M 4.7 earthquake near North Pacific Ocean (Japan) — 1977-09-20

Magnitude 4.7 earthquake near North Pacific Ocean (432 km E, Japan), depth 48 km, 11:59 Local (1977-09-20 01:59 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (432 km E, Japan) — 44.01, 149.543

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