Overview
- The USGS placed the shallow mainshock at about 10 kilometers deep near Yakutat, roughly 230 miles northwest of Juneau and 155 miles west of Whitehorse at 11:41 a.m. local time.
- Seismic networks logged more than 160 tremors within 24 hours of the quake, with several aftershocks topping magnitude 5.0.
- Tsunami centers reported no threat, and no warnings or watches were issued for Alaska, British Columbia, or the U.S. West Coast.
- Officials reported no injuries or major damage in the remote, mountainous region, and the USGS issued a Green alert indicating low likelihood of casualties and significant losses.
- Yukon Highways and Public Works closed the South Klondike Highway overnight between kilometer 24 and kilometer 106 due to increased avalanche risk.