M 4.5 earthquake: North Pacific Ocean (Northern Mariana Islands) — May 6, 1973

M 4.5 earthquake: North Pacific Ocean (Northern Mariana Islands) — May 6, 1973. Epicenter 622 km N of Capitol Hill, depth 33 km, 20:36 Local (1973-05-06 10:36 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (622 km N, Northern Mariana Islands) — 20.801, 145.53

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