Saturday, March 28, 1964 at 7:30 PM
1964-03-28 11:30 UTC · 0.418°, 122.174°
Magnitude
6.7 mw
Major
Depth
115 km
Intermediate
Energy
157.9 kilotons of TNT
Gutenberg–Richter
Coordinates
0.418°, 122.174°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 115 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: Cotabato Trench (~548 km away).
Area seismic-hazard score: 8/100 (low).
1 recorded M4.0+ event within 317 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.