M 4.8 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — December 21, 1987

M 4.8 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — December 21, 1987. Epicenter 1052 km N of Capitol Hill, depth 33 km, 12:27 Local (1987-12-21 02:27 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (1052 km N of Capitol Hill, Northern Mariana Islands) — 24.218, 142.676

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