M 5.3 earthquake: North Pacific Ocean (Japan) — April 13, 1980

M 5.3 earthquake: North Pacific Ocean (Japan) — April 13, 1980. Epicenter 539 km S of Yokohama, depth 33 km, 03:19 Local (1980-04-12 18:19 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (539 km S, Japan) — 30.812, 141.355

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