M 4.6 earthquake near 北太平洋 (日本) — 1981-06-20

Magnitude 4.6 earthquake near 北太平洋（285公里，日本）, depth 105 km, 03:46 Local (1981-06-20 15:46 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

北太平洋（285公里，日本） — 44.704, 147.274

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