Sunday, August 18, 1991 at 11:33 PM
1991-08-18 15:33 UTC · 0.066°, 123.200°
Magnitude
5.0 mb
Strong
Depth
177 km
Intermediate
Energy
477 tons of TNT
Gutenberg–Richter
Coordinates
0.066°, 123.200°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 177 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: Cotabato Trench (~556 km away).
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.