M4.6 earthquake 22 km SSW of Looc, Philippines
A magnitude 4.6 earthquake struck 22 km SSW of Looc, Philippines on Thu, Feb 5, 1981, 8:53 AM GMT+8 (00:53 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.9 12 km SW of San Teodoro, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1981-02-05 00:53:33 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 13.521° N, 120.204° 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
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 3 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001c1h. Read Tue, Sep 22, 2026, 9:15 PM UTC.