M 4.5 earthquake: Philippine Sea (Laoag, Philippines) — December 5, 1988

M 4.5 earthquake: Philippine Sea (Laoag, Philippines) — December 5, 1988. Epicenter 249 km NE of Laoag, depth 28 km, 05:42 Local (1988-12-04 21:42 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (249 km NE of Laoag, Philippines) — 19.989, 122.023

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