Philippines earthquakes

M6.4 earthquake 78 km ESE of Caburan, Philippines

A magnitude 6.4 earthquake struck 78 km ESE of Caburan, Philippines on Sun, Feb 20, 1983, 6:49 PM GMT+8 (10:49 UTC), 61 km (38 mi) below the surface.

A larger quake followed: M6.7 120 km SSE of Pondaguitan, Philippines. This one was a foreshock.

Malapatan forecast More in Philippines

Map

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

Open the live map with earthquakes

The earthquake

Magnitude: 6.4 (mw), strong
Local time: Sun, Feb 20, 1983, 6:49 PM GMT+8
UTC: 1983-02-20 10:49:54 UTC
Depth: 60.5 km (37.6 mi), shallow
Epicenter: 5.546° N, 126.246° 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: 4.2% of gravity
Peak ground velocity: 1.3 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.

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 16 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 usp0001t6s (also filed as gcmt19830220104954, iscgem583230). Read Tue, Sep 22, 2026, 9:16 AM UTC.