M 5.4 earthquake off the coast of Petropavlovsk-Kamchatsky, Russia — August 12, 1972

M 5.4 earthquake off the coast of Petropavlovsk-Kamchatsky, Russia — August 12, 1972. Epicenter 250 km NE of Petropavlovsk-Kamchatsky, depth 30 km, 01:24 Local (1972-08-11 13:24 UTC). Shaking felt by ~183K people. Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (250 km NE, Russia) — 54.502, 161.539

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