M4.9 earthquake 12 km SW of San Teodoro, Philippines
A magnitude 4.9 earthquake struck 12 km SW of San Teodoro, Philippines on Wed, Feb 18, 1981, 5:37 AM GMT+8 (21:37 UTC), 260 km (162 mi) below the surface.
A larger quake followed: M5.6 5 km SSW of Balayan, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1981-02-17 21:37:31 UTC
- Depth
- 260.2 km (161.7 mi), intermediate-depth
- Epicenter
- 13.350° N, 120.931° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.65 km SSW of Balayan, Philippines · 16629 days ago · 144 km deep · 66 km away
- 4.712 km W of Tayaman, Philippines · 16627 days ago · 71 km deep · 53 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001c8c. Read Tue, Sep 22, 2026, 7:04 AM UTC.