M4.6 earthquake 7 km W of Marihatag, Philippines
A magnitude 4.6 earthquake struck 7 km W of Marihatag, Philippines on Mon, Jul 20, 1981, 3:59 PM GMT+8 (07:59 UTC), 15 km (9 mi) below the surface.
A larger quake followed: M5.0 15 km E of Tigao, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1981-07-20 07:59:11 UTC
- Depth
- 14.6 km (9.1 mi), shallow
- Epicenter
- 8.816° N, 126.232° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.810 km E of San Miguel, Philippines · 16488 days ago · 97 km deep · 27 km away
- 5.015 km E of Tigao, Philippines · 16457 days ago · 68 km deep · 43 km away
- 5.058 km ENE of Aras-asan, Philippines · 16455 days ago · 54 km deep · 70 km away
- 4.916 km N of Cortes, Philippines · 16455 days ago · 73 km deep · 68 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001etu (also filed as iscgemsup623987). Read Thu, Sep 24, 2026, 12:21 PM UTC.