The epicenter was located 52 miles east of Old Iliamna, Alaska. Magnitude-7.1 earthquake strikes near Alaska early Sunday The earthquake was felt in Anchorage and caused power outages in the region. At least 10,000 customers were without electricity in the Anchorage area on Sunday morning, utilities reported. Anchorage firefighters responded to numerous reports of gas odors, alarm systems sounding and broken water lines, the department said on its Twitter feed.