M 4.6 earthquake: North Pacific Ocean (Japan) — April 14, 1977

M 4.6 earthquake: North Pacific Ocean (Japan) — April 14, 1977. Epicenter 298 km SE of Yokohama, depth 36 km, 19:01 Local (1977-04-14 10:01 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (298 km SE, Japan) — 33.078, 141.151

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