Monday, March 30, 1981 at 4:46 PM
1981-03-30 08:46 UTC · 4.985°, 125.982°
Magnitude
4.5 mb
Moderate
Depth
132 km
Intermediate
Energy
85 tons of TNT
Gutenberg–Richter
Coordinates
4.985°, 125.982°
Felt reports
—
Tsunami
No
Source
USGS
Region
Mindanao
Felt widely; can cause minor damage to weak structures.
At 132 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: Cotabato Trench (~123 km away).
Area seismic-hazard score: 37/100 (moderate).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.