M4.1 earthquake 16 km SSE of Bangui, Philippines

A magnitude 4.1 earthquake struck 16 km SSE of Bangui, Philippines on Mon, Aug 29, 1983, 11:31 PM GMT+8 (15:31 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M5.6 8 km S of Padong, Philippines. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

The USGS’s account of the effects of this earthquake.

Felt in the Laoag area.

From the USGS event page for usp0001y1a. U.S. Geological Survey text and figures are in the public domain.

No one has reported feeling this quake to the USGS.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 10 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event usp0001y1a. Read Thu, Oct 1, 2026, 3:47 AM UTC.