Sunday, August 16, 1987 at 6:49 PM
1987-08-16 10:49 UTC · 3.600°, 123.854°
Magnitude
4.6 mb
Moderate
Depth
425 km
Deep
Energy
120 tons of TNT
Gutenberg–Richter
Coordinates
3.600°, 123.854°
Felt reports
—
Tsunami
No
Source
USGS
Region
Celebes Sea
Felt widely; can cause minor damage to weak structures.
At 425 km this was a deep earthquake. Deep quakes are felt over very large areas but rarely cause surface damage.
This event sits in the Moderate range of the moment magnitude scale.
Nearest mapped structure: Cotabato Trench (~157 km away).
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.