WASHINGTON AND OREGON
(120th MERIDIAN OR PACIFIC STANDARD TIME)
January 27: 00:28:25.2*. Epicenter 45.7 degrees
north, 122.8 degrees west, Washington-Oregon
border region, W. Intensity IV at Portland,
Oreg.
March 6: 05:15:05*. Magnitude 2.0, S.
Felt at Kirkland, Wash.
May 26: Observer at Adel, Oreg., re-
ported series of shocks began on May 26
(time not given) and were felt daily to
June 11.
May 29: 16:35:59.8*. Epicenter 42.3 degrees
north, 119.8 degrees west, southern Oregon, W.
Magnitude 5.1. Felt at Adel and Lake-
view (IV), Oreg., and Fort Bidwell and
Willow Ranch (east side of Goose Lake,
IV), Calif.
May 29: After 21:00. Intensity V at Adel,
Oreg.
June 3: 05:27:39.7*. Epicenter 42.2 degrees
north, 119.8 degrees west, southern Oregon, W.
Magnitude 5.0. Intensity V at Lakeview
and Plush, Oreg., and Fort Bidwell, Calif.
Also felt at Adel, Oreg.
June 3: 18:34:15.7*. Epicenter 42.3 degrees
north, 119.9 degrees west, southern Oregon, W.
Magnitude 4.7. VI. Felt over approximately
7,000 square miles of southern Oregon and
northeastern California. At Adel, Oreg.,
old chimneys fell or were cracked, and part
of an old rock cellar fell and rest of build-
ing cracked. Ground fissured 2.5 miles
northwest of Fort Bidwell, Calif., along
Bidwell Creek; a house sustained some
foundation cracking and shifting.
INTENSITY VI IN OREGON:
Adel.-"This was the worst shock to date.
Lasted about 30 seconds." Chimneys (all
old) fell or were cracked. Stock fell off
shelves in store. Part of old rock cellar wall
came down, and rest of building cracked.
Dishes, glassware, etc., came out of cup-
board shelves. Lamps overturned. After-
shock about 10 minutes later with east-west
motion.
INTENSITY VI IN CALIFORNIA:
Fort Bidwell (2.5 miles northwest of, in
Bidwell Creek Canyon).-"Most severe of
all the shocks." Fissure opened about 50
feet east of one house and extended at
least 550 feet in a northerly direction to
edge of steep bank leading down to Bid-
well Creek. This fissure was roughly par-
alleled in places by a smaller one, ranging
from several to 8 or 9 feet, east of the main
fissure. The main fissure had a number of
vertical drops up to about 18 inches, and
the maximum gap width was about 10
inches. The initial maximum depth was
about 6 feet and occurred in several places.
House sustained foundation cracking and
shifting, with resultant slight disturbance
to door frames and walls.
INTENSITY V IN OREGON:
Paisley.
INTENSITY IV IN OREGON:
Valley Falls (23 miles north of Lake-
view) .
INTENSITY IV IN CALIFORNIA:
Davis Creek, Lake City, and Willow
Ranch (east side of Goose Lake).
INTENSITY I-III IN CALIFORNIA:
Eagleville.
June 3: 18:38:29:0*. Epicenter 42.3 degrees
north, 119.8 degrees west, southern Oregon, W.
Magnitude 4.0. Slight damage reported at
Adel.
June 3: 22:22:19.0*. Epicenter 42.2 degrees
north, 119.8 degrees west, southern Oregon, . W.
Magnitude 4.3. Felt at Adel, and at Fort
Bidwell, Calif.
June 4: 02:58:22.8*, 20:51:56.8*. Epicen-
ter 42.3 degrees north, 119.9 degrees west, southern
Oregon, W. Magnitudes 4.2 and 4.7, re-
spectively. Felt at Fort Bidwell, Calif.
June 11: 17:20:56*, 17:46:22.4*. Epicen-
ter (1) 42.1 degrees north, 120.0 degrees west;
(2) 42.1 degrees north, 119.9 degrees west, southern
Oregon, W. Magnitudes 3.4 and 4.3, respectively.
Felt at Fort Bidwell, Calif.
June 11: Between 21:00 and 22:00. Very
light shock felt at Fort Bidwell, Calif.
June 18: 21:51:43.0*. Epicenter 47.2 degrees
north, 122.5 degrees west, Washington, W.
Magnitude 4.0, S. Intensity IV at Auburn, Dash
Point, Des Moines, Dockton, Indianola,
Issaquah, Milton, Preston, Puyallup, Ren-
ton, Seattle, 'Tacoma, and Vashon; inten-
sity I-Ill at North Bend, Port Orchard,
and Wauna.
June 25: 16:43. Press reported shock in
Lake County, Oreg., at this time.
June 26: 02:48. Press reported shock in
Lake County, Oreg., at this time.
September 6: 04:16:32.7*. Epicenter
47.8 degrees north, 122.8 degrees west, about
7 miles southeast of Dabob, Wash., S. Magnitude
4.3. over Felt about 4,000 square miles, but
no damage was reported. Intensity V at
Baring, Edmonds, La Conner, Langley,
Preston, Seabeck, and Tracyton; intensity
IV at Anacortes, Blanchard, Bow, Brinnon,
Carlsborg, Clallam Bay, Clinton, Con-
crete, Conway, Coupeville, Greenbank,
Hadlock, Hansville, Index, Indianola,
Lyman, Marblemount, Medina, Monroe,
Mukilteo, Nordland, Oak Harbor, Olym-
pia, Port Gamble, Poulsbo, Renton, Roll-
ing Bay, Silvana, Stanwood, and Sultan;
intensity I-III at Bremerton, Darrington,
Edison, Kingston, Marysville, Orcas, Seattle,
Startup, and WoodinviIIe.
September 25: 12:09:34.2*. Epicenter
47.8 degrees north, 122.7 degrees west, Washington,
S. Magnitude 2-2 1/2. Aftershock of September
6 earthquake located in same region. In-
tensity IV at Brinnon and Port Orchard;
intensity I-III at Hobart and Port Gamble.
November 30: 06:40:08.8*. Epicenter
46.5 degrees north, 122.4 degrees west, Washington,
W. Magnitude 4.3. Felt over approximately
1,000 square miles of Lewis County. Inten-
sity V at Ajlune, Cinebar, Glenoma, Min-
eral, Morton, and Mossyrock; intensity IV
at Silver Creek and Toledo; intensity I-III
at Davidson Lake (in area of former com-
munity of Riffe).
UW Dept. of Earth and Space Sciences ..... . PNW EARTHQUAKES