M 4.9 earthquake: North Pacific Ocean (Japan) — June 23, 1997

M 4.9 earthquake: North Pacific Ocean (Japan) — June 23, 1997. Epicenter 393 km S of Yokohama, depth 57 km, 20:46 Local (1997-06-23 11:46 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (393 km S, Japan) — 32.042, 140.824

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