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

The Mauna Loa laboratory in Hawaii has measured atmospheric carbon dioxide, which — along with other planet-warming pollution ...

Closing Mauna Loa and three other U.S. sites that track greenhouse gases would disrupt a decades-long record of the planet’s ...

Cutting data climate collection – as the Trump administration is now trying to do – is like breaking a thermometer to avoid ...

Even a policy of “drill, baby, drill” would imply more climate research, not its evisceration, says Ralph Keeling ...

The Keeling Curve, measured there, is irrefutable evidence of increasing CO2 emissions Column When you don't like the message, what do you do? You shoot the messenger, of course.… That's the strategy ...

Mauna Loa – aptly named “Long Mountain” – stretches 13,679 feet into the air above the sea level where it covers half of the island’s length at 60 miles long and 30 miles wide.

The USGS has Mauna Loa at a "yellow advisory" ― meaning be prepared. "Orange watch" means start moving. People in the Ka’u district are especially at risk as Highway 11 is their only way out.

Steam rises from Sulfur Cone, on the Southwest Rift Zone of Mauna Loa's summit region in Hawaii, U.S. during an overflight by geologists of the Hawaiian Volcano Observatory, Oct. 28, 2022.

When it will happen, no one knows. However, scientists say the chance of Mauna Loa erupting again is virtually 100% and the consequences could be disastrous. In 1881, lava almost reached Hilo.

Mauna Loa, Hawaii J.D. Griggs / USGS Scientists monitoring the unsettled geological activity on Hawaii’s biggest island say that while an eruption of the volcano that dominates the landscape isn ...

The world's largest active volcano, Mauna Loa on Hawaii's Big Island, has started to erupt for the first time since March to April 1984, ending its longest known quiet period ever.