M 4.5 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — December 28, 1991

M 4.5 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — December 28, 1991. Epicenter 964 km N of Capitol Hill, depth 33 km, 06:05 Local (1991-12-27 20:05 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (964 km N of Capitol Hill, Northern Mariana Islands) — 23.481, 142.975

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