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

Scientists from the USGS Hawaiian Volcano Observatory (HVO) are collaborating with academic colleagues to make field experiences in geology more accessible for people who have been historically ...

An internationally recognized geophysicist, Professor Jeffrey Johnson leads research on volcanic hazards with a strong focus ...

Volcano Watch is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists ...