Tsunami databases: The problems of acceptance and absence |
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| Institution: | 1. Istituto di Scienze Marine (ISMAR), CNR, Bologna, Italy;2. Lamont-Doherty Earth Observatory, Columbia University, NY, USA;3. Università di Modena e Reggio Emilia, Modena, Italy;4. Università Politecnica delle Marche, Ancona, Italy;1. Geomarine Research, 19 Debron Ave, Remuera, Auckland, New Zealand;2. Department of Geological Sciences, University of Canterbury, Private Bag 4800, Christchurch, New Zealand;3. Department of Education, Shimane University, Matsue, Japan;1. School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney 2052, NSW, Australia;2. Hazard and Risk Evaluation Research Division, International Research, Institute of Disaster Science (IRIDeS), Tohoku University, Aoba 6-6-11-1106, Aramaki, Aoba-ku, Sendai 980-8579, Japan;1. Departamento de Estratigrafía y Paleontología, Universidad de Granada, 18002 Granada, Spain;2. Irish Centre for Research in Applied Geosciences, University College Dublin, Belfield, Dublin 4, Ireland;3. Geocoastal Research Group, School of Geosciences, The University of Sydney, NSW 2006, Australia;4. College of Science and Engineering, James Cook University, PO Box 6811, Cairns, Queensland 4870, Australia;1. School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW 2052, Australia;2. Department of Geography, National University of Singapore, AS2, 1 Arts Link, Kent Ridge 117570, Singapore;3. Institute for Environmental Research, Australian Nuclear and Science Technology Organisation, Locked Bag 2001, Kirrawee DC, NSW 2232, Australia;4. International Research Institute of Disaster Science (IRIDeS), Tohoku University, Aoba 6-6-40-102, Aramaki, Aoba-ku, Sendai 980-8579, Japan |
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| Abstract: | Tsunami databases are not dissimilar from a wide variety of other data sources used by researchers, and yet users rarely, if ever, use them appropriately. They contain summary information of individual tsunamis, but they will always be incomplete because of the fragmentary data related to numerous past events and the difficulty of updating event information for those already included. Examples from AD1917 and AD1892 throw some light on this dilemma and show that not only is the uncritical use of such databases inappropriate, but that the data they contain may not be fit for the research questions being asked. This is unfortunate because it has probably led to at least one significant misconception developing within the tsunami community - that earthquakes are by far the most significant tsunami-genic source. When used appropriately though, tsunami database have the potential to inform and empower coastal communities. |
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| Keywords: | Tsunami database Acceptance Absence Tsunami-genic sources |
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