Friday, March 11, 1983 at 4:29 PM
1983-03-11 08:29 UTC · 5.521°, 126.493°
Magnitude
4.6 mb
Moderate
Depth
71 km
Intermediate
Energy
120 tons of TNT
Gutenberg–Richter
Coordinates
5.521°, 126.493°
Felt reports
—
Tsunami
No
Source
USGS
Region
Mindanao
Felt widely; can cause minor damage to weak structures.
At 71 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 Trench (~74 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 42/100 (high).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.