Wednesday, March 22, 1972 at 6:27 PM
1972-03-22 10:27 UTC · 49.043°, 153.590°
Magnitude
6.8 mw
Major
Depth
140 km
Intermediate
Energy
239.0 kilotons of TNT
Gutenberg–Richter
Coordinates
49.043°, 153.590°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 140 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: Manila Trench (~4275 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
2 recorded M4.0+ events within 322 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.