Monday, September 9, 1963 at 3:50 AM
1963-09-08 19:50 UTC · -23.590°, -179.976°
Magnitude
6.4 mw
Major
Depth
545 km
Deep
Energy
64.3 kilotons of TNT
Gutenberg–Richter
Coordinates
-23.590°, -179.976°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 545 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: Philippine Trench (~6625 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
1 recorded M4.0+ event within 307 km in the 90 days after this earthquake.
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.