February 1971 San Fernando, USA Images

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The magnitude 6.7 earthquake killed 66 and caused $0.5-1.0 billion property damage.

May 1983 Coalinga, USA Images

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Location: Central California, 20.8 kilometers from Coalinga. Affected area: 205,000 square kilometers. Damage: $31 million. The most serious damage occurred in the eight-block downtown commercial district, but residents were also heavily damaged. More then 800 single-family houses were destroyed or incurred major damage. The majority of the 94 injuries occurred in residential sections of the city.

October 1987 Whittier, USA Images

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Epicenter: 34.0 degrees N, 118.1 degrees W. Magnitude: 5.9. Damage: $358 million. Eight deaths. The fault which ruptured was located about 11 kilometers below the surface, and 20 kilometers east of downtown Los Angeles. The fault was an extension of the previously identified Whittier Fault. Severe damage was confined mainly to communities of Los Angeles and near the epicenter.

April 1984 Morgan Hill, USA Images

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This magnitude 6.2 earthquake caused $30 million in property damage in northern California. The epicenter of the quake was located near Mount Hamilton in the Diablo Range of the California Coast Ranges. The earthquake was felt over an area of 120,000 square kilometers in California and western Nevada.

October 1979 El Centro, USA Images

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The magnitude 6.9 earthquake caused $30 million property damage and injured 91 people.

July 1952 Kern County, USA Images

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South of Bakersfield. Affected area: 414,000 square kilometers. Damage: $50 million. This was the main shock of the series of earthquakes that struck this area. It was the largest earthquake in the United States since 1906. Several hundred people were injured. Nine of the deaths resulted from the collapse of a brick wall in Tehachapi.

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.

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.

July 1986 Palm Springs, USA Images

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The magnitude 6.0 earthquake caused $4.5 million in property damage and injured at least 29 people. Landslides occurred in the area. The shock was felt throughout much of southern California and in Las Vegas, Nevada, Lake Havasu City, Arizona and in the northern Baja California area of the United States and Mexico.

October 1935 Helena, USA Images

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Location: almost directly beneath Helena. Affected area: 363,000 square kilometers. Damage: $4 million. A series of earthquakes beginning on October 3, 1935, shook the area. The strongest of the shocks was on October 18. Several shocks of lesser intensity were followed by a second strong earthquake on October 31 that destroyed many buildings that had been previously damaged. The shocks continued with additional strong shocks on November 21 and November 28.