Pressure waves from the colossal 2022 Tonga eruption rippled through Alaska’s crust, offering scientists a rare look into the state’s deep subsurface. Atmospheric waves from a powerful volcanic erupti ...
A circular scar on Alaska’s face speaks to an event that may have contributed to the fall of societies on the far side of the world. Two thousand years ago, Alaska’s Mount Okmok volcano spewed ash ...
The eruption The explosive eruption of Hunga Tonga–Hunga Ha'apai volcano, in the Kingdom of Tonga and about 6,000 miles from Alaska, occurred on Jan. 15, 2022. The eruption's atmospheric waves were ...
Alaska Volcano FILE - This image provided by Alaska Volcano Observatory shows the summit of Mount Spurr, on Oct. 24, 2024, in Alaska. (Wyatt Mayo/Alaska Volcano Observatory, U.S. Geological Survey via ...