Thursday, December 18, 1969 at 9:32 PM
1969-12-18 13:32 UTC · 46.254°, 142.423°
Magnitude
6.3 mw
Major
Depth
345 km
Deep
Energy
50.5 kilotons of TNT
Gutenberg–Richter
Coordinates
46.254°, 142.423°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 345 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 (~3426 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.