M 4.6 earthquake: North Pacific Ocean (Japan) — June 12, 1977

M 4.6 earthquake: North Pacific Ocean (Japan) — June 12, 1977. Epicenter 266 km SE of Yokohama, depth 24 km, 07:18 Local (1977-06-11 22:18 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (266 km SE, Japan) — 33.72, 141.634

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