Thursday, August 13, 1964 at 8:31 AM
1964-08-13 00:31 UTC · -5.557°, 154.249°
Magnitude
7.0 mw
Major
Depth
388 km
Deep
Energy
415.3 kilotons of TNT
Gutenberg–Richter
Coordinates
-5.557°, 154.249°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 388 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 (~3194 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
3 recorded M4.0+ events within 328 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.