Philippines earthquakes

M5.5 earthquake 31 km ENE of Bacolod, Philippines

A magnitude 5.5 earthquake struck 31 km ENE of Bacolod, Philippines on Wed, Feb 20, 1991, 7:43 PM GMT+8 (11:43 UTC), 38 km (24 mi) below the surface.

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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 (mw), moderate
Local time: Wed, Feb 20, 1991, 7:43 PM GMT+8
UTC: 1991-02-20 11:43:25 UTC
Depth: 38.1 km (23.7 mi), shallow
Epicenter: 9.047° N, 126.551° E
Region: Philippines
Strongest shaking: IV, light shaking
Tsunami flag: No
Status: Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated: IV, light shaking
Peak ground acceleration: 3.3% of gravity
Peak ground velocity: 0.8 cm/s
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

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: CONSTRAINED_BY_DEPTH_PHASES

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 14 in the 60 days after this one and 11 in the 30 days before it.

After

Before

Earthquakes today Philippines earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0004n63 (also filed as gcmtb022091b, gcmt19910220114326, iscgem342136). Read Wed, Sep 30, 2026, 5:46 AM UTC.