M 5.7 earthquake: North Pacific Ocean (Japan) — December 6, 1999

M 5.7 earthquake: North Pacific Ocean (Japan) — December 6, 1999. Epicenter 541 km S of Hamamatsu, depth 449 km, 07:00 Local (1999-12-05 22:00 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (541 km S, Japan) — 29.92, 138.689

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