Map showing annual probability of 1 cm or more of tephra accumulation in Washington, Oregon, and northern California from eruptions throughout the Cascade Range.
Cascades Range (regional, USA only), United States, 1997
Figure 4 in: Sherrod, D.R., Mastin, L.G., Scott, W.E. & Schilling, S.P. (1997). Volcano hazards at Newberry Volcano, Oregon. U.S. Geological Survey, Open-File Report 97-513, 14 p. https://doi.org/10.3133/ofr97513
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.
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Sherrod, D.R., Mastin, L.G., Scott, W.E. & Schilling, S.P. (1997). Volcano hazards at Newberry Volcano, Oregon. U.S. Geological Survey, Open-File Report 97-513, 14 p. https://doi.org/10.3133/ofr97513Map Set
https://doi.org/10.3133/ofr97513
Other Maps In Set:
Map Data
Map ID 1176 Hazard Process(es) Tephra fall Hazard Zone Presentation Single hazard: A single hazard process is represented on a main map panel Temporal Scale Background, or long-term, map Spatial Scale Regional Publication Format Figure 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) Considered Analog volcano(es) Hazard Zone Label(s) Numeric probability Probability Definition(s) Annual numeric probability Purpose Multiple: intended for multiple purposes including general hazard awareness, planning, and crisis management Audience Multiple 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) Diemsionality Planimetric (2D or map) view Color Scheme Dark to Light (greyscale)