M 4.7 earthquake near North Pacific Ocean (Japan) — 1983-09-21

Magnitude 4.7 earthquake near North Pacific Ocean (874 km SE, Japan), depth 33 km, 06:09 Local (1983-09-21 20:09 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (874 km SE, Japan) — 28.304, 143.507

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