Saturday, January 30, 1971 at 5:58 AM
1971-01-29 21:58 UTC ยท 51.621ยฐ, 151.011ยฐ
Magnitude
6.9 mw
Major
Depth
539 km
Deep
Energy
294.0 kilotons of TNT
GutenbergโRichter
Coordinates
51.621ยฐ, 151.011ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Can cause serious damage over larger areas.
At 539 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: Manila Trench (~4289 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
No other recent earthquakes nearby.
Browse all earthquakes โData from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.