← Back to Search Results

Map showing annual probability of 1 centimeter or more of tephra accumulation from any major Cascade volcano

Cascades Range (regional, including Canada), Canada, United States, 2012

Figure 15 in: Clynne, M. A., Robinson, J. E., Nathenson, M. & Muffler, L. P. (2012). Volcano hazards assessment for the Lassen region, northern California. U.S. Geological Survey, Scientific Investigations Report 2012-5176-A, 47 p., 1 plate. https://doi.org/10.3133/sir20125176A



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

Clynne, M. A., Robinson, J. E., Nathenson, M. & Muffler, L. P. (2012). Volcano hazards assessment for the Lassen region, northern California. U.S. Geological Survey, Scientific Investigations Report 2012-5176-A, 47 p., 1 plate. https://doi.org/10.3133/sir20125176A
https://doi.org/10.3133/sir20125176A

Other Maps In Set:

Map Data

Map ID1444
Hazard Process(es)Tephra fall
Hazard Zone PresentationSingle hazard: A single hazard process is represented on a main map panel
Temporal ScaleBackground, or long-term, map
Spatial ScaleRegional
Publication FormatFigure in a hazard assessment or mitigation plan
Zonation Method(s)Scenario modeling
Zonation Model(s)Unnamed tephra model [Hoblitt et al. (1987); Hoblitt & Scott (2011)] (Hoblitt et al. 1987; Hoblitt & Scott 2011)
Scenario(s) ConsideredAnalog volcano(es)
Hazard Zone Label(s)Numeric probability
Probability Definition(s)Annual numeric probability
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)Administrative boundaries (e.g. county, park, intl.)
Basemap overlay(s)
DiemsionalityPlanimetric (2D or map) view
Color SchemeRainbow
Volcanic Alert Level System