Overview

• The quake struck at 12:38 pm AKDT on July 16 with a magnitude of 7.2 and a depth of 22 miles about 50 miles south of Sand Point.
• The National Tsunami Warning Center issued alerts for coastal zones from Kennedy Entrance to Unimak Pass, covering South Alaska and the Alaska Peninsula.
• USGS seismologists say the tremor resulted from thrust faulting along the Pacific–North America subduction interface beneath Alaska.
• Authorities are monitoring aftershocks in the region following the main quake.
• Lessons learned from similar events in 2023 and 2024 have driven upgrades to emergency alert systems and interagency coordination.