NDLI: Does the future of tsunami intensity scales lie in past events?

Content Provider	Springer Nature Link
Author	Barberopoulou, A. Scheele, F.
Copyright Year	2015
Abstract	Post-disaster assessments for historical tsunami events (>25 years old) are either scarce or contain limited information. In this study, we assess ways to examine tsunami impacts by utilizing data from old events, but more importantly we examine how to best utilize information contained in tsunami historical databases, in order to provide meaningful products that describe the impact of the event. As such, a tsunami intensity scale was applied to two historical events that were observed in New Zealand (one local and one distant), in order to utilize the largest possible number of observations in our dataset. This is especially important for places like New Zealand where the tsunami historical record is short, going back only to the nineteenth century, and where instrument recordings are only available for the most recent events. We found that despite a number of challenges in using intensities—uncertainties partly due to limitations of historical event data—these data with the help of GIS tools can be used to produce hazard maps and offer an alternative way to exploit tsunami historical records. Most importantly, the assignment of intensities at each point of observation allows for the utilization of many more observations than if one depends on physical information alone, such as water heights. We hope these results may be used toward developing a well-defined methodology for hazard assessments and refine our knowledge for past tsunami events for which the tsunami sources are largely unknown, but also when physical quantities describing the tsunami (e.g., water height, flood depth, and run-up) are scarce.
Starting Page	401
Ending Page	424
Page Count	24
File Format	PDF
ISSN	0921030X
Journal	Natural Hazards
Volume Number	80
Issue Number	1
e-ISSN	15730840
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-10-12
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Tsunami Intensity scale Hazard map Historical tsunami Natural Hazards Hydrogeology Geophysics/Geodesy Geotechnical Engineering & Applied Earth Sciences Civil Engineering Environmental Management
Content Type	Text
Resource Type	Article
Subject	Atmospheric Science Water Science and Technology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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