M 6.4 earthquake: North Pacific Ocean (Northern Mariana Islands) — May 5, 1988

M 6.4 earthquake: North Pacific Ocean (Northern Mariana Islands) — May 5, 1988. Epicenter 367 km N of Capitol Hill, depth 122 km, 09:47 Local (1988-05-04 23:47 UTC). Shaking felt by ~2.5K people. Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (367 km N, Northern Mariana Islands) — 18.512, 145.858

EarthquakeLive.org