Overview
- USGS logged about 164 earthquakes in the first 24 hours after the mainshock, including several above magnitude 5.
- The quake struck at 11:41 a.m. local time at roughly 10 km depth, about 90 km north of Yakutat and 230 miles northwest of Juneau.
- The National Tsunami Warning Center reported no tsunami danger for Alaska, British Columbia or the U.S. West Coast.
- Authorities reported no immediate injuries or widespread structural damage, though shaking was felt across southeast Alaska and Yukon, including 911 calls and items falling in Whitehorse.
- USGS issued a Green alert for low likelihood of casualties and losses, and parts of the South Klondike Highway were closed overnight for avalanche concerns.