M 5.1 earthquake: North Pacific Ocean (Japan) — October 8, 1977

M 5.1 earthquake: North Pacific Ocean (Japan) — October 8, 1977. Epicenter 300 km N of Naha, depth 33 km, 08:06 Local (1977-10-07 23:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (300 km N, Japan) — 28.868, 128.186

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