Thursday, December 31, 1987 at 2:17 AM
1987-12-30 18:17 UTC · 12.389°, 125.176°
Magnitude
4.5 mb
Moderate
Depth
129 km
Intermediate
Energy
85 tons of TNT
Gutenberg–Richter
Coordinates
12.389°, 125.176°
Felt reports
—
Tsunami
No
Source
USGS
Region
Luzon
Felt widely; can cause minor damage to weak structures.
At 129 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 (~203 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 20/100 (low).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.