M6.4 earthquake 7 km ENE of Ambuclao, Philippines
A magnitude 6.4 earthquake struck 7 km ENE of Ambuclao, Philippines on Wed, Jan 16, 1929, 4:06 PM GMT+8 (08:06 UTC), 25 km (16 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.4 (mw), strong
- Local time
- UTC
- 1929-01-16 08:06:11 UTC
- Depth
- 25.0 km (15.5 mi), shallow
- Epicenter
- 16.510° N, 120.812° E
- Region
- Philippines
- Strongest shaking
- VI, 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
- VI, strong shaking
- Peak ground acceleration
- 22.0% of gravity
- Peak ground velocity
- 2.9 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
- ±0.48
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.4 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 iscgem907857. Read Tue, Sep 29, 2026, 4:00 AM UTC.