M 5.1 earthquake near Cagayan, 菲律宾 — 1977-07-21

Magnitude 5.1 earthquake near Tuguegarao东南87公里（菲律宾）, depth 46 km, 03:55 Local (1977-07-21 18:55 UTC). Shaking felt by ~1008万 people. Readings from every reporting agency, affected towns, aftershock sequence.

Tuguegarao东南87公里（菲律宾） — 17.212, 122.432