Shallow M6.1 earthquake hits Andreanof Islands, Alaska

A strong and shallow earthquake registered by the USGS as M6.1 hit off the coast of Amatignak Island, Alaska at 08:45 UTC on May 23, 2019. The agency is reporting a depth of 27.8 km (17.3 miles). EMSC is reporting M6.1 at a depth of 56 km (34.8 miles).

The epicenter was located 130 km (81 miles) WSW of Adak, Alaska and 1 470 km (914 miles) ESE of Klyuchi, Russia.

There are no people living within 100 km (62 miles).

There is no tsunami threat from this earthquake.

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.

Estimated population exposure to earthquake shaking

Regional seismicity

Featured image credit: Google, TW/SAM