M 4.6 earthquake near Laoag, Ilocos Norte, Philippines — 1973-08-06

Magnitude 4.6 earthquake near 20 km NE of Laoag (Philippines), depth 6 km, 17:15 Local (1973-08-06 09:15 UTC). Shaking felt by ~3.9M people. Readings from every reporting agency, affected towns, aftershock sequence.

20 km NE of Laoag (Philippines) — 18.268, 120.764