WASHINGTON AND OREGON (105th MERIDIAN OR PACIFIC WAR TIME) NOTE- More details will be found in Abstracts of Earthquake Reports for the Pacific Coast and Western Mountain Region. An asterisk (*) indicates instrumental time. April 14: 03:53. Clarkston, Washington. Felt by several. Dishes and windows rattled. "The fowls were disturbed and flew about." April 23: 16:10:46.* (D. S. Carder, Lake Mead Seismological Party). The epicentral area was probably between Leavenworth and Entiat. The total affected area was about l0,000 square miles, north and south from Tonasket and Sunnyside, east and west from Coulee Dam to the crest of the Cascade Moun- tains at Scenic. See map page 19.
INTENSITY V:
Entiat.-Felt by all.
Leavenworth.-Felt by many in houses and by some out-of-doors houses creaked and windows
rattled. Knickknacks fell.
Republic.-Strong shock. Shook dishes and sent slide of gravel and rocks down mountain. It was
followed by a loud explosive noise. Pictures swayed.
INTENSITY IV:
Chelan, Ephrata, Lakeside, Odessa, Pateros, Scenic, Tonasket, Waterville, and Wenatchee.
INTENSITY I TO III:
Connell, Coulee Dam, and Sunnyside.
Negative reports were received from thirty-seven places.
June 13: 06:20. Entiat, Washington. Windows rattled.
June 24: 09:44. Bend, Oregon. Felt by a few. Slight tremor felt by all upstairs.
July 11: 21:40. Longmire (Mt. Rainier National Park). Felt by many. Windows rattled, walls
creaked. Negative reports were received from twelve places.
August 4: Rockville, Oregon. A special report states that minor tremors were being felt at the
Leake ranch and had been more or less continuous for three days. Similar disturbances have been noted
at this point two or three times a year for the past six or seven years. They usually last for a week or ten
days. The tremors are probably related to a steamvent in the hillside northeast of the ranch. This vent
was first noticed several years ago and still steams in cold weather, melting the snow nearby. The ob-
server stated that she lived in Santa Barbara, California at the time of the San Francisco earthquake and
knows the characteristics of an earthquake.
September 22: 21:50. Coulee Dam, Mason City, and Grand Coulee, Washington. Felt by many
as windows rattled and houses creaked slightly. Direction of motion was up and down. Negative reports
were received from nine places.
October 6: 08:09. Snoqualmie, North Bend, and Preston, Washington. Generally felt in these
places where windows rattled and houses creaked. Negative reports were received from seven places.
October 9: 05:56. Entiat and Waterville, Washington. Light shock rattled windows and dishes.
Clocks stopped. Negative reports were received from six places.
October 27: 01:54. Okanogan, Washington. Felt by many and awakened many. Slightly felt at
Coulee Dam (Right Powerhouse Guard Station), and twelve miles from Wauconda. Not felt at Chesaw,
Laurier and Republic.
November 28: 17:43. Puget Sound Region. Felt over an area of about 9,000 square miles in the
State of Washington. Intensity VI was reported from Richardson where chimneys were cracked. Van-
couver, British Columbia, and Vancouver Island trembled under two distinct shocks. See map page 19.
INTENSITY VI:
Richardson.-Not by many. Windows rattled and small objects and furniture shifted. Chimneys
cracked.
INTENSITY V:
Coupeville, Eastsound, La Conner, Langley, Quilcene, and Roche Harbor.
INTENSITY IV:
Anacortes, Arlington, Bellingham, Chimacum, Darrington, Edison, Everett, Granite Falls, Lynden,
Mt. Vernon, Oak Harbor, Olga, Port Angeles, Port Ludlow, Scenic, Seattle, near Bremerton, (Section 25,
T24N, R1E) Sequim, Startup, and Sultan.
INTENSITY I TO III:
Cle Elum, Concrete, Nooksack, Port Townsend, and Sedro-Woolley.
Negative reports were received from fifty-two places.
UW Dept. of Earth and Space Sciences ..... . PNW EARTHQUAKES