M 4.9 earthquake near 北太平洋 (日本) — 1981-02-28

Magnitude 4.9 earthquake near 北太平洋（377公里，日本）, depth 33 km, 01:03 Local (1981-02-28 15:03 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

北太平洋（377公里，日本） — 44.418, 148.619

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