Wednesday, August 31, 2011 at 5:32 PM
2011-08-31 09:32 UTC · 35.459°, 139.935°
Magnitude
4.7 mb
Moderate
Depth
72 km
Intermediate
Energy
169 tons of TNT
Gutenberg–Richter
Coordinates
35.459°, 139.935°
Felt reports
33
“Did You Feel It?”
Tsunami
No
Source
USGS
Region
—
Felt widely; can cause minor damage to weak structures.
At 72 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: Manila Trench (~2522 km away). Last major event: 1934 Manila Trench Earthquake.
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.