On Jan. 22, HVO Scientist-in-Charge Jim Kauahikaua and geologist Janet Babb will recount the volcanic history, stories and impacts of volcanic features ... Mauna Loa covers more than 50 percent of ...

Hawaii’s Mauna Loa Observatory just captured an ominous ... In the natural carbon cycle, the element passes through air, soil ...

The eruption of the Mauna Loa volcano in the US state of Hawaii prompted residents and tourists to visit the site to witness the rare scene. It is the world’s largest active volcano. After its ...

The longest and largest river in Hawaii — the Wailuku River — runs right through it, starting at the volcano Mauna Kea and flowing down to Mauna Loa ... like bubbling water called Boiling ...

Using a nearly 200-year record of lava chemistry from Kīlauea and Mauna Loa on the Big Island, scientists from University of ...

Mauna Loa, in Honolulu, Hawaii, 4,169 meters above sea level, is the most active volcano in the world. After 40 years of dormancy, it erupted Monday around midnight, the U.S. Geological Survey ...

“That’s good news for us,” Hawaii County Mayor Mitch Roth said. Still, county officials said they will stay on the alert--because scientists say things could always change. Lava from Mauna ...

The level of carbon dioxide in the atmosphere measured by a weather station at the Mauna Loa Observatory in Hawaii increased by 3.58 parts per million in 2024 – the biggest jump since records ...