Probabilistic hazard maps of tephra fallout showing a set of isolines of mass per unit area associated with different values of conditional probability (10%, 50%, and 90%) for the occurrence of a sub-Plinian eruption at El Boquerón volcano (plume height between 12 and 20 km).
San Salvador, El Salvador, 2023
Figure 4 in: Aravena, A., Bevilacqua, A., Neri, A., Gabellini, P., Ferrés, D., Escobar, D., Aiuppa, A., & Cioni, R. (2023). Scenario-based probabilistic hazard assessment for explosive events at the San Salvador Volcanic complex, El Salvador. Journal of Volcanology and Geothermal Research, 438, 107809.
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
Aravena, A., Bevilacqua, A., Neri, A., Gabellini, P., Ferrés, D., Escobar, D., Aiuppa, A., & Cioni, R. (2023). Scenario-based probabilistic hazard assessment for explosive events at the San Salvador Volcanic complex, El Salvador. Journal of Volcanology and Geothermal Research, 438, 107809.
https://doi.org/10.1016/j.jvolgeores.2023.107809
Other Maps In Set:
- Probabilistic hazard maps of tephra fallout showing a set of isolines of mass per unit area associated with different values of conditional probability (10%, 50%, and 90%) for the occurrence of a Plinian eruption at El Boquerón volcano (plume height between 20 and 30 km)
- Probabilistic hazard maps of tephra fallout showing a set of isolines of exceedance probability associated with different values of mass per unit area on the ground (1, 10, 50 and 100 kg/m2)
- Conservative probabilistic hazard map of PDC (see text for explanation) showing the inundation probability conditioned on the occurrence of a column collapse during a Plinian eruption (reference event: G-1) at El Boquerón volcano
- Conservative probabilistic hazard map of PDC showing the inundation probability conditioned on the occurrence of partial column collapse during a sub-Plinian eruption (reference event: Talpetate I) at El Boquerón volcano
- Probabilistic hazard map of PDC showing the inundation probability conditioned on the occurrence of a small-scale PDC at the SSVC
Map Data
Map ID 4209 Hazard Process(es) Tephra fall Hazard Zone Presentation Single hazard: A single hazard process is represented 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) Tephra2 (Bonadonna et al. 2005; Bonadonna et al. 2010; Connor et al. 2011); TephraProb (Biass et al. 2016) Scenario(s) Considered Season or weather; Size, VEI, or intensity 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) Digital Elevation Model (DEM) Diemsionality Planimetric (2D or map) view Color Scheme Symbols and/or lines only