Mount Usu Volcanic Alert Levels
Usu (Toya), Japan, 2020
Japan Meteorological Agency. (2020). Mount Usu Volcanic Alert Levels. Volcano Monitoring and Warning Center, Volcano Division, Earthquake and Volcano Department.
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Map Data
Map ID 3172 Hazard Process(es) Access or danger zone; Ballistics; PDCs; Surges; Tephra fall; Vent-opening hazards Hazard Zone Presentation Hazard process-focused: Most hazard processes are separated by hazard process type on a main map panel Temporal Scale Background, or long-term, map Spatial Scale Volcano and surrounding area Publication Format Flyer, brochure, short fact-sheet, infographic, or handout Zonation Method(s) Derived/simplified from another map Zonation Model(s) Scenario(s) Considered Alert levels Hazard Zone Label(s) Access (exclusion, danger, or safe zones); Hazard process name Probability Definition(s) Alert levels imply probability Purpose Crisis 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. Audience General public and/or media Language(s) Japanese Basemap(s) Contour lines Basemap overlay(s) Street map Diemsionality Planimetric (2D or map) view Color Scheme Red to Blue