M4.6 earthquake 4 km WSW of Mapulo, Philippines
A magnitude 4.6 earthquake struck 4 km WSW of Mapulo, Philippines on Tue, Dec 31, 1985, 10:24 PM GMT+8 (14:24 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.7 5 km WNW of Tingloy, 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
- 1985-12-31 14:24:40 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 13.712° N, 121.143° 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 1.6 and up: 2 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 usp0002pmu. Read Thu, Sep 24, 2026, 5:03 AM UTC.