M4.9 earthquake 12 km WNW of Boston, Philippines
A magnitude 4.9 earthquake struck 12 km WNW of Boston, Philippines on Thu, Mar 13, 2003, 8:01 AM GMT+8 (00:01 UTC), 43 km (27 mi) below the surface.
A larger quake followed: M5.1 11 km E of Baganga, 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
- 2003-03-13 00:01:45 UTC
- Depth
- 43.1 km (26.8 mi), shallow
- Epicenter
- 7.901° N, 126.256° 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.
- Station coverage gap
- 110°
- Stations used
- 58
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.111 km E of Baganga, Philippines · 8572 days ago · 90 km deep · 57 km away
- 4.16 km N of Unidad, Philippines · 8566 days ago · 200 km deep · 77 km away
- 4.58 km ENE of Tombongon, Philippines · 8557 days ago · 33 km deep · 91 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000bshm. Read Wed, Sep 30, 2026, 9:38 AM UTC.