M 4.6 earthquake near Cagayan, Filipinas — 1977-03-21

Magnitude 4.6 earthquake near 119 km al SE de Tuguegarao (Filipinas), depth 33 km, 14:28 Local (1977-03-21 06:28 UTC). Shaking felt by ~4.4M people. Readings from every reporting agency, affected towns, aftershock sequence.

119 km al SE de Tuguegarao (Filipinas) — 16.771, 122.418