M6.3 earthquake 3 km W of Ganassi, Philippines
A magnitude 6.3 earthquake struck 3 km W of Ganassi, Philippines on Mon, Apr 11, 1955, 1:38 AM GMT+8 (17:38 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
- 6.3 (mw), strong
- Local time
- UTC
- 1955-04-10 17:38:17 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 7.826° N, 124.074° 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
- 23.8% of gravity
- Peak ground velocity
- 3.2 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
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.3 and up: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem889411. Read Sun, Sep 27, 2026, 5:45 AM UTC.