Saturday, September 12, 1964 at 8:43 PM
1964-09-12 12:43 UTC · -4.459°, 144.010°
Magnitude
6.6 mw
Major
Depth
109 km
Intermediate
Energy
137.5 kilotons of TNT
Gutenberg–Richter
Coordinates
-4.459°, 144.010°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 109 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 Major range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~2114 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.