 12, 2005 at 01:53:49.61 PM (PDT) -- Magnitude 3.1, S of Adel, OR
Wednesday June 29, 2005 at 07:37:14.06 AM (PDT) -- Magnitude 3.5, NW of Yakima, Wa
Saturday June 25, 2005 at 06:49:11.14 AM (PDT) -- Magnitude 2.7, SW of Portland, OR
Wednesday April 6, 2005 at 03:57:40.51 PM (PDT) -- Magnitude 2.8, WSW of Mt Hood, OR
Saturday March 12, 2005 at 07:37:47.26 PM (PST) -- Magnitude 3.3, N of Olympia, WA
Sunday March 6, 2005 at 05:20:6.45 AM (PST) -- Magnitude 3.5, SE of Granite Falls, WA
Sunday February 6, 2005 at 00:53:53.51 AM (PST) -- Magnitude 3.2, E of Mt Baker, WA
Thursday February 3, 2005 at 06:08:4.46 AM (PST) -- Magnitude 3.0, WNW of Everett, WA
Tuesday November 16, 2004 at 10:21:28.52 AM (PST) -- Magnitude 3.5, SSE of Lakeview, OR
Sunday November 7, 2004 at 11:23:59.73 AM (PST) -- Magnitude 3.2, SSE of Mt Rainier, WA
Thursday October 7, 2004 at 01:23:32.28 AM (PDT) -- Magnitude 3.5, SSE of Lakeview, OR
Mount St. Helens Volcanic Advisory & Updates
- Eruptive episode began Sept. 23, 2004 - continues through 2005.
Saturday August 21, 2004 at 12:43:33.87 PM (PDT) -- Magnitude 3.2, N of Aberdeen, WA
Wednesday August 18, 2004 at 11:06:3.48 PM (PDT) -- Magnitude 4.7, W of Newport, OR
Monday August 16, 2004 at 02:05:54.24 PM (PDT) -- Magnitude 4.0, NNW of Goat Rocks, WA
Sunday July 25, 2004 at 11:40:46.85 PM (PDT) -- Magnitude 3.5, N of Aberdeen, WA
SPECIAL PAGE FOR LAKEVIEW, OR SEQUENCE including Wednesday July 22, 2004 at 01:26 PM (PDT) -- Magnitude 4.3, SE of Lakeview, OR
Slow Tremor 2004 - July 8 - ??? northern Puget Sound and Vancouver Island
Monday July 12, 2004 at 09:45:0.41 AM (PDT) -- Magnitude 4.9, SW of Newport, OR
SPECIAL PAGE FOR LAKEVIEW, OR SEQUENCE & Wednesday June 30, 2004 at 05:21:45.80 AM (PDT) -- Magnitude 4.4, SE of Lakeview, OR
Friday June 25, 2004 at 02:48:31.61 PM (PDT) -- Magnitude 3.9, SSW of Mt Rainier, WA
Thursday June 24, 2004 at 06:41:32.01 PM (PDT) -- Magnitude 3.0, SW of Adel, OR
Thursday June 17, 2004 at 02:16:42.93 AM (PDT) -- Magnitude 3.4, N of Walla Walla, Wa
Thursday May 13, 2004 at 12:43:14.10 PM (PDT) -- Magnitude 3.1, ESE of Forks, WA
Slow Tremor 2004 - May 8 - May 18 southern Puget Sound
Monday April 5, 2004 at 04:07:12.56 AM (PDT) -- Magnitude 3.1, WNW of Crescent City, CA
Wednesday March 17, 2004 at 03:34:27.34 AM (PST) -- Magnitude 3.8, ENE of Mount Vernon, WA
Friday February 27, 2004 at 06:01:47.94 PM (PST) -- Magnitude 3.3, SSE of Kenewick, WA
Wednesday February 25, 2004 at 05:51:54.47 PM (PST) -- Magnitude 3.0, NW of Portland, OR
Friday January 16, 2004 at 00:18:18.51 AM (PST) -- Magnitude 3.6, E of Bremerton, WA
Wednesday January 14, 2004 at 04:13:38.89 AM (PST) -- Magnitude 3.3, W of Chelan, WA
Friday December 26, 2003 at 02:07:45.65 AM (PST) -- Magnitude 3.4, N of Okanogan, WA
Saturday October 25, 2003 at 04:50:58.26 AM (PDT) -- Magnitude 3.0, S of Penticton, BC
Monday September 22, 2003 at 07:06:19.97 AM (PDT) -- Magnitude 3.3, NE of Spokane, WA (Mission & N Division)
Friday July 25, 2003 at 01:48:1.15 (PDT) -- Magnitude 3.0, NW of Portland, OR
Monday July 7, 2003 at 05:40:12.66 (PDT) -- Magnitude 3.3, SSE of Mt Hood, OR
Saturday July 5, 2003 at 10:55:11.28 (PDT) -- Magnitude 3.0, SSW of Bremerton, WA
Thursday June 19, 2003 at 07:01:23.16 (PDT) -- Magnitude 3.5, NW of Carnation, Wa
Thursday May 29, 2003 at 08:50:8.05 (PDT) -- Magnitude 3.7, SW of Bremerton, WA
Monday April 28, 2003 at 03:25:48.14 (PDT) -- Magnitude 2.8, SE of Canby, OR
Friday April 25, 2003 at 03:02:12.79 (PDT) -- Magnitude 4.8, ESE of Mt Olympus, WA
Thursday April 24, 2003 at 12:26:30.42 (PDT) -- Magnitude 3.9, NW of Portland, OR