Saturday, August 21, 1976 at 10:24 AM
1976-08-21 02:24 UTC · 7.609°, 123.815°
Magnitude
4.6 mb
Moderate
Depth
80 km
Intermediate
Energy
120 tons of TNT
Gutenberg–Richter
Coordinates
7.609°, 123.815°
Felt reports
—
Tsunami
No
Source
USGS
Region
Mindanao
Felt widely; can cause minor damage to weak structures.
At 80 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 Fault Zone (~161 km away). Last major event: 1990 Luzon Earthquake (M7.8).
Area seismic-hazard score: 33/100 (moderate).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.