Saturday, August 11, 1923 at 8:54 AM
1923-08-11 00:54 UTC · 5.252°, 118.260°
Magnitude
6.5 mw
Major
Depth
35 km
Shallow
Energy
100.8 kilotons of TNT
Gutenberg–Richter
Coordinates
5.252°, 118.260°
Felt reports
—
Tsunami
No
Source
USGS
Region
Mindanao
Can cause serious damage over larger areas.
At 35 km this was a shallow earthquake. Shallow quakes concentrate shaking near the epicentre and tend to be the most damaging.
This event sits in the Major range of the moment magnitude scale.
Nearest mapped structure: Cotabato Trench (~422 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.