Tuesday, April 21, 1981 at 4:55 PM
1981-04-21 08:55 UTC · 1.413°, 127.176°
Magnitude
5.0 mb
Strong
Depth
107 km
Intermediate
Energy
477 tons of TNT
Gutenberg–Richter
Coordinates
1.413°, 127.176°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 107 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 (~400 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.