M 4.9 earthquake: North Pacific Ocean (Northern Mariana Islands) — April 9, 1990

M 4.9 earthquake: North Pacific Ocean (Northern Mariana Islands) — April 9, 1990. Epicenter 561 km N of Capitol Hill, depth 161 km, 16:47 Local (1990-04-09 06:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (561 km N, Northern Mariana Islands) — 20.218, 145.1

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