Saturday, November 20, 1971 at 3:28 PM
1971-11-20 07:28 UTC · -23.422°, -179.829°
Magnitude
6.5 mw
Major
Depth
545 km
Deep
Energy
76.5 kilotons of TNT
Gutenberg–Richter
Coordinates
-23.422°, -179.829°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 545 km this was a deep earthquake. Deep quakes are felt over very large areas but rarely cause surface damage.
This event sits in the Major range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~6631 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.