What happened: A massive August 2025 landslide in Alaska’s Tracy Arm Fjord sent a tsunami 1,578 feet up the fjord walls, the second‑highest in recorded history. Why it matters: Rapid glacier retreat ...

It was the second highest tsunami ever recorded on Earth,” says Aram Fathian, a researcher at the University of Calgary and ...

Record-breaking height: The tsunami’s run-up reached 481 metres, just below the 1958 Lituya Bay record, stripping vegetation and rock along the fjord walls. Glacier retreat trigger: The collapse was ...

The second largest tsunami in history struck an Alaska fjord after a mountain slope suddenly collapsed in the Tracy Arm ...

Antarctica is being ravaged by a triple-whammy of climate chaos that has melted sea ice to record lows, a new study has ...