News

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-5.3 earthquake located beneath Kīlauea Volcano's south flank on...

Field engineers at the USGS Hawaiian Volcano Observatory (HVO) recently completed a multi-year effort to upgrade a subset of seismic stations at the...

Different textures on the surface of the summit lava lake

On the Island of Hawai‘i, deformation is measured primarily with three techniques: tiltmeters, GPS (Global Positioning System), and InSAR...

Hawaiian Volcano Observatory and Jaggar Museum

Spattering on summit lava lake and Pele's hair around Halema‘uma‘u

Sluggish breakouts near the base of the pali

Both volcanoes and landslides are important for landscape evolution in Hawaii and worldwide. In Washington State, an old legend makes the connection...

61g flow is active at the Kamokuna ocean entry and at the base of the pali

Today, in 1980, Mount St. Helens unleashed the most devastating eruption in U.S. history. Two years later, USGS founded the Cascades Volcano...