Philippines earthquakes

M5.1 earthquake 60 km SE of Bobon, Philippines

A magnitude 5.1 earthquake struck 60 km SE of Bobon, Philippines on Thu, Mar 28, 2002, 1:23 AM GMT+8 (17:23 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.6 9 km ENE of Santiago, Philippines. This one was a foreshock.

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Map

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

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The earthquake

Magnitude: 5.1 (mwc), moderate
Local time: Thu, Mar 28, 2002, 1:23 AM GMT+8
UTC: 2002-03-27 17:23:06 UTC
Depth: 33.0 km (20.5 mi), shallow
Epicenter: 6.512° N, 126.748° 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.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Normal
Nodal plane 1: Strike 326°, dip 8°, rake -118°
Nodal plane 2: Strike 174°, dip 83°, rake -86°

How well it is located

Reviewed by a seismologist.

Depth from: OPERATOR_ASSIGNED
Stations used: 36

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 10 in the 60 days after this one and 8 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000b16p (also filed as gcmtb032702c, gcmt20020327172306, iscgem2942844). Read Wed, Sep 30, 2026, 5:30 PM UTC.