M 4.6 earthquake: North Pacific Ocean (USA) — March 18, 2003

M 4.6 earthquake: North Pacific Ocean (USA) — March 18, 2003. Epicenter 636 km W of Atka, depth 20 km, 22:55 Local (2003-03-18 10:55 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (636 km W, USA) — 49.951, 177.4152

EarthquakeLive.org