M 6.9 earthquake near Cagayan, Filippine — 1977-07-21

Magnitude 6.9 earthquake near 106 km a SE di Tuguegarao (Filippine), depth 33 km, 22:45 Local (1977-07-21 13:45 UTC). Shaking felt by ~55.6 mln people. Readings from every reporting agency, affected towns, aftershock sequence.

106 km a SE di Tuguegarao (Filippine) — 16.882, 122.361