Friday, September 8, 1961 at 7:26 PM
1961-09-08 11:26 UTC ยท -56.332ยฐ, -27.345ยฐ
Magnitude
7.1 mw
Great
Depth
101 km
Intermediate
Energy
673.6 kilotons of TNT
GutenbergโRichter
Coordinates
-56.332ยฐ, -27.345ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Can cause severe, widespread destruction and loss of life.
At 101 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 Great range of the moment magnitude scale.
Nearest mapped structure: Cotabato Trench (~13773 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.