Liquefaction, Motagua Valley, Guatemala
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Sand mounds deposited by spouting from the row of crater-like vents in the lower Motagua Valley, Guatemala. Increased pressure due to the earthquake forced the liquefied sands to the surface. Image Credit: U.S. Geological Survey February 4, 1976 Los Amateos Guatemala earthquake The magnitude 7.5 earthquake killed 23,000, injured 76,000, and caused $1,100 million in property damage. It was felt over 100,000 square kilometers and was accompanied by extensive surface faulting. Event Data:
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