← Back to Search Results

Volcano Hazards in the Mount Jefferson Region, Oregon

Jefferson, United States, 1999

Plate 1 in: Walder, J.S., Gardner, C.A., Conrey, R.M., Fisher, B.J., & Schilling, S.P. (1999). Volcano Hazards in the Mount Jefferson Region, Oregon. U.S. Geological Survey, Open-File Report 99-24, 14 p. https://doi.org/10.3133/ofr9924



This map was produced by an official agency, but may not be the most recent, most complete, or main operational map. For the current operational hazard map, please consult the proper institutional authorities.


Click on image for full-size map. If link seems broken, try the archived version.

Map Set

Walder, J.S., Gardner, C.A., Conrey, R.M., Fisher, B.J., and Schilling, S.P. (1999). Volcano Hazards in the Mount Jefferson Region, Oregon. U.S. Geological Survey, Open-File Report 99-24, 14 p. https://doi.org/10.3133/ofr9924
https://doi.org/10.3133/ofr9924

Other Maps In Set:

Map Data

Map ID433
Hazard Process(es)Ballistics; Distal hazards; Lahars; Lava flows; PDCs; Proximal hazards; Regional hazards; Surges; Tephra fall; Vent-opening hazards
Hazard Zone PresentationGrouped by location (e.g. proximal/distal zones) on a main map panel
Temporal ScaleBackground, or long-term, map
Spatial ScaleVolcano and surrounding area
Publication FormatPoster-style map insert in hazard assessment
Zonation Method(s)Geologic history; Scenario modeling
Zonation Model(s)Energy cone or line (Heim 1932; Sheridan 1979; Sheridan & Malin 1983); LAHARZ or modified version (such as PFZ) (Iverson et al. 1998; Schilling 1998; Schilling 2014)
Scenario(s) ConsideredAnalog volcano(es); Size, VEI, or intensity; Source location or direction; Style or type
Hazard Zone Label(s)Location or source name; Scenario name
Probability Definition(s)Qualitative relative probability (e.g. high-medium-low)
PurposeMultiple: intended for multiple purposes including general hazard awareness, planning, and crisis management
AudienceMultiple audiences (usually the public, civil authorities, and land-use planners)
Language(s)English
Basemap(s)Contour lines
Basemap overlay(s)Street map
DiemsionalityPlanimetric (2D or map) view
Color SchemeDark to Light (greyscale)
Volcanic Alert Level System
Go to Global Volcanism Program page for Jefferson →