M 4.5 earthquake near Cagayan, Philippines — 1977-07-21

Magnitude 4.5 earthquake near 111 km SE of Tuguegarao (Philippines), depth 33 km, 07:08 Local (1977-07-21 22:08 UTC). Shaking felt by ~3.8M people. Readings from every reporting agency, affected towns, aftershock sequence.

111 km SE of Tuguegarao (Philippines) — 16.974, 122.525