Saturday, November 11, 1922 at 12:32 PM
1922-11-11 04:32 UTC ยท -28.293ยฐ, -69.852ยฐ
Magnitude
8.5 mw
Extreme
Depth
70 km
Intermediate
Energy
84.8 megatons of TNT
GutenbergโRichter
Coordinates
-28.293ยฐ, -69.852ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Among the largest earthquakes ever recorded.
At 70 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: Philippine Trench (~16966 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
3 recorded M4.0+ events within 390 km in the 90 days after this earthquake.
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.