M 4.5 earthquake in the Philippines (Tuguegarao) — October 9, 1977

M 4.5 earthquake in the Philippines (Tuguegarao) — October 9, 1977. Epicenter 115 km SE of Tuguegarao, depth 58 km, 23:24 Local (1977-10-09 15:24 UTC). Shaking felt by ~2.6M people. Readings from every reporting agency, affected towns, aftershock sequence.

115 km SE of Tuguegarao (Philippines) — 16.693, 122.227

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