News

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...

Here at YVO we receive a lot of questions related to Yellowstone supereruption "what ifs" and "whens", even though that is the least possible scenario...

A summary chronology and interesting facts about Kīlauea Volcano's 2018 lower East Rift Zone eruption and summit collapse.

The Hawaiian Volcano Observatory (HVO) is no rookie when it comes to using flight to assist with monitoring Hawaiian volcanoes. Helicopters and fixed...