M 4.9 earthquake: North Pacific Ocean (Japan) — April 6, 1976

M 4.9 earthquake: North Pacific Ocean (Japan) — April 6, 1976. Epicenter 589 km S of Hamamatsu, depth 416 km, 18:09 Local (1976-04-06 09:09 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (589 km S, Japan) — 29.541, 139.046

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