M 5.0 earthquake: North Pacific Ocean (Japan) — July 4, 1991

M 5.0 earthquake: North Pacific Ocean (Japan) — July 4, 1991. Epicenter 809 km S of Yokohama, depth 28 km, 20:32 Local (1991-07-04 10:32 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (809 km S, Japan) — 28.588, 142.53

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