Friday, October 31, 1975 at 10:23 PM
1975-10-31 14:23 UTC · 12.122°, 126.420°
Magnitude
4.9 mb
Moderate
Depth
84 km
Intermediate
Energy
338 tons of TNT
Gutenberg–Richter
Coordinates
12.122°, 126.420°
Felt reports
—
Tsunami
No
Source
USGS
Region
Luzon
Felt widely; can cause minor damage to weak structures.
At 84 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 Moderate range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~64 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 32/100 (moderate).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.