M4.8 earthquake 67 km NNW of Claveria, Philippines
A magnitude 4.8 earthquake struck 67 km NNW of Claveria, Philippines on Thu, Oct 1, 1981, 6:42 AM GMT+8 (22:42 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.1 63 km N of Namuac, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1981-09-30 22:42:21 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 19.206° N, 120.942° 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.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.163 km N of Namuac, Philippines · 16413 days ago · 23 km deep · 26 km away
- 3.7149 km NNW of Pagudpud, Philippines · 16396 days ago · 33 km deep · 89 km away
- 6.521 km NNE of Pagudpud, Philippines · 16375 days ago · 24 km deep · 52 km away
- 3.736 km NNW of Claveria, Philippines · 16375 days ago · 33 km deep · 32 km away
- 3.825 km NNW of Pagudpud, Philippines · 16374 days ago · 33 km deep · 53 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001g7f. Read Tue, Sep 22, 2026, 8:34 PM UTC.