Friday, August 15, 1986 at 9:34 PM
1986-08-15 13:34 UTC · 4.207°, 124.615°
Magnitude
4.2 mb
Moderate
Depth
346 km
Deep
Energy
30 tons of TNT
Gutenberg–Richter
Coordinates
4.207°, 124.615°
Felt reports
—
Tsunami
No
Source
USGS
Region
Celebes Sea
Felt widely; can cause minor damage to weak structures.
At 346 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 (~109 km away).
Area seismic-hazard score: 26/100 (moderate).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.