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M7.9

47 km E of ?arai, Japan

47 km E of ?arai, Japan

Major
Magnitude
7.9
Depth
0.0 km
Time
2011-03-11 06:15 UTC
Location
36.281°, 141.111°
Tsunami
No
USGS ID
usp000hvpa

FAQ About This Earthquake

How strong was it?
M7.9 earthquake (classified as major). This magnitude can cause widespread damage.
Where was it?
The epicenter was at 47 km E of ?arai, Japan, at a depth of 0 km.
When did it happen?
2011-03-11 06:15 UTC.
Is this area earthquake-prone?
This region is located in a seismically active tectonic zone where plate interactions cause regular earthquake activity.
What should I do during an earthquake?
Drop, Cover, and Hold On. Drop to hands and knees, cover your head under sturdy furniture, and hold on until shaking stops.

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A M7.9 earthquake struck 47 km E of ?arai, Japan at a depth of 10 km. This early 21st century seismic event was recorded and analyzed by the US Geological Survey. This earthquake occurred in a subduction zone, where one plate descends beneath another into the mantle. Subduction zones generate the planet's most powerful earthquakes.

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