Though the volcano’s magma chambers could hold enough material for a caldera-forming event, none of them are likely to erupt soon.

Hubbard, who first joined the USGS as a postdoc, is part of the agency’s Earth Mapping Resource Initiative (Earth MRI).

Data last updated January 17, 2025. As Ukrainian leaders vow to reclaim all territories seized by Russia, Moscow has prepared extensive defensive measures, particularly in Crimea, a region unlawfully ...