Open-File Report 97-487
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First posted August 1, 2008 For additional information: Part or all of this report is presented in Portable Document Format (PDF). For best results viewing and printing PDF documents, it is recommended that you download the documents to your computer and open them with Adobe Reader. PDF documents opened from your browser may not display or print as intended. Download the latest version of Adobe Reader, free of charge. |
Bacon, C.R., Mastin, L.G., Scott, K.M., and Nathenson, Manuel, 1997, Volcano and earthquake hazards in the Crater Lake region, Oregon: U.S. Geological Survey Open-File Report 97–487, 32 p., 1 plate, scale 1:100,000, https://pubs.usgs.gov/of/1997/0487/.
Summary
Introduction
Geologic setting of Crater Lake
Reawakening of Mount Mazama
Potential hazards from an eruptions beneath Crater Lake
Hazards of silicic eruptions outside the caldera
Hazards of lahars (volcanic debris flows) and their runout flows
Regional volcanism
Events of high consequence but low probability
Protecting Crater Lake National Park and surrounding communities from volcano hazards
Earthquakes
Landslides may cause large waves on Crater Lake
Preparing for an earthquake affecting the Crater Lake region
One plate