Fast forward to 2025, and there have been only three eruptions of Mauna Loa in the past 75 years since 1950: 1975, 1984, and ...

In 1956, United States scientist Charles Keeling chose Hawaii's Mauna Loa volcano as the site of a new atmospheric measuring station.

In 1956, United States scientist Charles Keeling chose Hawaii’s Mauna Loa volcano for the site of a new atmospheric measuring station.

The Mauna Loa laboratory in Hawaii has measured atmospheric carbon dioxide, which — along with other planet-warming pollution — has led directly to climate change, driving sea level rise ...

Hawaiian Volcano Observatory reported in is Volcanic Activity Notice at about 9:30 announcing Episode 27 had commenced that fountain heights were expected to increase during the next hour or so.

Mauna Loa is not erupting. Its USGS Volcano Alert Level is at NORMAL. No earthquakes were reported felt in the Hawaiian Islands during the past week.

Towering lava fountains shot over 1,150 feet into the sky at Kīlauea’s summit during two explosive eruption episodes, captured in a stunning timelapse. Both events were driven by powerful ...

California's nine national parks (the most of any single state) are some of the most illustrious representatives of America's wild and monumental landscape. Iconic natural wonders like Yosemite's Half ...