Wednesday, March 18, 1964 at 12:37 PM
1964-03-18 04:37 UTC · 52.490°, 153.566°
Magnitude
6.4 mw
Major
Depth
428 km
Deep
Energy
52.3 kilotons of TNT
Gutenberg–Richter
Coordinates
52.490°, 153.566°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 428 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: Manila Trench (~4487 km away). Last major event: 1934 Manila Trench Earthquake.
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.