M4.5 earthquake 40 km W of Gadung, Philippines

A magnitude 4.5 earthquake struck 40 km W of Gadung, Philippines on Tue, May 27, 2003, 7:49 AM GMT+8 (23:49 UTC), 621 km (386 mi) below the surface.

A larger quake followed: M5.3 14 km W of Taguisa, Philippines. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 5 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event usp000by85. Read Wed, Sep 30, 2026, 11:16 PM UTC.