Wednesday, August 20, 1969 at 3:50 PM
1969-08-20 07:50 UTC · 47.941°, 153.680°
Magnitude
6.3 mw
Major
Depth
105 km
Intermediate
Energy
45.5 kilotons of TNT
Gutenberg–Richter
Coordinates
47.941°, 153.680°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 105 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: Manila Trench (~4216 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
1 recorded M4.0+ event within 303 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.