A landslide at Endicott Arm south of Juneau early Sunday morning caused a tsunami across much of Southeast Alaska with waves up to 15 feet high, according to the Alaska Earthquake Center.

“We are working with other agencies and colleagues to understand the full sequence of events, but at this point, all evidence suggests that this set of reported 10-15-foot high waves was set in motion by a landslide of several tens of millions of…