Today in Earthquake History
Earthquake History for February 28th
- About 400 people injured and major damage in the
Seattle-Tacoma-Olympia area. Maximum intensity (VIII)
in the Capitol Hill area of Olympia and in the Pioneer
Square area south of downtown Seattle. Preliminary
estimates of damage are between 1 and 4 billion U.S.
dollars. Felt from central Oregon to southern British
Columbia and as far east as northwestern Montana. The
maximum recorded acceleration was 0.3g at Seward Park.
Landslides occurred in the Tacoma area and near Renton.
Liquefaction and sand blows occurred in parts of Olympia
and South Seattle.
Significant Earthquakes of the World 2001
- At least 965 people killed, 2,600 injured, 36,000
homeless, 12,000 houses damaged or destroyed and
160,000 livestock killed in the Ardabil area of
northwestern Iran. Severe damage to roads, electrical
power lines, communications and water distribution
systems in the Ardabil area.
Significant Earthquakes of the World 1997.
- Thirty people received minor
injuries and damage was estimated to be at least 12.7 million
dollars. Some damage (VII) at Claremont, Covina, La Verne,
Montclair, Mount Baldy, Ontario, Pomona, San Dimas, Upland and
Walnut. Slight damage (VI) at Arcadia, Azusa, Chino, Colton,
Compton, Glendora, Lincoln Heights, Lytle Creek, Pico Rivera
and West Covina. Felt from Santa Barbara to Ensenada, Mexico
and northeast as far as Las Vegas, Nevada.
Significant Earthquakes of the World 1990.
- Slight damage in the Valdez-Yakutat and
Alaska and in the Kluane-Beaver Creek area,
Maximum intensity VII at Icy Bay
Lumber Camp, Alaska. Felt over
an area of about 500,000 square kilometers
of Alaska, Yukon Territory, and
northern British Columbia.
30 centimeter tsunami reported at Yakutat.
One of the Largest Earthquakes in the United States.
- This earthquake was centered near the
Pennsylvania-New Jersey border, south of
Chester, Pennsylvania. It was felt widely
in New Jersey, Pennsylvania, Maryland, and
Delaware. Several reports were received
of it being felt in parts of New York,
Connecticut, and Virginia. The shock occurred
at 3:21 a.m. EST, waking thousands of people
but causing only slight damage. Many
residents thought they were having furnace trouble
or that an intruder was trying to open a door.
Philadelphia police reported 1,829 telephone
inquiries in 40 minutes. Damage was limited to
cracked plaster and cinder blocks in a few places.
From Earthquake Information Bulletin, Volume 5, Number 2.
- Located west of Portugal, the shock killed 13 people
(two in Portugal and eleven in Morocco)
and injured scores. It was felt as far as 1,300
kilometers from the epicenter - from Bordeaux, France, to
the Canary Islands. There was only light damage to modern
structures, and because of its distance from
populated centers, overall property damage was moderate.
From Significant Earthquakes of the World 1969
and Earthquake Information Bulletin, Volume 2, Number 1.
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