News

Although not as dramatic as past explosive eruptions at Yellowstone, Idaho is home to several young volcanic eruptions. Geologists are currently...

The USGS Hawaiian Volcano Observatory (HVO) relies heavily on Global Positioning System (GPS) data to monitor volcanic activity in Hawaii. Data are...

At least 28 rhyolitic lava flows, domes, and tuffs erupted since the formation of Yellowstone Caldera 631,000 years ago. Yellowstone’s past also...

USGS Hawaiian Volcano Observatory (HVO) staff are often asked, “Will lava erupted during the ongoing Kīlauea summit eruption in Halemaʻumaʻu...

Hydrocarbons in Yellowstone?  Yes indeed, there are oil seeps in the northeastern part of the park! These seeps are a consequence of the region’s long...

On Tuesday, July 7, USGS Hawaiian Volcano Observatory geologists completed a brief monitoring helicopter overflight of Halema‘uma‘u crater at the...

The Howard Eaton Trail, once spanning 157 miles, was the longest hiking and equestrian trail in Yellowstone National Park for nearly 50 years. Today...

On July 2, three USGS Hawaiian Volcano Observatory scientists flew via helicopter to the northwest side of Halema‘uma‘u at the summit of Kīlauea to...

Hawaii, the 50th state, reached a golden anniversary last Saturday, June 27. Surprise, it’s the 50th fountaining episode of the ongoing episodic...

Heat is everywhere—from the boiling hot springs and fumaroles of Yellowstone to the fast-paced action of the 2026 FIFA Men’s World Cup.  In both...