Saturday, November 21, 1964 at 10:16 AM
1964-11-21 02:16 UTC · 1.049°, 123.948°
Magnitude
5.5 mw
Strong
Depth
248 km
Intermediate
Energy
2.8 kilotons of TNT
Gutenberg–Richter
Coordinates
1.049°, 123.948°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 248 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 Strong range of the moment magnitude scale.
Nearest mapped structure: Cotabato Trench (~439 km away).
Area seismic-hazard score: 8/100 (low).
1 recorded M4.0+ event within 270 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.