M 4.6 earthquake near 北太平洋 (日本) — 1981-04-16

Magnitude 4.6 earthquake near 北太平洋（339公里，日本）, depth 33 km, 01:10 Local (1981-04-16 15:10 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

北太平洋（339公里，日本） — 42.645, 148.503

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