Earthquake in Alaska: a preliminary magnitude 7.8 earthquake strikes off the coast of Alaska | Instant News

The quake was centered 60 miles or 98 kilometres South-South-East, Perryville, Alaska, according to the U.S. Geological survey. The earthquake is considered shallow, about six miles or 10 kilometers deep.

“Anything below 70 km is small shiver,” a CNN meteorologist Allison Chinchar said. “This is important because small earthquakes often cause the most damage compared to those that are deeper, regardless of the strength.”

A tsunami warning was issued after the earthquake, according National oceanic and atmospheric administration. Warning for southern Alaska and Alaska Peninsula-Pacific coast from Kennedy entrance, Alaska (40 miles South-West from Gomera) in Unimak pass, Alaska, according to the Center for the tsunami warning.

There is no threat to Hawaii, Washington, Oregon, and California, according to the National weather service.

Earthquakes are more likely to grow into a tsunami, if they are high value, shallow, thrust earthquake, not the earthquake shear, according to the U.S. Geological survey. Earthquakes between magnitudes 7.6 to 7.8 have the potential to produce a devastating tsunami.


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