Monday, March 16, 1964 at 4:44 PM
1964-03-16 08:44 UTC · 44.473°, 147.179°
Magnitude
6.1 mw
Major
Depth
142 km
Intermediate
Energy
19.9 kilotons of TNT
Gutenberg–Richter
Coordinates
44.473°, 147.179°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 142 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 (~3587 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
4 recorded M4.0+ events within 293 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.