M 4.6 earthquake: North Pacific Ocean (Japan) — September 21, 1996

M 4.6 earthquake: North Pacific Ocean (Japan) — September 21, 1996. Epicenter 516 km S of Yokohama, depth 33 km, 17:27 Local (1996-09-21 08:27 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (516 km S, Japan) — 31.025, 141.331

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