February 3, 2026. EN. United States : Yellowstone , Indonesia : Ibu , Peru : Sabancaya , Costa Rica : Poas / Rincon de la Vieja , Mexico : Popocatepetl .
February 3 , 2026. United States , Yellowstone : YELLOWSTONE VOLCANO OBSERVATORY MONTHLY UPDATE , U.S. Geological Survey Monday, February 2, 2026, 11:40 AM MST (Monday, February 2,…
