M5.2 earthquake 6 km N of Mahanob, Philippines
A magnitude 5.2 earthquake struck 6 km N of Mahanob, Philippines on Wed, May 31, 1978, 10:26 AM GMT+8 (02:26 UTC), 144 km (89 mi) below the surface.
A larger quake followed: M6.0 4 km WSW of Boston, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.2 (mb), moderate
- Local time
- UTC
- 1978-05-31 02:26:31 UTC
- Depth
- 144.0 km (89.5 mi), intermediate-depth
- Epicenter
- 7.632° N, 126.500° 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
- 54
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.2 and up: 3 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 usp0000uur. Read Tue, Sep 22, 2026, 10:44 AM UTC.