M4.3 earthquake 16 km WNW of Andop, Philippines
A magnitude 4.3 earthquake struck 16 km WNW of Andop, Philippines on Wed, May 20, 1987, 8:48 PM GMT+8 (12:48 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.7 12 km SE of Cabanglasan, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1987-05-20 12:48:36 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 7.939° N, 125.628° 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 1.5 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000354u. Read Thu, Oct 1, 2026, 7:50 AM UTC.