Thursday, September 16, 1971 at 2:22 PM
1971-09-16 06:22 UTC · -5.934°, 130.635°
Magnitude
6.9 mw
Major
Depth
129 km
Intermediate
Energy
326.1 kilotons of TNT
Gutenberg–Richter
Coordinates
-5.934°, 130.635°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 129 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 (~1265 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
1 recorded M4.0+ event within 326 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.