Friday, March 11, 1988 at 8:58 PM
1988-03-11 12:58 UTC · 3.479°, 124.129°
Magnitude
4.7 mb
Moderate
Depth
394 km
Deep
Energy
169 tons of TNT
Gutenberg–Richter
Coordinates
3.479°, 124.129°
Felt reports
—
Tsunami
No
Source
USGS
Region
Celebes Sea
Felt widely; can cause minor damage to weak structures.
At 394 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 (~170 km away).
Area seismic-hazard score: 18/100 (low).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.