M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — May 13, 1975

M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — May 13, 1975. Epicenter 443 km N of Capitol Hill, depth 172 km, 06:04 Local (1975-05-12 20:04 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (443 km N, Northern Mariana Islands) — 19.181, 145.369

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