News

To help determine the timing of eruptive activity, geologists use a radiocarbon age-dating technique. Collecting charcoal is the most common method...

While scattered references to "Old Faithful" can be found after 1916, the persistent lava fountain, which played at Kīlauea Volcano for a quarter of a...

The explosive event at Halema‘uma‘u Crater's lava lake on August 6, 2016, was the latest in a series that began in 2008. It is useful to view the...

At 10:02 p.m., HST, on Saturday, August 6, a section of altered, thermally-stressed rock enclosing the Halema‘uma‘u Crater lava lake detached from the...

2016 International Training Program course brings together scientists and technicians from around the globe to learn about and practice volcano...

Lava erupting from the Pu‘u ‘Ō‘ō vent entered the ocean along Kīlauea Volcano's south coast this past week for the first time since 2013—perhaps the...

What an exciting time for Kīlauea volcano-watchers! 

On the Island of Hawai‘i, lichens are important colonists of young lava flows, particularly ‘a‘ā lava.

Two years ago, Kīlauea Volcano's "June 27th" flow advanced to the northeast, threatening Pāhoa and creating major disruptions to thousands of...

Readers of Volcano Watch might recall past articles that have described various ways in which the USGS Hawaiian Volcano Observatory (HVO) studies and...