M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — June 20, 1979

M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — June 20, 1979. Epicenter 350 km N of Capitol Hill, depth 74 km, 21:38 Local (1979-06-20 11:38 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (350 km N, Northern Mariana Islands) — 18.259, 146.589

EarthquakeLive.org