M4.3 earthquake 30 km SE of Bobon, Philippines
A magnitude 4.3 earthquake struck 30 km SE of Bobon, Philippines on Sun, Dec 31, 1989, 9:20 PM GMT+8 (13:20 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.2 21 km ESE of Pondaguitan, 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), light
- Local time
- UTC
- 1989-12-31 13:20:36 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 6.713° N, 126.559° 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: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.836 km SE of Lukatan, Philippines · 13420 days ago · 64 km deep · 17 km away
- 4.724 km SE of Bobon, Philippines · 13417 days ago · 107 km deep · 9 km away
- 4.310 km NNW of San Ignacio, Philippines · 13393 days ago · 99 km deep · 56 km away
- 5.0Mindanao, Philippines · 13384 days ago · 33 km deep · 72 km away
- 5.221 km ESE of Pondaguitan, Philippines · 13375 days ago · 88 km deep · 54 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00043st. Read Mon, Sep 28, 2026, 11:51 AM UTC.