M 4.6 earthquake: North Pacific Ocean (Japan) — October 12, 1999

M 4.6 earthquake: North Pacific Ocean (Japan) — October 12, 1999. Epicenter 837 km S of Yokohama, depth 33 km, 05:03 Local (1999-10-11 19:03 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (837 km S, Japan) — 28.336, 142.554

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