During a two-week trip to American Samoa in August and September, USGS Hawaiian Volcano Observatory staff repaired and ...

Kīlauea remains relatively quiet today. This Volcano Watch article explains activity related to the intrusion of a shallow dike last night. https://www.usgs.gov ...

Kīlauea has been erupting episodically since December 23, 2024, from two vents (north and south) in Halema‘uma‘u. Lava ...

When magma moves into the rift zone of a Hawaiian volcano, there is understandably a lot of excitement and apprehension. How far will the magma go, and will it erupt? But even long after the activity ...

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 ...

All major Cascade volcanoes had updated hazard assessments based on extensive field mapping by teams of experienced geologists. Field mapping, combined with subsurface imaging using ground penetrating ...

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 ...