M 4.5 earthquake: North Pacific Ocean (Northern Mariana Islands) — March 13, 1973

M 4.5 earthquake: North Pacific Ocean (Northern Mariana Islands) — March 13, 1973. Epicenter 379 km N of Capitol Hill, depth 191 km, 09:51 Local (1973-03-12 23:51 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (379 km N, Northern Mariana Islands) — 18.613, 145.532

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