News

Mauna Loa volcano stands as the largest and most active volcano on Earth. With a rich history of eruptions that have shaped the Island of Hawaʻi's...

The USGS Hawaiian Volcano Observatory (HVO) is responsible for monitoring and studying one of the most active volcanic regions in the world. The...

HVO staff are conducting the annual Mauna Loa GPS campaign. During the survey, GPS instruments are deployed at established benchmarks so that their...

Last week’s “Volcano Watch” summarized Kīlauea’s explosive eruptions of 1924 and their impacts on communities. This week, we dig a little deeper and...

Kīlauea erupted explosively 100 years ago this year. Several programs and articles commemorate the centennial anniversary of the 1924 explosive...

On May 8, 2024, HVO staff conducted a gravity survey around Kaluapele and on May 10, HVO staff conducted maintenance on the F1cam at the summit. 

Kīlauea began erupting explosively 100 years ago this week, for the first time in nearly a century. The eruption lasted for about 17 days, killing one...

In 2018, a large eruption from the lower East Rift Zone of Kīlauea partially drained the summit magma reservoir, which caused portions of the...

The summit region of Kīlauea is currently experiencing heightened unrest, but no eruptive activity. Both seismicity and ground deformation increased...

This past week, earthquakes and inflation near Kīlauea’s summit prompted temporary closures within Hawaiʻi Volcanoes National Park. What is happening...