California has active and hazardous volcanoes With 8 threatening volcanoes, USGS says California deserves close 3 California volcanoes are at the top of federal volcano threat With 8 threatening volcanoes, USGS says California deserves close Earthquake Tsunami & Volcano Programs Volcano About California volcanoes MAPPED: The ACTIVE volcanoes that could Worrying USGS report warns California’s SEVEN active volcanoes California volcanoes MAPPED: The ACTIVE volcanoes that could Guess What, California? Now You Need to Prepare for Erupting
