Sunday, November 21, 1971 at 2:20 PM
1971-11-21 06:20 UTC · -11.926°, 166.568°
Magnitude
6.1 mw
Major
Depth
117 km
Intermediate
Energy
19.9 kilotons of TNT
Gutenberg–Richter
Coordinates
-11.926°, 166.568°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 117 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 (~4712 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
9 recorded M4.0+ events within 293 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.