M 5.2 earthquake: Philippine Sea (Zamboanga, Philippines) — December 22, 1979

M 5.2 earthquake: Philippine Sea (Zamboanga, Philippines) — December 22, 1979. Epicenter 93 km N of Zamboanga, depth 44 km, 10:29 Local (1979-12-22 02:29 UTC). Shaking felt by ~4.2M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (93 km N of Zamboanga, Philippines) — 7.752, 122.142

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