Monday, September 20, 1976 at 1:06 PM
1976-09-20 05:06 UTC · 3.861°, 125.731°
Magnitude
4.7 mb
Moderate
Depth
181 km
Intermediate
Energy
169 tons of TNT
Gutenberg–Richter
Coordinates
3.861°, 125.731°
Felt reports
—
Tsunami
No
Source
USGS
Region
Celebes Sea
Felt widely; can cause minor damage to weak structures.
At 181 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 (~199 km away).
Area seismic-hazard score: 17/100 (low).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.