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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).

Vesuvius, Italy, 2010

Figure 4 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:

Map Data

Map ID543
Hazard Process(es)PDCs; Tephra fall
Hazard Zone PresentationSingle hazard: A single hazard process is represented on a series of small map panels of similar sizes
Temporal ScaleBackground, or long-term, map
Spatial ScaleVolcano and surrounding area
Publication FormatFigure 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) ConsideredSize, VEI, or intensity; Style or type
Hazard Zone Label(s)Numeric probability
Probability Definition(s)Numeric probability
PurposeScientific interest: Intended for scientific research and general scientific interest; usually published in academic journals
AudienceScientists (usually in scientific publication)
Language(s)English
Basemap(s)Hillshade
Basemap overlay(s)Inhabited areas
DiemsionalityPlanimetric (2D or map) view
Color SchemeRed to Green
Go to Global Volcanism Program page for Vesuvius →