Revision History for USGS Scientific Investigations Report 2018-5159

Margaret Mangan, Jessica Ball, Nathan Wood, Jamie L. Jones, Jeff Peters, Nina Abdollahian, Laura Diniz, Sharon Blankenheim, Johanna Fenton, and Cynthia Pridmore 

California's Exposure to Volcanic Hazards

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Posted online February 25, 2019, version 1.0

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Revised and reposted March 7, 2019, version 1.0

1. Corrected the threat ranking of Clear Lake volcanic field in the heading of fig. 7 on p. 15.

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Revised and reposted December 2019, version 1.1

1. Updated values in appendix 3 to correct miscalculations of exposure values for (1) antennas and transmitters and (2) schools and emergency facilities. Headings updated to change "towers" to "transmitters."
2. Updated headings in appendix 2 to change "towers" to "transmitters."
3. Changed "towers" to "transmitters" and applied copyedit changes in paragraph 6, p. 24. 
4. Updated figure 17 to reflect revised exposure values of antennas and transmitters (values changed in appendix 3).
5. Updated table 11 to reflect revised exposure values of schools and emergency facilities (values changed in appendix 3).