M5.7 earthquake 30 km ENE of Biri, Philippines
A magnitude 5.7 earthquake struck 30 km ENE of Biri, Philippines on Sat, Feb 24, 1979, 6:36 AM GMT+8 (22:36 UTC), 26 km (16 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.7 (ms), moderate
- Local time
- UTC
- 1979-02-23 22:36:30 UTC
- Depth
- 26.0 km (16.2 mi), shallow
- Epicenter
- 12.829° N, 124.599° E
- Region
- Philippines
- Strongest shaking
- V, moderate 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
- V, moderate shaking
- Peak ground acceleration
- 8.6% of gravity
- Peak ground velocity
- 1.8 cm/s
- Map
- Automatic

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
- CONSTRAINED_BY_DEPTH_PHASES
- Stations used
- 141
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.7 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000yzh (also filed as gcmtb022379b, gcmt19790223223630, atlas19790223223632, iscgem670170). Read Thu, Oct 1, 2026, 2:08 AM UTC.