Strong M6.3 earthquake hits Rat Islands, Aleutian Islands, Alaska

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A strong earthquake registered by the USGS as M6.2 hit Rat Islands, Aleutian Islands, Alaska at 18:40 UTC on December 14, 2022. The agency is reporting a depth of 83.7 km (52 miles). EMSC is reporting M6.1 at a depth of 80 km (49.7 miles).

The epicenter was located 325.1 km (202 miles) W of Adak, U.S., and 1 265.6 km (786.4 miles) ESE of Klyuchi, Russia.

A tsunami is not expected, NWS National Tsunami Warning Center said.

The USGS issued a Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.

Overall, the population in this region resides in structures that are resistant to earthquake shaking, though vulnerable structures exist. The predominant vulnerable building types are unreinforced brick masonry and reinforced masonry construction.

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Regional seismicity

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Featured image credit: TW/SAM, Google


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