Sunday, December 22, 1991 at 12:46 AM
1991-12-21 16:46 UTC · -4.960°, 151.510°
Magnitude
5.1 mb
Strong
Depth
135 km
Intermediate
Energy
674 tons of TNT
Gutenberg–Richter
Coordinates
-4.960°, 151.510°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 135 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 Strong range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~2887 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.