M 5.3 earthquake: North Pacific Ocean (Japan) — January 11, 1978

M 5.3 earthquake: North Pacific Ocean (Japan) — January 11, 1978. Epicenter 537 km S of Hamamatsu, depth 410 km, 17:10 Local (1978-01-11 08:10 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (537 km S, Japan) — 29.969, 138.745

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