Friday, September 4, 1981 at 7:15 PM
1981-09-04 11:15 UTC · 9.964°, 124.035°
Magnitude
6.0 mb
Major
Depth
645 km
Deep
Energy
15.1 kilotons of TNT
Gutenberg–Richter
Coordinates
9.964°, 124.035°
Felt reports
—
Tsunami
No
Source
USGS
Region
Visayas
Can cause serious damage over larger areas.
At 645 km this was a deep earthquake. Deep quakes are felt over very large areas but rarely cause surface damage.
This event sits in the Major range of the moment magnitude scale.
Nearest mapped structure: Central Philippine Fault (~2 km away). Last major event: 2013 Bohol Earthquake (M7.2).
Area seismic-hazard score: 82/100 (very high).
20 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.