Monday, August 9, 1971 at 12:37 AM
1971-08-08 16:37 UTC · -7.132°, 129.129°
Magnitude
5.7 mw
Strong
Depth
183 km
Intermediate
Energy
4.5 kilotons of TNT
Gutenberg–Richter
Coordinates
-7.132°, 129.129°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 183 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 (~1361 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
2 recorded M4.0+ events within 276 km in the 90 days after this earthquake.
No other recent earthquakes nearby.
Browse all earthquakes →Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.