USGS scientists have recently observed low-density tephra produced in recent eruptions become short-lived “Tephra Devils,” ...

A unique phenomenon known as a "Tephra Devil" was captured swirling over a crater on Hawaii's Kilauea during the volcano's ...

Over the past month, the frequency of fountaining events at the summit of Kilauea has increased to nearly one per week. This is reminiscent of the early days of the current episodic eruption that ...

This Volcano Watch was written by research geophysicist Ingrid Johanson with Hawaiian Volcano Observatory. Over the past ...

The latest eruptive episode at Hawaii’s Kilauea volcano began on May 14, according to the United States Geological Survey ...

The north coast area also has a particularly popular tourist attraction: The beautiful Waipio Valley, or "Valley of the Kings ...

While the USGS scientists learned plenty about volcanism in El Salvador during this trip, it also provided key insights to ...

The U.S. Geological Survey (USGS) released footage of Hawaii's Kilauea volcano erupting. According to the USGS, the 46th eruptive episode began at 8:17 am HST. The USGS says Kīlauea is one of the ...

Subtle signals detected weeks before a massive eruption could help scientists forecast volcano activity earlier.

Volcano Watch is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists and affiliates. Today’s article is by HVO geologist Drew Downs. Photos of ...