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1994 Bolivia earthquake : ウィキペディア英語版 | 1994 Bolivia earthquake
The 1994 Bolivia earthquake occurred on June 9, 1994. The epicenter was located in a sparsely populated region in the Amazon jungle, about 200 miles from La Paz.〔 Harvard assigned it a focal depth of 647 km and a magnitude MW of 8.2,〔 making it, at the time, the largest earthquake since the Sumbawa earthquake of 1977, later superseded by more recent larger events (e.g., 2004 Indian Ocean earthquake). It is also the second largest earthquake ever recorded with a focal depth greater than 300 km,〔 the largest currently being the 2013 Okhotsk Sea earthquake. South America also experienced the then second and third largest earthquakes at focal depths greater than 300 km: Colombia, 1970; and northern Peru, 1922.〔 ==Description== The rupture was located on the Nazca plate where it is being pushed beneath the mantle of the South American continent. It shook the ground from Argentina to Canada and its oscillations were the first to be captured on a modern seismic network.〔 Light damage to buildings was felt in Sao Paulo, Brazil, and Toronto, Canada.
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