M 4.8 earthquake: North Pacific Ocean (Japan) — April 15, 1979

M 4.8 earthquake: North Pacific Ocean (Japan) — April 15, 1979. Epicenter 914 km S of Hamamatsu, depth 120 km, 18:21 Local (1979-04-15 09:21 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (914 km S, Japan) — 27.007, 141.056

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