M5.4 earthquake 7 km WSW of Sangay, Philippines
A magnitude 5.4 earthquake struck 7 km WSW of Sangay, Philippines on Tue, Apr 25, 1978, 8:34 AM GMT+8 (00:34 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (mb), moderate
- Local time
- UTC
- 1978-04-25 00:34:15 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 6.414° N, 123.985° 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
- 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
- OPERATOR_ASSIGNED
- Stations used
- 130
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.4 and up: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.533 km W of Sangay, Philippines · 17683 days ago · 33 km deep · 27 km away
- 5.023 km WSW of Sangay, Philippines · 17682 days ago · 43 km deep · 16 km away
- 4.59 km NNE of Gadung, Philippines · 17669 days ago · 563 km deep · 53 km away
- 5.355 km WSW of Sangay, Philippines · 17656 days ago · 572 km deep · 49 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000u8m (also filed as gcmtb042578a, gcmt19780425003415, atlas19780425003415, iscgem684187). Read Tue, Sep 22, 2026, 5:21 PM UTC.