M6.1 earthquake 14 km SW of Cayhagan, Philippines
A magnitude 6.1 earthquake struck 14 km SW of Cayhagan, Philippines on Sun, Mar 6, 1955, 6:55 PM GMT+8 (10:55 UTC), 15 km (9 mi) below the surface.
A larger quake followed: M6.3 11 km E of Bacuyangan, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.1 (mw), strong
- Local time
- UTC
- 1955-03-06 10:55:33 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 9.574° N, 122.347° 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
- 18.4% of gravity
- Peak ground velocity
- 2.8 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.
- Magnitude uncertainty
- ±0.25
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.1 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 iscgem889287. Read Tue, Sep 29, 2026, 6:25 AM UTC.