Tuesday, February 1, 1977 at 7:53 AM
1977-01-31 23:53 UTC · 5.976°, 125.303°
Magnitude
5.1 mb
Strong
Depth
142 km
Intermediate
Energy
674 tons of TNT
Gutenberg–Richter
Coordinates
5.976°, 125.303°
Felt reports
—
Tsunami
No
Source
USGS
Region
Mindanao
Can cause damage to buildings and infrastructure near the epicentre.
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 Strong range of the moment magnitude scale.
Nearest mapped structure: Cotabato Trench (~63 km away).
Area seismic-hazard score: 52/100 (high).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.