Friday, August 17, 1906 at 8:11 AM
1906-08-17 00:11 UTC ยท 51.853ยฐ, 178.180ยฐ
Magnitude
8.3 mw
Extreme
Depth
110 km
Intermediate
Energy
42.5 megatons of TNT
GutenbergโRichter
Coordinates
51.853ยฐ, 178.180ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Among the largest earthquakes ever recorded.
At 110 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 Extreme range of the moment magnitude scale.
Nearest mapped structure: Manila Trench (~6003 km away). Last major event: 1934 Manila Trench Earthquake.
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.