M5.6 earthquake 5 km SSW of Balayan, Philippines
A magnitude 5.6 earthquake struck 5 km SSW of Balayan, Philippines on Sat, Mar 14, 1981, 2:21 AM GMT+8 (18:21 UTC), 144 km (89 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.6 (mb), moderate
- Local time
- UTC
- 1981-03-13 18:21:39 UTC
- Depth
- 143.9 km (89.4 mi), intermediate-depth
- Epicenter
- 13.898° N, 120.706° E
- Region
- Philippines
- Strongest shaking
- IV, light shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Peak ground acceleration
- 1.2% of gravity
- Peak ground velocity
- -0.5 cm/s
- Map
- Automatic

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 2.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.712 km W of Tayaman, Philippines · 16626 days ago · 71 km deep · 78 km away
- 4.33 km W of Hukay, Philippines · 16587 days ago · 113 km deep · 7 km away
- 4.84 km NW of Tumalim, Philippines · 16580 days ago · 200 km deep · 24 km away
- 5.410 km W of Cabacao, Philippines · 16578 days ago · 60 km deep · 63 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001cph (also filed as gcmtb031381a, gcmt19810313182139, iscgem629813). Read Mon, Sep 21, 2026, 2:57 PM UTC.