Monday, November 4, 1963 at 9:17 AM
1963-11-04 01:17 UTC ยท -6.957ยฐ, 129.605ยฐ
Magnitude
8.1 mw
Extreme
Depth
110 km
Intermediate
Energy
21.3 megatons of TNT
GutenbergโRichter
Coordinates
-6.957ยฐ, 129.605ยฐ
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: Philippine Trench (~1350 km away). Last major event: 2012 Samar Earthquake (M7.6).
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.