M 4.6 earthquake: North Pacific Ocean (Japan) — March 9, 1990

M 4.6 earthquake: North Pacific Ocean (Japan) — March 9, 1990. Epicenter 358 km S of Yokohama, depth 75 km, 17:13 Local (1990-03-09 08:13 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (358 km S, Japan) — 32.378, 140.831

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