Volcano Watch

Kīlauea has now passed the one-year anniversary of the episode 61g lava flow reaching the Pacific Ocean. But what was this busy volcano up to a decade...

On June 8, 2017, many Island of Hawai‘i residents were awakened by a sharp jolt just past 7 a.m. This natural wake-up call was caused by a magnitude-5...

July 26th marks the one-year anniversary of Kīlauea Volcano's episode 61g lava flow reaching the sea. And at this time, there's no indication that the...

The new "Geologic map of the northeast flank of Mauna Loa volcano, Island of Hawai‘i," the culmination of many years of work by Hawaiian Volcano...

With over 1,000 articles on almost every volcano topic imaginable, the Volcano Watch archive is a treasure trove of information on Hawaiian volcanoes...

This week's Volcano Watch is a photo essay featuring notable images from Kīlauea Volcano's two ongoing eruptions: East Rift Zone (Pu‘u ‘Ō‘ō), which...

Since the end of February 2017, HVO seismic analysts have noted a slight uptick in the numbers of earthquakes near Lō‘ihi.

Tim Orr accepted a research geology position at the Alaska Volcano Observatory (AVO) in Anchorage, so he's headed north to Alaska. 

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

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

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

A new structure allows for a more efficient and consistent website, with simplified maintenance that leads to fewer broken links.

 

This week's Volcano Watch was written by USGS Hawaiian Volcano Observatory geologist Don Swanson, who worked on Mount St. Helens before and after the...

With funding from USGS data rescue initiatives, HVO scanned seismograms from a number of significant earthquakes and seismic sequences. Since last...

On June 13, 1950, Honolulu was suddenly blanketed by the thickest haze seen since recordkeeping began there in 1906.

Ben Gaddis was recently honored by the U.S. Geological Survey for his many years of service as HVO's volunteer photo archivist.

Here are some tips from for essential lava field fashion from the USGS Hawaiian Volcano Observatory geologists who walk miles on Kīlauea lava flows...

Hawaiian Volcano Observatory (HVO) staff, alumni and friends recently gathered to honor the long and fruitful career of Jeff Sutton, our recently...

Hawai‘i is not the only island in the United States with an ongoing eruption involving hot lava and cold water.

The ash deposits on the southeastern part of the Island of Hawai‘i have fortuitously presented an agricultural opportunity in an otherwise rocky and...