News

U.S. Geological Survey trucks pull off the shoulder of Mauna Loa Observatory Road before dawn. I park the Jeep at the helicopter staging area, a flat...

Multiple hydrothermal breccia pipes are exposed along the northern and western shores of Yellowstone Lake and provide clues into the shallow roots of...

Civil Air Patrol flight over Mauna Loa Summit

Timelapse video of the water pond at Kīlauea summit

Water pond at Kīlauea summit continues to rise and enlarge

In late September 2019, East Hawai‘i residents with ocean views may have noticed an unusual ship—too small for a cruise ship, too big for a fishing...

HVO staff practice Drop, Cover, and Hold during the Great Hawaii ShakeOut

The backbone of Yellowstone's ground-based monitoring network consists of seismic stations, which detect earthquakes, and GPS (Global Positioning...

The USGS Hawaiian Volcano Observatory (HVO) detects tens of thousands of earthquakes each year. Currently, one of the most active areas of seismicity...

New USGS video posted online:  "Water appears in Halema‘uma‘u"