Sunday, September 20, 1987 at 2:35 PM
1987-09-20 06:35 UTC · 6.421°, 125.240°
Magnitude
4.7 mb
Moderate
Depth
132 km
Intermediate
Energy
169 tons of TNT
Gutenberg–Richter
Coordinates
6.421°, 125.240°
Felt reports
—
Tsunami
No
Source
USGS
Region
Mindanao
Felt widely; can cause minor damage to weak structures.
At 132 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: Cotabato Trench (~106 km away).
Area seismic-hazard score: 55/100 (high).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.