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Tsunami methodology and result overview - UNISDR Global Assessment Report 2015 - GAR15

Created 17/10/2025

Updated 17/10/2025

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The present report gives a brief overview of the tsunami hazard component of the Global Assessment Report 2015, involving a global hazard analysis. Tsunamis are infrequent events with the power to cause massive loss of life, large economic losses, and cascading effects such as destruction of critical facilities. Infrequent, but large and highly destructive tsunami events generally pose greater risk than the cumulative effect of smaller and more frequent events. The assessment presented here is the first global scale probabilistic assessment of tsunami hazard. This report details the methodology and input parameters used in this assessment. The results of this assessment are tsunami inundation footprints for a suite of earthquake events, each with an associated probability of occurrence. These results are then used by CIMNE to undertake probabilistic risk assessment, which is reported separately. There are a number of limitations that result from undertaking a global scale hazard assessment that are detailed in this report. It should be stressed that the results presented here should not be used for local scale hazard and risk assessment, or to inform any local scale disaster management activities. Rather, they are intended to provide an overview from a global perspective that allows broad comparison between different regions.

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Field Value
Title Tsunami methodology and result overview - UNISDR Global Assessment Report 2015 - GAR15
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/df78c85c-ef74-45fa-95cd-d2c7682b9207
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 22/04/2018
Geospatial Coverage Australia
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Tsunami methodology and result overview - UNISDR Global Assessment Report 2015 - GAR15". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/tsunami-methodology-and-result-overview-unisdr-global-assessment-report-2015-gar15