M4.0 earthquake 4 km W of Gadung, Philippines
A magnitude 4.0 earthquake struck 4 km W of Gadung, Philippines on Fri, Mar 21, 1986, 10:14 PM GMT+8 (14:14 UTC), 57 km (35 mi) below the surface.
A larger quake followed: M4.9 12 km WNW of Palimbang, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb), light
- Local time
- UTC
- 1986-03-21 14:14:35 UTC
- Depth
- 56.5 km (35.1 mi), shallow
- Epicenter
- 6.796° N, 123.980° 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
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.912 km WNW of Palimbang, Philippines · 14783 days ago · 522 km deep · 60 km away
- 4.410 km WSW of Bantogon, Philippines · 14749 days ago · 534 km deep · 35 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002s16. Read Wed, Sep 30, 2026, 7:10 PM UTC.