Scientists lower Mauna Loa alert level, 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 ...

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Hawaii’s Mauna Loa Observatory just captured an ominous sign about the pace of global warming. Atmospheric levels of planet-warming carbon dioxide aren’t just on their way to yet another ...

Update at 4:43 a.m. April 18: Additional snow accumulation of up to 2 inches is forecast for Big Island summits as the winter ...

In his California laboratory, Ralph Keeling examines a graph created from data his father began collecting that keeps a ...

Elon Musk's DOGE is considering terminating the lease of a tiny office that supports a huge climate science project.

Kilauea is one of five active volcanoes in Hawaii. The largest is Mauna Loa, which is also on the Big Island and which erupted in 2022.

Kilauea and Mauna Loa each have two major rift zones that radiate away from the volcano summits, and rift zone eruptions are common. Mauna Loa’s 2022 eruption, and Kilauea’s 1983–2018 Pu‘u ...

Visitors come from around the world to marvel at its explosive displays. The largest of the state's six active volcanoes is Mauna Loa, which is also on the Big Island and erupted in 2022.

There are two active volcanoes in Hawai'i Volcanoes National Park: Mauna Loa and Kilauea. Kilauea is the real "must-see" of the two volcanoes. A 4,000-foot-tall mountain, Kilauea has been active ...