M 5.1 earthquake: North Pacific Ocean (Japan) — September 13, 1984

M 5.1 earthquake: North Pacific Ocean (Japan) — September 13, 1984. Epicenter 928 km S of Yokohama, depth 26 km, 23:57 Local (1984-09-13 13:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (928 km S, Japan) — 27.572, 142.888

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