Kīlauea has erupted episodically within the summit caldera since Dec. 23, 2024. Episode 44 of summit lava fountaining ...

The Hawaiian Volcano Observatory is part of the U.S. Geological Survey, the science agency of the U.S. Department of Interior. Our job is to obtain and share science-based information about the ...

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 ...

During Kilauea summit lava fountaining episode 41, residents and visitors shared their observations of tephra falling via email, phone calls, and on social media. A new online tool, “Is Tephra Falling ...

Bernard Hubbard didn’t set out to map minerals. As a geology PhD student at UB, he used satellite and airborne instruments to study volcanoes from above. Later, as a research geologist with the United ...

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 ...