VEI 4 Magmatic fallout scenario, VEI 4 phreatomagmatic fallout scenario, VEI 4 concentrated PDC scenario, VEI 4 dilute PDC scenario
Vesuvius, Italy, 2010
Figure 5 in: Mastrolorenzo, G., & Pappalardo, L. (2010). Hazard assessment of explosive volcanism at Somma‐Vesuvius. Journal of Geophysical Research: Solid Earth, 115(B12). https://doi.org/10.1029/2009JB006871
This hazard map is the result of scientific research and was published in academic literature.
It is presented here to serve as an example of the map type or the map-making methodology. It is NOT the official, operational map. For the current operational hazard map, please consult the proper institutional authorities.

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Map Set
Mastrolorenzo, G., & Pappalardo, L. (2010). Hazard assessment of explosive volcanism at Somma‐Vesuvius. Journal of Geophysical Research: Solid Earth, 115(B12). https://doi.org/10.1029/2009JB006871
https://doi.org/10.1029/2009JB006871
Other Maps In Set:
- Volcanic explosivity index (VEI) 2 magmatic and phreatomagmatic fallout conditional probability of minimum tephra load leading to roof collapse (200 kg/m2). VEI 3 magmatic and phreatomagmatic fallout conditional probability of minimum load of roof collapse (200 kg/m2). VEI 3 concentrated PDC conditional probability and dynamic overpressure (Pa).
- VEI 5 Magmatic fallout scenario, VEI 5 phreatomagmatic fallout scenario, VEI 5 concentrated PDC scenario, VEI 5 dilute PDC scenario
- Lahars, Floods, Debris Avalanches, Rockslides
Map Data
Map ID 649 Hazard Process(es) PDCs; Tephra fall Hazard Zone Presentation Hazard process-focused: Most hazard processes are separated by hazard process type on a series of small map panels of similar sizes Temporal Scale Background, or long-term, map Spatial Scale Volcano and surrounding area Publication Format Figure in a journal article Zonation Method(s) Probabilistic modeling Zonation Model(s) Unnamed mass flow model [Mastrolorenzo & Pappalardo (2010)] (Mastrolorenzo & Pappalardo 2010); Unnamed tephra model [Mastrolorenzo & Pappalardo (2010)] (Mastrolorenzo & Pappalardo 2010) Scenario(s) Considered Size, VEI, or intensity; Style or type Hazard Zone Label(s) Numeric probability Probability Definition(s) Numeric probability Purpose Scientific interest: Intended for scientific research and general scientific interest; usually published in academic journals Audience Scientists (usually in scientific publication) Language(s) English Basemap(s) Hillshade Basemap overlay(s) Inhabited areas Diemsionality Planimetric (2D or map) view Color Scheme Red to Green