Sunday, September 26, 1971 at 11:25 PM
1971-09-26 15:25 UTC · 3.194°, 125.822°
Magnitude
5.6 mw
Strong
Depth
75 km
Intermediate
Energy
3.9 kilotons of TNT
Gutenberg–Richter
Coordinates
3.194°, 125.822°
Felt reports
—
Tsunami
No
Source
USGS
Region
Celebes Sea
Can cause damage to buildings and infrastructure near the epicentre.
At 75 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 (~270 km away).
Area seismic-hazard score: 8/100 (low).
2 recorded M4.0+ events within 274 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.