Thursday, October 15, 1981 at 10:57 AM
1981-10-15 02:57 UTC · 11.594°, 125.754°
Magnitude
4.4 mb
Moderate
Depth
56 km
Shallow
Energy
60 tons of TNT
Gutenberg–Richter
Coordinates
11.594°, 125.754°
Felt reports
—
Tsunami
No
Source
USGS
Region
Visayas
Felt widely; can cause minor damage to weak structures.
At 56 km this was a shallow earthquake. Shallow quakes concentrate shaking near the epicentre and tend to be the most damaging.
This event sits in the Moderate range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~121 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 28/100 (moderate).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.