ALEUTIANS EAST BOROUGH, AK — A 5.5 magnitude quake struck close to Akutan on Saturday night, according to the U.S. Geological Survey.

The tremor jolted at 8:05 a.m. (9:05 p.m. local time), with its epicenter approximately 56 miles southeast of Akutan and a depth of 20 miles. Seismologists first reported it as a 5.4 event, but later upgraded it to 5.5.

Did you feel it?

If you experienced the earthquake, you can submit a report via the USGS Felt Report form. So far, the agency has collected 12 online responses from people saying they experienced weak shaking. The USGS DYFI report shows that residents in a few cities, such as False Pass and Unalaska, felt the quake.

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.

Tremors past week

Seven quakes with a magnitude 2.5 or greater were detected in the region last week. The largest, measuring 3.4, rattled the same area on Apr. 22.

Area struck by 6.9 quake in 1993
Aleutians East Borough has faced powerful earthquakes before. On May 13, 1993, a magnitude 6.9 tremor struck south of Sand Point, at a depth of 20.1 miles.

Source: The U.S. Geological Survey