Saturday, August 22, 1981 at 9:36 AM
1981-08-22 01:36 UTC · 5.625°, 126.248°
Magnitude
4.5 mb
Moderate
Depth
109 km
Intermediate
Energy
85 tons of TNT
Gutenberg–Richter
Coordinates
5.625°, 126.248°
Felt reports
—
Tsunami
No
Source
USGS
Region
Mindanao
Felt widely; can cause minor damage to weak structures.
At 109 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 Moderate range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~93 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 45/100 (high).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.