Friday, March 11, 2011 at 11:39 PM
2011-03-11 15:39 UTC · 36.469°, 141.824°
Magnitude
4.9 mb
Moderate
Depth
31 km
Shallow
Energy
338 tons of TNT
Gutenberg–Richter
Coordinates
36.469°, 141.824°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Felt widely; can cause minor damage to weak structures.
At 31 km this was a shallow earthquake. Shallow quakes concentrate shaking near the epicentre and tend to be the most damaging.
This event sits in the Moderate range of the moment magnitude scale.
Nearest mapped structure: Manila Trench (~2725 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.