M 5.4 earthquake near North Pacific Ocean (Japan) — 1981-12-18

Magnitude 5.4 earthquake near North Pacific Ocean (264 km E, Japan), depth 42 km, 10:47 Local (1981-12-18 01:47 UTC). Shaking felt by ~141K people. Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (264 km E, Japan) — 43.28, 147.598