News

For over thirty years, high-precision GPS (Global Positioning System) measurements have been a key tool used by the USGS Hawaiian Volcano Observatory...

The most recent eruption at Kīlauea’s summit began on Sunday, September 10, 2023. Following weeks of heightened unrest, fissures opened on the Halema...

Though volcanoes like Mount Shasta or Lassen Peak may dominate their skylines, California also has shield volcanoes, named because their shape is...

Distinguished volcanologist Dr. James P. “Jim” Kauahikaua, Ph.D., passed away in the early morning hours of Sunday, October 8, 2023. James Puupai...

The Great Hawaii ShakeOut is a yearly event for kamaʻāina and visitors to practice and prepare for when a large damaging earthquake hits the Hawaiian...

Before there was a California Volcano Observatory or even a Long Valley Observatory, a tiny cabin in northern California housed the first full-time...

Here in Hawaii nei, we don’t have the dramatically changing leaf colors and brisk temperatures that mark the arrival of Fall. And as October arrived...

Kīlauea’s recent summit eruptions and lava lakes are exciting for residents, visitors, and scientists. However, Kīlauea has had numerous explosive...

It’s 3 a.m. and you’re halfway through a 12-6 a.m. graveyard shift at the NOAA Pacific Tsunami Warning Center (PTWC) in Honolulu, Hawaii. 

Talking about calderas means venturing into superlatives - huge volumes of magma and topographic changes on a regional, even state-sized scale. But...