Saturday, November 1, 1975 at 12:40 AM
1975-10-31 16:40 UTC · 12.501°, 125.861°
Magnitude
4.7 mb
Moderate
Depth
111 km
Intermediate
Energy
169 tons of TNT
Gutenberg–Richter
Coordinates
12.501°, 125.861°
Felt reports
—
Tsunami
No
Source
USGS
Region
Luzon
Felt widely; can cause minor damage to weak structures.
At 111 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 (~136 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 23/100 (moderate).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.