M 4.6 earthquake near North Pacific Ocean (Japan) — 1977-10-31

Magnitude 4.6 earthquake near North Pacific Ocean (580 km SE, Japan), depth 1 km, 11:53 Local (1977-10-31 02:53 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (580 km SE, Japan) — 30.697, 142.213

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