'What are "ice volcanoes, and why are they erupting in Michigan?

Hawaii, the 50th state, reached a golden anniversary last Saturday, June 27. Surprise, it’s the 50th fountaining episode of ...

Volcano Watch” is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory ...

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 ...