M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — August 19, 1988

M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — August 19, 1988. Epicenter 374 km N of Capitol Hill, depth 471 km, 18:58 Local (1988-08-19 08:58 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (374 km N, Northern Mariana Islands) — 18.547, 145.276

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