ALEUTIANS WEST CENSUS AREA, AK — A 5.8 magnitude quake occurred close to Adak on Saturday afternoon, the U.S. Geological Survey reported.

The tremor struck the area at 4:42 a.m. (4:42 p.m. local time). It occurred at a depth of 24 miles with the epicenter roughly 185 miles west-southwest of Adak. Seismologists first reported it as a 5.3 event, but later upgraded it to 5.8.

Did you feel it?

Those who noticed the earthquake are encouraged to report it through the USGS Felt Report form.

Impact and estimated losses

The USGS categorized this as a Green Alert, which means there is a low likelihood of casualties and damage.

Structure information summary
Most structures in this region are resistant to earthquake shaking, though vulnerable structures exist. The predominant vulnerable building types are unreinforced brick masonry and reinforced masonry construction.

Source: The U.S. Geological Survey