M 4.6 earthquake near Samudra Pasifik Utara (Jepang) — 1981-08-21
Magnitude 4.6 earthquake near Samudra Pasifik Utara (773 km S, Jepang), depth 509 km, 23:29 Local (1981-08-21 14:29 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.
Samudra Pasifik Utara (773 km S, Jepang) — 28.004, 139.835
