- After the smoke from wildfires clears, debris flows can become a big problem. USGS Research Geologist Sue Cannon talks about how.
- While the Souris River was in the throes of record high flooding in Minot, N.D., O.C. Fisher Lake near San Angelo, Texas, was experiencing the exact opposite for a number of years - a ground-cracking drought.
- Mount St. Helens and surrounding area recover from the historic May 1980 eruption. Shades of white and gray indicate still-bare slopes that were swept by volcanic flows; light green areas at the top of the photo show regrowth of vegetation in devastated areas; dark green areas at the bottom were unaffected by the eruption.