Saturday, December 12, 1987 at 4:57 AM
1987-12-11 20:57 UTC · 10.961°, 124.707°
Magnitude
4.9 mb
Moderate
Depth
71 km
Intermediate
Energy
338 tons of TNT
Gutenberg–Richter
Coordinates
10.961°, 124.707°
Felt reports
—
Tsunami
No
Source
USGS
Region
Visayas
Felt widely; can cause minor damage to weak structures.
At 71 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 Fault Zone (~92 km away). Last major event: 1990 Luzon Earthquake (M7.8).
Area seismic-hazard score: 53/100 (high).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.