M 4.8 earthquake: North Pacific Ocean (Japan) — April 15, 1997

M 4.8 earthquake: North Pacific Ocean (Japan) — April 15, 1997. Epicenter 503 km S of Hamamatsu, depth 432 km, 18:54 Local (1997-04-15 09:54 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (503 km S, Japan) — 30.238, 138.44

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