April 1981 Westmorland, Calipatria, USA Images
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Magnitude 6.3. Damage $1-$3 million. Subsidence was reported on several rural roads in the area. Liquefaction caused scores of mudpots, and oozing soil in nearby fields. One country road west of Westmorland collapsed, producing a 2-foot drop-off. In rural areas, unreinforced, concrete-lined irrigation canals were broken.
March 1933 Long Beach, USA Images
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5 kilometers southwest of Newport Beach. Seriously affected area: 1,200 square kilometers. Damage: $40 million. Schools were among the buildings most severely damaged because they were not designed to resist shaking. In addition to the damage to the schools at Long Beach, the schools at Buena Park were badly damaged. There was also considerable damage to schools at Lomita, and two schools were damaged at Redondo Beach. Great loss of life would have occurred if the shock had taken place during school hours. Unlike the 1906 San Francisco earthquake, the loss due to fire in the 1933 earthquake was almost negligible.
October 1986 San Salvador, El Salvador Images
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At least 1,000 people killed, 10,000 injured, 200,000 homeless and severe damage in the San Salvador area. About 50 fatalities were the result of landslides in the epicentral area. Some damage at Tegucigalpa, Honduras. Felt strongly in parts of Guatemala and Honduras.
September 1886 Charleston, USA Images
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Generally referred to as August 31, 1886, as the earthquake occurred at 9:51 pm local time. Eight minutes later there was a severe aftershock. This was the most damaging earthquake to occur in the southeastern U.S. and one of the largest historic shocks in eastern North America. Structural damage was reported within several hundred kilometers from Charleston, and long-period effects were observed at distances exceeding 1,000 kilometers.