Thursday, October 8, 2009 at 5:41 AM
2009-10-07 21:41 UTC · 4.079°, 122.371°
Magnitude
6.8 mwc
Major
Depth
574 km
Deep
Energy
239.0 kilotons of TNT
Gutenberg–Richter
Coordinates
4.079°, 122.371°
Felt reports
—
Tsunami
No
Source
USGS
Region
Celebes Sea
Can cause serious damage over larger areas.
At 574 km this was a deep earthquake. Deep quakes are felt over very large areas but rarely cause surface damage.
This event sits in the Major range of the moment magnitude scale.
Nearest mapped structure: Cotabato Trench (~172 km away).
Area seismic-hazard score: 18/100 (low).
3 recorded M4.0+ events within 322 km in the 90 days after this earthquake.
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.