M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — August 10, 1980

M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — August 10, 1980. Epicenter 340 km N of Capitol Hill, depth 264 km, 20:35 Local (1980-08-10 10:35 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (340 km N, Northern Mariana Islands) — 18.249, 145.367

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