M 4.7 earthquake: North Pacific Ocean (Japan) — May 21, 1992

M 4.7 earthquake: North Pacific Ocean (Japan) — May 21, 1992. Epicenter 499 km S of Yokohama, depth 33 km, 23:35 Local (1992-05-21 14:35 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (499 km S, Japan) — 31.265, 141.592

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