Author Topic: Chronology - Major U.S. Earthquakes  (Read 2450 times)

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Mimi

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Chronology - Major U.S. Earthquakes
« on: August 01, 2008, 11:03:43 AM »
July 29 (Reuters) - A magnitude 5.4 earthquake struck east of Los Angeles on Tuesday and was felt hundreds of miles south to the Mexican border but there were no reports of injuries, major structural damage or power outages.

Following is a list of some of the major U.S. earthquakes:

Nov 3, 2002 - A 7.9 magnitude quake centered on a sparsely populated area south of Fairbanks, Alaska was felt from the Arctic Circle to the Gulf of Mexico. It appears to have caused remarkably little serious damage and only minor injuries.

Jan 17, 1994 - A magnitude 6.7 quake in Northridge, California, in the San Fernando Valley in northern Los Angeles killed 60 people, injured more than 7,000, left 20,000 homeless and damaged more than 40,000 buildings. It collapsed overpasses, closing sections of four major area freeways. Damage estimates ranged from $13 billion and $30 billion.

June 28, 1992 - A magnitude 7.3 quake in Landers, California near Yucca Valley in the Mojave Desert killed one person and injured 400. It was felt throughout the Southwest.

Oct 17, 1989 - A magnitude 6.9 quake in the Santa Cruz Mountains near the Loma Prieta Mountains in northern California killed 63 people, caused 3,757 injuries and an estimated $6 billion in property damage. The most severe damage occurred in Oakland and San Francisco about 60 miles (100 km) north, where several sections of major freeways collapsed.

Feb 9, 1971 - A magnitude 6.6 quake struck in a sparsely populated area of the San Gabriel Mountains in Southern California. It killed 65 people, injured more than 2,000 and caused property damage estimated at more than $505 million.

March 28, 1964 - Alaska - A powerful 9.2 earthquake and ensuing tsunami claimed 128 lives and caused about $311 million in property losses.

Aug 18, 1959 - The largest earthquake to hit Montana in recorded history, it measured 7.3, caused 28 fatalities and caused about $11 million in damage to highways and timber.

March 9, 1957 - An earthquake measuring 9.1 hit the Andreanof Islands of Alaska. On Umnak Island, Mount Vsevidof erupted after being dormant for 200 years, generating a 50-foot(15-metre)-high tsunami that continued to Hawaii.

July 21, 1952 - A 7.3 magnitude temblor killed 12 people and caused $60 million in damage, much of it around Bakersfield, California.

April 1, 1946 - A magnitude 8.1 quake struck Unimak Island in Alaska, where it caused only minor damage to buildings, but generated a 115-foot(35-metre)-high tsunami that destroyed the island's lighthouse and swept away its five occupants. The tsunami killed 159 people in Hilo, Hawaii where it caused $26 million in damage, and killed one person in California.

March 11, 1933 - A magnitude 6.4 quake in Long Beach, California killed 115 people and caused $40 million in estimated damage.

April 18, 1906 - The great San Francisco earthquake measured 7.8 in magnitude and along with resulting fires, killed an estimated 3,000 people and caused $524 million in property losses. It caused the San Andreas Fault to rupture over 267 miles (430 km).

Sept 1, 1886 - Measuring 7.3 in magnitude, this quake in Charleston, South Carolina was the most damaging to occur in the Southeastern United States. It killed 60 people and damaged most buildings in the old port city.

Dec 16, 1811 - Measuring up to an estimated 8.1 in magnitude, a series of earthquakes struck the Mississippi Valley near New Madrid in what is now Missouri in 1811-1812, changing the course of the Mississippi River and much of the landscape.

Jan 26, 1700 - Estimated at around magnitude 9.0, the Cascadia earthquake is the largest known to have occurred in the lower 48 states. It rocked Cascadia, a region 600 miles (966 km) long stretching from northern California to southern British Columbia. It caused a tsunami that hit the local coast and crossed to Japan, where it damaged coastal villages.

Sources: Reuters, U.S. Geological Survey
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