News

Yellowstone’s thermal waters are more than just hot—they also contain a variety of elements, some of which are potentially toxic!  Arsenic is an...

Scientists at the USGS Hawaiian Volcano Observatory (HVO) largely rely on aerial data collection for making maps of ongoing eruptions at Kīlauea. Most...

An eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema‘uma‘u...

Seismic activity in central Idaho has been elevated for the past 20 months. These earthquakes are aftershocks of a M6.5 earthquake that occurred on...

Halemaʻumaʻu crater has undergone repeated changes during the past two centuries. Prior to 1924, the size and shape of the Halemaʻumaʻu lava lake...

A new eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema‘uma‘u...

Yellowstone is well-known as one of the largest volcanic systems in the world. Few people know, however, that the largest-known subaerial landslide on...

A new eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema‘uma‘u...

It’s hard to believe that the “Volcano Watch” weekly article and volcano activity update started 30 years ago. On November 3, 1991, the USGS Hawaiian...

A new eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema‘uma‘u...