The change measured by the Mauna Loa Observatory was likely driven by wildfires and continued burning of fossil fuels, ...

Residents and visitors alike have been watching episodic lava fountains in Halema‘uma‘u at the summit of Kilauea since late ...

HVO continues to closely monitor Kilauea and Mauna Loa. Please visit HVO’s website for past Volcano Watch articles, Kilauea ...

The Kilauea volcano at Hawaii Volcanoes National Park is spewing lava once again, the seventh recorded episode in recent ...

Like fortune tellers who peer into a crystal ball for insight, volcanologists at Hawaiian Volcano Observatory peer into the ...

Officials at Hawaii Volcanoes National Park are bracing for crowds eager to get a glimpse of lava fountaining from an ...

The Mauna Loa readings, known as the Keeling Curve, date back to 1958 and are the longest-running dataset of atmospheric CO2 concentrations. The increase in C02 and other heat-trapping greenhouse ...

Known as the "Grand Canyon of the Pacific," this natural wonder in Hawaii transforms during the cooler months, becoming even more lush.

Visit the observatory’s website for past “Volcano Watch” articles, Kīlauea and Mauna Loa updates, volcano photos, maps, recent earthquake information and more. Email questions to askHVO ...

Around 8 a.m., radar and rain gages indicated heavy rainfall over the west and south sides Hawaii Island. Peak rain rates of ...

TEMPO.CO, Jakarta - The Mauna Loa Observatory in Hawaii recorded the largest spike in atmospheric carbon dioxide (CO2) concentrations in 2024. Atmospheric carbon dioxide levels measured by weather ...