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.

October 1986 San Salvador, El Salvador Images

공공데이터포털

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.

May 1983 Coalinga, USA Images

공공데이터포털

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.

February 1971 San Fernando, USA Images

공공데이터포털

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

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 1976 Esmeraldas, Ecuador Images

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Northwestern Ecuador. Damage: Severe.

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.

April 1984 Morgan Hill, USA Images

공공데이터포털

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 1983 Borah Peak, USA Images

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The magnitude 7.2 earthquake of October 28, 1983, near Borah Peak, Idaho.

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.