Friday, February 20, 1981 at 10:33 PM
1981-02-20 14:33 UTC · -19.820°, -175.588°
Magnitude
5.1 mb
Strong
Depth
241 km
Intermediate
Energy
674 tons of TNT
Gutenberg–Richter
Coordinates
-19.820°, -175.588°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 241 km this was a intermediate earthquake. Intermediate-depth quakes spread shaking over a wider area but are usually less destructive at the surface.
This event sits in the Strong range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~6901 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.