This report consists of the volcano hazards map database (GIS database in ArcGIS personal geodatabase format) for the Potential Hazards from Future Volcanic Eruptions in California, U.S. Geological Survey Bulletin 1847. Printable files for the main report text, volcano hazards map plate, and accompanying hazard tables can be viewed and downloaded below or from the Bulletin 1847 website.

Downloadable map files:

A PDF version of the main report text: b1847_text.pdf

A PDF version of the volcano hazards map plate: b1847_plate1.pdf

A PDF version of the two volcano hazards tables: b1847_tables1-2.pdf