Philippines earthquakes

M5.5 earthquake 45 km ESE of San Ignacio, Philippines

A magnitude 5.5 earthquake struck 45 km ESE of San Ignacio, Philippines on Sat, Jan 6, 2001, 6:51 AM GMT+8 (22:51 UTC), 84 km (52 mi) below the surface.

A larger quake followed: M5.6 55 km ESE of Tarragona, 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: 5.5 (mwc), moderate
Local time: Sat, Jan 6, 2001, 6:51 AM GMT+8
UTC: 2001-01-05 22:51:53 UTC
Depth: 83.6 km (51.9 mi), intermediate-depth
Epicenter: 6.917° N, 126.842° 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: Oblique reverse
Nodal plane 1: Strike 225°, dip 33°, rake 135°
Nodal plane 2: Strike 355°, dip 67°, rake 65°

How well it is located

Reviewed by a seismologist.

Depth from: FROM_LOCATION
Stations used: 68

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 33 in the 60 days after this one and 20 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000a76f (also filed as gcmtb010501f, gcmt20010105225153, iscgem1763287). Read Tue, Sep 22, 2026, 8:56 PM UTC.