M 4.8 earthquake: North Pacific Ocean (Japan) — September 18, 1997

M 4.8 earthquake: North Pacific Ocean (Japan) — September 18, 1997. Epicenter 435 km SE of Hamamatsu, depth 10 km, 10:15 Local (1997-09-18 01:15 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (435 km SE, Japan) — 31.291, 139.991

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