M5.0 earthquake 23 km WSW of Sangay, Philippines
A magnitude 5.0 earthquake struck 23 km WSW of Sangay, Philippines on Tue, Apr 25, 1978, 11:33 PM GMT+8 (15:33 UTC), 43 km (27 mi) below the surface.
A larger quake followed: M5.3 55 km WSW of Sangay, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.0 (mb), moderate
- Local time
- UTC
- 1978-04-25 15:33:25 UTC
- Depth
- 43.0 km (26.7 mi), shallow
- Epicenter
- 6.335° N, 123.860° E
- Region
- Philippines
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Stations used
- 28
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.0 and up: 2 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.59 km NNE of Gadung, Philippines · 17668 days ago · 563 km deep · 65 km away
- 5.355 km WSW of Sangay, Philippines · 17656 days ago · 572 km deep · 32 km away
Before
- 4.533 km W of Sangay, Philippines · 17682 days ago · 33 km deep · 15 km away
- 5.47 km WSW of Sangay, Philippines · 17682 days ago · 33 km deep · 16 km away
- 5.324 km W of Gadung, Philippines · 17703 days ago · 46 km deep · 50 km away
- 5.626 km W of Gadung, Philippines · 17703 days ago · 43 km deep · 51 km away
- 5.252 km WSW of Gadung, Philippines · 17710 days ago · 602 km deep · 53 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000u91. Read Tue, Sep 22, 2026, 4:56 AM UTC.