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M7

101 km SW of Atka, Alaska

101 km SW of Atka, Alaska

Major
Magnitude
7
Depth
0.0 km
Time
2013-08-30 16:25 UTC
Location
51.537°, -175.2297°
Tsunami
No
USGS ID
usb000jdt7

FAQ About This Earthquake

How strong was it?
M7 earthquake (classified as major). This magnitude can cause widespread damage.
Where was it?
The epicenter was at 101 km SW of Atka, Alaska, at a depth of 0 km.
When did it happen?
2013-08-30 16:25 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 earthquake struck 101 km SW of Atka, Alaska 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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