M 4.6 earthquake near South China Sea (Philippines) — 1978-04-15

Magnitude 4.6 earthquake near South China Sea (105 km SW of Laoag, Philippines), depth 63 km, 01:36 Local (1978-04-15 17:36 UTC). Shaking felt by ~388K people. Readings from every reporting agency, affected towns, aftershock sequence.

South China Sea (105 km SW of Laoag, Philippines) — 17.615, 119.809