say eruption could end soon Scientists lowered the alert level for the Mauna Loa volcano on Hawaii's Big Island from a warning to a watch on Saturday and said the mountain's first eruption in ...

The United States leads the world with 165 Holocene volcanoes, mostly in Alaska, Hawaii, and the Pacific Northwest. Active ...

For the first time, the monthly average of carbon dioxide in the atmosphere has surpassed 430 parts per million at the Mauna Loa Observatory in Hawaii. The May 2025 number is higher than it's ever ...