M4.9 earthquake 38 km ESE of Bobon, Philippines
A magnitude 4.9 earthquake struck 38 km ESE of Bobon, Philippines on Tue, Dec 23, 2003, 6:31 PM GMT+8 (10:31 UTC), 150 km (93 mi) below the surface.
A larger quake followed: M5.5 85 km E 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
- 4.9 (mb), light
- Local time
- UTC
- 2003-12-23 10:31:26 UTC
- Depth
- 150.0 km (93.2 mi), intermediate-depth
- Epicenter
- 6.699° N, 126.630° 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
- Station coverage gap
- 114°
- Stations used
- 41
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.878 km ESE of San Ignacio, Philippines · 8314 days ago · 56 km deep · 52 km away
- 4.4108 km E of Pondaguitan, Philippines · 8304 days ago · 46 km deep · 77 km away
- 4.5100 km ESE of Pondaguitan, Philippines · 8304 days ago · 41 km deep · 78 km away
- 4.420 km SE of Lukatan, Philippines · 8291 days ago · 104 km deep · 24 km away
- 5.585 km E of Pondaguitan, Philippines · 8280 days ago · 210 km deep · 57 km away
- 4.222 km ENE of Malita, Philippines · 8265 days ago · 110 km deep · 94 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000cfvd. Read Wed, Sep 30, 2026, 5:29 PM UTC.