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Volcano-Hazard Zonation for San Vicente Volcano, El Salvador

San Vicente, El Salvador, 2001

Plate 1 in: Major, J.J., Schilling, S.P., Pullinger, C.R., Escobar, C.D., & Howell, M.M. (2001). Volcano-Hazard Zonation for San Vicente Volcano, El Salvador. U.S. Geological Survey, Open-File Report 2001-367, 22 p., 1 plate. https://doi.org/10.3133/ofr01367



This map was produced by an official agency of a foreign government, 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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Map Data

Map ID491
Hazard Process(es)Ballistics; Distal hazards; Lahars; Lateral or directed blasts; Lava flows; PDCs; Proximal hazards; Surges
Hazard Zone PresentationGrouped by location (e.g. proximal/distal zones) on a series of small map panels of similar sizes
Temporal ScaleBackground, or long-term, map
Spatial ScaleVolcano and surrounding area
Publication FormatPoster-style map insert in hazard assessment
Zonation Method(s)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; Style or type
Hazard Zone Label(s)Hazard process name; 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 San Vicente →