Sunday, March 22, 1981 at 6:52 AM
1981-03-21 22:52 UTC · -5.450°, 146.715°
Magnitude
6.0 mb
Major
Depth
227 km
Intermediate
Energy
15.1 kilotons of TNT
Gutenberg–Richter
Coordinates
-5.450°, 146.715°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 227 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 Major range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~2430 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
5 recorded M4.0+ events within 290 km in the 90 days after this earthquake.
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.