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

I’ll never forget the first time I saw Kilauea erupting. It was 1975 and Kilauea Iki was bubbling and spurting lava. It was ...

From Mount St Helens in Washington to the Mauna Loa in Hawaii, these structures have a complicated history of disaster and beauty.

Mauna Loa is not erupting. Its USGS Volcano Alert Level is at NORMAL. One earthquake was reported felt in the Hawaiian Islands during the past week: a M2.8 earthquake 20 km (12 mi) S of Paauilo at ...

Get Instant Summarized Text (Gist) Atmospheric carbon dioxide at Mauna Loa Observatory surpassed 430 ppm for the first time during its annual peak, with a year-on-year increase of about 3.5–3.6 ppm.

A new record high for CO2 levels was set at Mauna Loa Observatory in May. ... Eruptions at Mauna Loa caused an interruption to power at the observatory in 2022, NOAA said.

For the first time, the seasonal peak of carbon dioxide concentrations in the atmosphere exceeded 430 parts per million (ppm) at NOAA’s Mauna Loa Observatory on Hawaii, scientists from NOAA and ...