M4.7 earthquake 4 km SE of Libas, Philippines
A magnitude 4.7 earthquake struck 4 km SE of Libas, Philippines on Sat, Aug 8, 1981, 12:17 AM GMT+8 (16:17 UTC), 57 km (35 mi) below the surface.
A larger quake followed: M5.0 15 km E of Tigao, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1981-08-07 16:17:41 UTC
- Depth
- 57.1 km (35.5 mi), shallow
- Epicenter
- 9.850° N, 126.014° E
- Region
- Philippines
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.015 km E of Tigao, Philippines · 16454 days ago · 68 km deep · 81 km away
- 4.916 km N of Cortes, Philippines · 16452 days ago · 73 km deep · 51 km away
- 4.637 km ENE of Pilar, Philippines · 16435 days ago · 33 km deep · 47 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001f5j. Read Mon, Sep 21, 2026, 3:51 PM UTC.