← Back to Search Results

Chokaisan Volcanic Alert Levels

Chokaisan, Japan, 2018

Japan Meteorological Agency. (2018). Chokaisan Volcanic Alert Levels. Volcano Monitoring and Warning Center, Volcano Division, Earthquake and Volcano Department.



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 thumbnail for full-size map. We do not have copyright permission to display the full-size image. If you are the copyright holder and wish to provide copyright, please contact us at admin@volcanichazardmaps.org. If link seems broken, try the archived version.

Map Data

Map ID3118
Hazard Process(es)Access or danger zone; Ballistics; Ballistics (text only); Lahars; Lahars (text only); PDCs; PDCs (text only); Surges; Surges (text only); Vent-opening hazards
Hazard Zone PresentationHazard level- and process-focused: Hazards are both combined by hazard level and separated by hazard process type on a main map panel
Temporal ScaleBackground, or long-term, map
Spatial ScaleVolcano and surrounding area
Publication FormatFlyer, brochure, short fact-sheet, infographic, or handout
Zonation Method(s)Derived/simplified from another map
Zonation Model(s)
Scenario(s) ConsideredAlert levels; Size, VEI, or intensity; Source location or direction; Style or type
Hazard Zone Label(s)Access (exclusion, danger, or safe zones); Hazard process name
Probability Definition(s)Alert levels imply probability; Scenarios imply probability
PurposeCrisis management and response: Intended to be used for managing, responding to, and taking action during an eruption; often includes evacuation routes, access restrictions, actions to take, etc.
AudienceGeneral public and/or media
Language(s)Japanese
Basemap(s)Hillshade
Basemap overlay(s)Contour lines; Street map
DiemsionalityPlanimetric (2D or map) view
Color SchemeCategorical/Qualitative
Go to Global Volcanism Program page for Chokaisan →