Friday, August 31, 1990 at 1:11 AM
1990-08-30 17:11 UTC · 3.134°, 125.419°
Magnitude
4.9 mb
Moderate
Depth
192 km
Intermediate
Energy
338 tons of TNT
Gutenberg–Richter
Coordinates
3.134°, 125.419°
Felt reports
—
Tsunami
No
Source
USGS
Region
Celebes Sea
Felt widely; can cause minor damage to weak structures.
At 192 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 (~256 km away).
Area seismic-hazard score: 8/100 (low).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.