M 5.4 earthquake: North Pacific Ocean (Northern Mariana Islands) — August 31, 1978

M 5.4 earthquake: North Pacific Ocean (Northern Mariana Islands) — August 31, 1978. Epicenter 348 km NE of Capitol Hill, depth 33 km, 03:02 Local (1978-08-30 17:02 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (348 km NE, Northern Mariana Islands) — 17.673, 147.771

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