A massive landslide, estimated to be around six-and-half miles long, near Glacier Bay has scientists in New York clambering to get to Southeast. The slide happened Tuesday morning, and was discovered by a local pilot. On Tuesday morning, when Paul Swanstrom saw the dust cloud hovering over the Lamplugh Glacier, he said he knew what it was immediately.

“You bet because we’ve seen these landslides before,” he said. “It made the air a little dusty, but it’s not any danger, no.” This landslide in Glacier Bay National Park, like the ones in 2014 and 2012, sent millions of tons of debris spilling down the mountainside. According to the Alaska Earthquake Center it happened at 8:21 a.m. Swanstrom flew over it about two hours later. READ MORE