News

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's...

Hawaii residents are likely familiar with the Volcano Activity Updates that the Hawaiian Volcano Observatory (HVO) issues for Kīlauea and other active...

How long has the magma chamber existed? And how can we explore such a complex question, given that we can't directly see several kilometers deep...

Kīlauea Volcano, on the Island of Hawai‘i, has two rift zones. The East Rift Zone is longer, with 50 km (about 31 miles) on land plus another 80 km...

Have you ever wondered why geysers are rare and what causes them to erupt? And why scientists study geysers?

HVO geologists make field observations in the lower East Rift Zone

Collecting gas samples at Sulphur Banks

Since the early 1990s, scientists have used radar satellites to map movement, or deformation, of Earth’s surface. Interferometric Synthetic Aperture...

During the Spring term in 2019, geology students from Montana State University participated in a reading group focused on understanding the geology of...

The USGS Hawaiian Volcano Observatory (HVO), along with its partners at NOAA's Pacific Tsunami Warning Center (PTWC) and the National Strong-Motion...