M 5.0 earthquake: North Pacific Ocean (Japan) — July 7, 1987

M 5.0 earthquake: North Pacific Ocean (Japan) — July 7, 1987. Epicenter 257 km SE of Yokohama, depth 60 km, 03:19 Local (1987-07-06 18:19 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (257 km SE, Japan) — 33.4, 140.945

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