Thursday, November 21, 1991 at 8:38 PM
1991-11-21 12:38 UTC · 5.782°, 126.832°
Magnitude
6.3 mwb
Major
Depth
73 km
Intermediate
Energy
42.5 kilotons of TNT
Gutenberg–Richter
Coordinates
5.782°, 126.832°
Felt reports
—
Tsunami
No
Source
USGS
Region
Mindanao
Can cause serious damage over larger areas.
At 73 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 Major range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~27 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 43/100 (high).
20 recorded M4.0+ events within 302 km in the 90 days after this earthquake.
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.