M 4.7 earthquake: Philippine Sea (Naga, Philippines) — July 21, 1987

M 4.7 earthquake: Philippine Sea (Naga, Philippines) — July 21, 1987. Epicenter 191 km N of Naga, depth 34 km, 04:28 Local (1987-07-20 20:28 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (191 km N of Naga, Philippines) — 15.333, 123.11

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