Tuesday, September 26, 1989 at 10:39 AM
1989-09-26 02:39 UTC · 4.123°, 123.460°
Magnitude
4.6 mb
Moderate
Depth
570 km
Deep
Energy
120 tons of TNT
Gutenberg–Richter
Coordinates
4.123°, 123.460°
Felt reports
—
Tsunami
No
Source
USGS
Region
Celebes Sea
Felt widely; can cause minor damage to weak structures.
At 570 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 (~114 km away).
Area seismic-hazard score: 25/100 (moderate).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.