WASHINGTON AND OREGON (120th MERIDIAN OR PACIFIC STANDARD TIME) January 11: 02:20:08*. Epicenter 47 degrees 49' north, 124 degrees 1' west, western Olympic Mountains, Wash., S. Northwest Washington, V. At Port Angeles felt by and awakened many in community; walls creaked; hanging objects swung. Two quick jolts felt by several in home and awakened four out of six at the Hoh Ranger Station (Hoh River, 47 degrees 52' north, 123 degrees 55' west). "Must have been two shocks about 30 seconds apart. Felt like two dynamite blasts about 1/4 mile away or like a big tree falling on the roof." Also felt in Quinault and 4 miles east of Raymond. Reported felt in two areas of Victoria, B., C., and south- west of Victoria along the Strait of Juan de Fuca. February 6: 01:00. Grand Coulee, Wash. IV. Felt by those awake. Felt like house settled. Loud earth noises heard. Fifteen miles north of Grand Coulee a farmer reported one crashlike shock. He went outside and then felt another. Disturbed a flock of birds near his home. February 24: 02:00:50*. Epicenter 47 degrees 59' north, 123 degrees 11' west, northern Olympic Peninsula, southwest of Sequim, Wash., S. Reported felt by few in Victoria, B. C. March 25: 22:55:50*. Epicenter 48 degrees 03' north, 122 degrees 02'. west, near Hartford, Wash., S. Felt over an area of approximately 8,500 square miles of western Washington .i (See map, page 34.) Maximum intensity VI.
INTENSITY VI:
Everett (south of).-House foundation reported cracked.
Hartford (3 miles northeast of).-Felt by and awakened all in area; children in home frightened. Win-
dows, doors, and dishes rattled; house creaked. Earth noises heard by many before shock. Motion
bumping, like hammer blows.
Monroe.-Felt by and awakened all. Windows and doors rattled. Moderate earth noises heard
before shock.
Preston.-Felt by and awakened all in community; frightened few. Windows, doors, and dishes
rattled; house creaked. Started with barely perceptible motion followed by sudden jolt from south-north.
Sultan.-Felt by all; awakened and frightened few. Small objects and furnishings shifted and fell.
Moderate earth noises heard before shock.
INTENSITY V: Arlington, Bellevue, Clearview, Everett, Fall City, Fortson, Gold Bar, Index, Kenmore,
La Conner, Lake Stevens, Lakewood, North Bend, Pinehurst, Robe, Silvana, Skykomish, Snohomish, and
Snoqualmie Falls.
INTENSITY IV: Algona, Anacortes, Cedar Falls, Clinton, Concrete, Des Moines, Duvall, East Stan-
wood, Edmonds, Elbe, Freeland, Granite Falls, Grotto, Hansville, Hyak, Kingston, Lakebay, Leavenworth,
Lowell, Marysville, Mercer Island, Mukilteo, Nordland, Olympia, Oso, Port Townsend, Roy, Seattle,
Seattle-Tacoma Airport (about 15 miles south of Seattle), Selleck, Snoqualmie, Verlot Ranger Station
(Verlot), Wauna, and Woodinville.
INTENSITY I TO III: Bothell, Coupeville, Cove, Darrington, East Olympia, Eatonville, Issaquah,
Kanaskat, Kapowsin, Kennydale, Kent, Kirkland, Lester, Maple Valley, Ravensdale, Renton, Rockport,
Seabold, Sedro Woolley, Stanwood, Startup, Tacoma, Tahuya, and Wilkeson.
January, February, March. Eastern Washington. Othello. A 10-12 square mile farmland area
was shaken by nearly 200 shocks during this period, causing farm towers to sway, cracking walls, and
shifting pictures on walls. Geologists reported the disturbances were caused by shifting subterranean rock
due to the weight of irrigation water. The ground water volume has been rising steadily since this vast
area, formerly an arid desert region, was opened to farming by giant irrigation projects.
July 15, 18, 19: 06:00, 22:23, 01:55, respectively; other shocks also reported. Series of sharp
shocks, similar to those reported from Othello during January, February, and March, felt at Soap Lake,
Wash. (Grant County).
September 10: 08:52:45*. Epicenter 48 degrees 24' north, 124 degrees 36' west, Neah Bay, Wash., S. V. Felt
by many and frightened few in community at Neah Bay; merchandise fell from shelves and broke; small
objects shifted; concrete buildings shook. Lighter shock felt about 15 seconds later. Felt by many and
frightened few in home at Sekiu where everything shook, wires, etc.; windows rattled. Moderate earth
noises heard. On Tatoosh Island at the Weather Bureau Office felt by all personnel and few alarmed;
disturbed objects observed by all; barometers swung; dishes rattled. Moderately loud earth noises heard
by all during shock. Felt by many at Clallam Bay where water tanks, windows, and mirrors vibrated;
merchandise rattled on store shelves; trees, bushes shaken moderately. Thump-like blasting heard.
November 2: 17:40:28*. Epicenter 48 degrees 06' north, 121 degrees 45' west, northeast of Robe, Wash., S. V.
Felt by all at Gold Bar where dishes rattled; faint earth noises heard by few 10 seconds before shock; motion
rapid. Intensity IV at Everett, Granite Falls, Lake Stevens, Marysville, and southeast of, Oso, Snohomish,
and Verlot Ranger Station, where principal effects were rattling of windows and dishes. At Everett police
switchboard flooded with calls and cement floor jarred enough to set off a furnace thermostat. Some
persons reported the shock was accompanied by a sharp explosivelike noise; one person reported a rolling
motion preceded the noise. Also felt at Bellevue (3 miles northeast of) on east side of Lake Washington.
UW Dept. of Earth and Space Sciences ..... . PNW EARTHQUAKES