M 4.5 earthquake: North Pacific Ocean (Japan) — March 28, 1980

M 4.5 earthquake: North Pacific Ocean (Japan) — March 28, 1980. Epicenter 284 km SE of Yokohama, depth 38 km, 20:46 Local (1980-03-28 11:46 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (284 km SE, Japan) — 33.536, 141.685

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