M 4.8 earthquake: Philippine Sea (Zamboanga, Philippines) — January 4, 1982

M 4.8 earthquake: Philippine Sea (Zamboanga, Philippines) — January 4, 1982. Epicenter 144 km N of Zamboanga, depth 33 km, 02:09 Local (1982-01-03 18:09 UTC). Shaking felt by ~2.7M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (144 km N of Zamboanga, Philippines) — 8.167, 122.453

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