M 5.0 earthquake: North Pacific Ocean (Northern Mariana Islands) — April 3, 1978

M 5.0 earthquake: North Pacific Ocean (Northern Mariana Islands) — April 3, 1978. Epicenter 329 km N of Capitol Hill, depth 198 km, 19:07 Local (1978-04-03 09:07 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (329 km N, Northern Mariana Islands) — 18.16, 145.499

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