Some major earthquakes recorded in the United States:
—Nov. 3, 2002: A 7.9-magnitude earthquake rocks a sparsely populated area of interior Alaska, damages support structures for the Alaska oil pipeline and cracks highways and roads.
—Feb. 28, 2001: A 6.8-magnitude earthquake southwest of Seattle damages the Washington state Capitol, briefly closes Seattle-Tacoma International Airport.
—Oct. 16, 1999: A 7.0-magnitude earthquake in California's Mojave Desert derails an Amtrak train, knocks out power to thousands but causes no serious damage or injuries.
—Jan. 17, 1994: A 6.7-magnitude earthquake in the Northridge section of Los Angeles kills 72 people, injures 9,000 and causes an estimated $15.3 billion in insured losses.
—June 28, 1992: A 7.3-magnitude earthquake strikes in Landers, Calif., and a second, a magnitude 6.5, hits the San Bernardino County mountains. The quakes kill a Yucca Valley boy, injure 400 and cause $100 million in damage.
—Oct. 17, 1989: The 7.1-magnitude "World Series" quake shakes the San Francisco Bay area, killing 67 people and causing $7 billion in damage.
—Oct. 1, 1987: A 5.9-magnitude earthquake in Whittier, Calif., and a 5.3-magnitude aftershock kill eight people.
—Feb. 9, 1971: A 6.5-magnitude quake hits California's San Fernando Valley, leaving 65 people dead.
—March 27, 1964: An 8.4-magnitude quake, known as the Good Friday earthquake, near Prince William Sound, Alaska, kills 131 people.
—July 21, 1952: A 7.7-magnitude quake hits the Tehachapi-Bakersfield area 50 miles north of Los Angeles.
—April 13, 1949: A 7.1-magnitude quake near Olympia, Wash., kills eight.
—March 10, 1933: A 6.3-magnitude quake near Long Beach, Calif., kills 115 people.
—April 18-19, 1906: Earthquake and fires level San Francisco, killing an estimated 700 people. The quake measured an estimated 7.8.