The quake struck at about 8:11 a.m. local time at a depth of 69 kilometers (43 miles), according to the USGS. Its epicenter was located 12 kilometers (7 miles) west-northwest of Susitna, Alaska, an area about 67 miles (108 kilometers) northwest of the city. There were no immediate reports of significant damage.
Municipal inspectors also did not find any issues in key public infrastructure after the earthquake, according to a social media post by Anchorage Mayor Suzanne LaFrance.