M 5.5 earthquake: Philippine Sea (Iligan, Philippines) — April 11, 1984

M 5.5 earthquake: Philippine Sea (Iligan, Philippines) — April 11, 1984. Epicenter 159 km NW of Iligan, depth 33 km, 23:04 Local (1984-04-11 15:04 UTC). Shaking felt by ~13.6M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (159 km NW of Iligan, Philippines) — 9.011, 123.05

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