WASHINGTON AND OREGON
(120th MERIDIAN OR PACIFIC STANDARD TIME)
February 24: 11:39:05*. Epicenter very near Seattle, Wash., according to the University of
Washington. IV. Press reported the earthquake a slight, but felt generally throughout Seattle. Some
reported dishes rattled. Building creaked and loose objects rattled at the Federal Office Building.
Felt by many at the Seattle-Tacoma Airport, 15 miles south of Seattle. All reported swaying
motion.
April 10: 03:07. Grays Harbor, Wash. IV. Awakened several. Felt like a heavy logging
truck passed. Epicenter estimated 75 miles west of Seattle according to the University of Wash-
ington. Felt in Aberdeen from a slight to sharp jolt, in Hoquiam with a duration of a second or two,
Junction City, and Willapa Bay (Coast Guard Station).
April 27: 07:30. Packwood, Wash. III. Slight shock felt by few.
May 26: 23:33. Sedro-Woolley, Wash. (about 15 miles northwest of). IV. Felt by ob-
server. Dishes and stove rattled. Hanging gasoline lamp swung west-east.
July 11: 00:15. Seattle, Wash. Slight shock.
November 4: 13:59. Corvallis, Oreg. Number of residents reported feeling a strong but brief
shock.
December 15: 20:32:12* (recorded time at Corvallis, Oreg.). Felt over an area of approxi-
mately 3,000 square miles in northwestern Oregon and across the Columbia River at a few localities
in Washington. (See map, page 25.) Maximum intensity VI.
INTENSITY VI IN OREGON:
Portland.-Felt generally over the Portland area; frightened many. Some reports of plaster
cracking, dishes and other objects falling, and shifting of small objects and furnishings. One report
of cracked chimney and slight damage to fireplace tile. It was reported a 1-story building, facing
on Broadway and abutting the Ambassador Apartments (SW. 6th Ave.) in the rear, was cracked
away from the juncture. Leak developed in apartment building. Some said it felt like a strong
nearby explosion; others said it felt as if a very heavy object had hit the house. Many reported a
rumbling sound.
Roy.-Felt by all and frightened many. Plaster cracked. Knickknacks fell.
INTENSITY VI IN WASHINGTON:
Vancouver.-Felt by and frightened many in community. Slight damage to commercial build-
ings of block and concrete. Plaster cracked. Motion rapid.
INTENSITY V IN OREGON: Beaverton, Canby, Clatskanie, Hillsboro, McMinnville, and Mill City.
INTENSITY IV IN OREGON: Aurora, Buxton, Carlton, Forest Grove, Milwaukee (1 mile south of),
Multnomah (near), Newberg, Oak Grove, Oregon City, Oswego, Tigard, Troutdale, and Woodburn.
INTENSITY IV IN WASHINGTON: Battle Ground and Kalama.
INTENSITY I TO Ill IN OREGON: Amity, Molalla, Plymouth, Rex, Saint Helena, and Salem.
Also reported felt at the following places (no details given): Dundee (1/4 mile west of Red Hills),
Gable (4 miles south of), Mill City, Oswego Lake (about 1 mile north and east of), Vernonia, and
Willamette.
INTENSITY I TO III IN WASHINGTON: Kelso (6 miles north of).
UW Dept. of Earth and Space Sciences ..... . PNW EARTHQUAKES