This chapter summarizes the principal conclusions and recommendations developed elsewhere in this report. Major conclusions are printed in italics and recommendations in bold. Basic research in the ...

During volcanic crises, the USGS Hawaiian Volcano Observatory (HVO) plays a pivotal role, sharing information on activity and associated hazards with close partners on the Island of Hawaii, including ...

In 2012, steam began to rise from beneath the cracked concrete of a telecommunication station at the summit of Pico Basile volcano on Bioko Island, Equatorial Guinea, in western Africa. The steaming ...

Dr. John Eichelberger is the program coordinator for the USGS Volcano Hazards Program. He has more than 34 years of experience as a volcano expert and was previously the chair of the University of ...

Federal scientists are pushing back against viral claims that “mega eruptions” could strike within days, even as they quietly prepare for the possibility that any restless volcano can change behavior ...

It is the responsibility of the USGS Volcano Hazards Program to deliver forecasts, warnings and information based on scientific understanding of volcanic processes so that eventually, we may fear less ...

One of two main craters on Alaska’s Mount Spurr, shown in 1991. Earthquake activity suggests the volcano is close to erupting again in 2025. (Photo by R.G. McGimsey/Alaska Volcano Observatory/U.S.

More than 120 volcanic eruptions have occurred in the United States in the 42 years since Mount St. Helens erupted over Washington in 1980, killing 57 and inflicting over a billion dollars in property ...

Scientists were certain Hawaii’s Mauna Loa volcano would begin erupting again before the lava began to flow, but knowing when exactly it will stop can be harder to predict. The volcano within Hawaii ...