M 5.4 earthquake near 北太平洋 (日本) — 1981-03-18

Magnitude 5.4 earthquake near 北太平洋（262公里，日本）, depth 33 km, 03:20 Local (1981-03-18 18:20 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

北太平洋（262公里，日本） — 29.37, 129.423