There is a great primer on volcanic hazards on the website maintained by Michigan Technical University. Earthquakes commonly occur in volcanically active areas. Go to primer on volcanic hazards and look up the page on Volcanic Earthquakes . Next, look up the page on volcanic gases . Look up the page on Lahars .
Lahars are mudflows associated with volcanoes.
Describe the potential effects of mudflows. Based on the first 4 questions and answers, summarize scientists' ability to predict eruptions. Next, let's visit the Cascades Volcano Observatory . Yellowstone National Park is a caldera, and recently earthquake activity has intensified there. Read the fact sheet about volcanic activity at Yellowstone and answer the following questions.