Wednesday, December 24, 1986 at 4:39 AM
1986-12-23 20:39 UTC · 4.106°, 125.823°
Magnitude
4.9 mb
Moderate
Depth
148 km
Intermediate
Energy
338 tons of TNT
Gutenberg–Richter
Coordinates
4.106°, 125.823°
Felt reports
—
Tsunami
No
Source
USGS
Region
Celebes Sea
Felt widely; can cause minor damage to weak structures.
At 148 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 (~180 km away).
Area seismic-hazard score: 22/100 (moderate).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.