Magnitude 3.4 - 28 miles NE of Shaktoolik

June 22, 2020 19:00:09 AKDT (June 23, 2020 03:00:09 UTC)
64.5786°N 160.3295°W Depth 4.3 miles (6 km)

This event has been reviewed by a seismologist

34 miles (55 km) SE of Koyuk
51 miles (82 km) W of Kaltag
51 miles (82 km) N of Unalakleet
57 miles (92 km) E of Elim
67 miles (108 km) W of Nulato
80 miles (129 km) E of Golovin (Cheenik)
80 miles (129 km) W of Koyukuk
81 miles (131 km) S of Buckland
91 miles (147 km) E of White Mountain
92 miles (149 km) NE of St. Michael
94 miles (152 km) NE of Stebbins
151 miles (244 km) E of Nome

Magnitude type: M_l²
Event type: earthquake

Tectonic Setting of Northwest Alaska

A wide, diffuse zone of seismicity extends from northwest Alaska across the Bering Strait into eastern Russia. This zone is believed to mark the northern boundary of the Bering microplate. Moderate-to-large normal faulting and strike-slip events have occurred in this region, including on the Seward Peninsula. The largest of these events was the 1958 M7.3 Huslia Earthquake. It was a normal faulting event that produced extensive failures in unconsolidated surficial deposits within a northeast-striking zone. In 2014, a vigorous earthquake swarm was recorded about 25 miles (40 km) north of Noatak on the Lisburne Peninsula.