Analysis of community tsunami evacuation time: An overview

Global Colloquium on GeoSciences and Engineering 2017

Yunarto, Y.^1 ; Sari, A.M.^1

Research Center for Geotechnology, Indonesian Institute of Sciences, Indonesia^1

关键词: Arrival time;    Evacuation time;    Indonesia;    Number of peoples;    Tsunami waves;    Volcanic eruptions;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/118/1/012033/pdf
DOI  :  10.1088/1755-1315/118/1/012033

来源: IOP

【 摘 要 】

Tsunami in Indonesia is defined as local tsunami due to its occurrences which are within a distance of 200 km from the epicenter of the earthquake. A local tsunami can be caused by an earthquake, landslide, or volcanic eruption. Tsunami arrival time in Indonesia is generally between 10-60 minutes. As the estimated time of the tsunami waves to reach the coast is 30 minutes after the earthquake, the community should go to the vertical or horizontal evacuation in less than 30 minutes. In an evacuation, the city frequently does the evacuation after obtaining official directions from the authorities. Otherwise, they perform an independent evacuation without correct instructions from the authorities. Both of these ways have several strengths and limitations. This study analyzes these methods regarding time as well as the number of people expected to be saved.