M6.7 earthquake 21 km SW of Calolbon, Philippines
A magnitude 6.7 earthquake struck 21 km SW of Calolbon, Philippines on Mon, Aug 2, 1926, 1:01 PM GMT+8 (05:01 UTC), 15 km (9 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.7 (mw), strong
- Local time
- UTC
- 1926-08-02 05:01:34 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 13.438° N, 123.990° E
- Region
- Philippines
- Strongest shaking
- VII, very strong 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
- VII, very strong shaking
- Peak ground acceleration
- 25.8% of gravity
- Peak ground velocity
- 3.4 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.
- Magnitude uncertainty
- ±0.29
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 1 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 iscgem909963. Read Tue, Sep 22, 2026, 5:09 AM UTC.