M 4.5 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — August 18, 1991

M 4.5 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — August 18, 1991. Epicenter 1083 km N of Capitol Hill, depth 542 km, 23:45 Local (1991-08-18 14:45 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (1083 km N of Capitol Hill, Northern Mariana Islands) — 24.321, 142.083

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