M4.5 earthquake 58 km ESE of Santiago, Philippines
A magnitude 4.5 earthquake struck 58 km ESE of Santiago, Philippines on Mon, Apr 28, 2003, 9:35 PM GMT+8 (13:35 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.8 30 km SE of Manay, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2003-04-28 13:35:04 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 7.057° N, 127.050° E
- Region
- Philippines
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
What happened
The USGS’s account of the effects of this earthquake.
no people dead or missing; no people injured; no buildings damaged or destroyed
From the USGS event page for usp000bw4y. U.S. Geological Survey text and figures are in the public domain.
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
- 141°
- Stations used
- 11
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 2 in the 30 days before it.
After
- 4.830 km SE of Manay, Philippines · 8556 days ago · 33 km deep · 32 km away
- 4.480 km E of Pondaguitan, Philippines · 8544 days ago · 33 km deep · 88 km away
- 4.760 km E of Pondaguitan, Philippines · 8524 days ago · 54 km deep · 80 km away
- 4.771 km E of Pondaguitan, Philippines · 8524 days ago · 211 km deep · 73 km away
- 4.374 km ESE of Santiago, Philippines · 8507 days ago · 33 km deep · 23 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000bw4y. Read Fri, Oct 2, 2026, 1:08 PM UTC.