Monday, September 27, 1971 at 10:56 PM
1971-09-27 14:56 UTC · -5.822°, 145.452°
Magnitude
5.7 mw
Strong
Depth
110 km
Intermediate
Energy
4.8 kilotons of TNT
Gutenberg–Richter
Coordinates
-5.822°, 145.452°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 110 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: Philippine Trench (~2328 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
1 recorded M4.0+ event within 277 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.