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Earthquake


Earthquake: Underground tremors and oscillations of the Earth's surface caused by sudden shifts and fractures in the Earth's crust or upper part of the mantle and transmitted over long distances as elastic vibrations

Source: "SAFETY IN EMERGENCY SITUATIONS. NATURAL EMERGENCY SITUATIONS. TERMS AND DEFINITIONS. GOST 22.0.03-97/GOST R 22.0.03-95"

(approved by the Decree of the Russian State Standard dated May 25, 1995 No. 267)

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