News

My 37-year stint with the U.S. Geological Survey—16 years at the Cascades Volcano Observatory (CVO) and 21 at the Hawaiian Volcano Observatory (HVO)...

The USGS Hawaiian Volcano Observatory (HVO) uses a diverse set of instruments to monitor active volcanoes in Hawaii. These include seismometers, gas...

The limited collapse of the inner part of Kīlauea Volcano's caldera this summer fell well short of the larger summit-wide collapses that occurred in...

Kīlauea Volcano's 2018 lower East Rift Zone eruption and summit collapse provided a rare opportunity to study dynamic eruptive processes beneath and...

In 1902, Thomas A. Jaggar, a geologist and founder of the Hawaiian Volcano Observatory (HVO), visited the scene of one of the most deadly volcanic...

The USGS Hawaiian Volcano Observatory (HVO) has an extensive network of instruments that helps us monitor how the ground deforms due to magma moving...

Many Island of Hawai‘i residents are familiar with the volcanic air pollution known as "vog." The main culprit in the formation of vog is sulfur...

The visible part of Kīlauea from the summit to the Lower East Rift Zone (LERZ) makes up only a small portion of the total volcano. Much of Kīlauea...

Since the morning of August 4, 2018, activity at Kīlauea Volcano's summit and its lower East Rift Zone (LERZ) has diminished dramatically—and the...

"How long will it last?" is one of the most challenging questions asked about a volcanic eruption, including Kīlauea Volcano's current lower East Rift...