M 4.8 earthquake: North Pacific Ocean (USA) — March 7, 1983

M 4.8 earthquake: North Pacific Ocean (USA) — March 7, 1983. Epicenter 283 km SW of Atka, depth 33 km, 02:54 Local (1983-03-07 13:54 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (283 km SW, USA) — 50.984, -177.807

EarthquakeLive.org