A remote Alaskan fjord was rocked by a 500-meter megatsunami—an unseen giant triggered by a mountain collapsing into the sea.
It was a very early morning in August when an entire mountainside in Alaska’s Tracy Arm fjord detached and slid into the deep ocean water beneath it.
That’s what happened back on August 10 this year, when a massive landslide occurred in Tracy Arm – a fjord about 130 ...