Saturday, November 23, 1963 at 3:50 PM
1963-11-23 07:50 UTC · 29.919°, -113.915°
Magnitude
6.1 mw
Major
Depth
15 km
Shallow
Energy
24.5 kilotons of TNT
Gutenberg–Richter
Coordinates
29.919°, -113.915°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 15 km this was a shallow earthquake. Shallow quakes concentrate shaking near the epicentre and tend to be the most damaging.
This event sits in the Major range of the moment magnitude scale.
Nearest mapped structure: Casiguran Fault (~12110 km away). Last major event: 1968 Casiguran Earthquake (M7.3).
Area seismic-hazard score: 8/100 (low).
No other recent earthquakes nearby.
Browse all earthquakes →Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.