M 4.8 earthquake: Philippine Sea (Naga, Philippines) — April 11, 1981

M 4.8 earthquake: Philippine Sea (Naga, Philippines) — April 11, 1981. Epicenter 167 km N of Naga, depth 33 km, 05:54 Local (1981-04-10 21:54 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (167 km N of Naga, Philippines) — 15.073, 123.571

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