Records of tsunamis in the Indian Ocean with a particular focus on the northern end of the Bay of Bengal

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dc.contributor.authorAlam, Een_AU
dc.contributor.authorDominey-Howes, Den_AU
dc.contributor.authorGoff, JGen_AU
dc.contributor.authorChagué-Goff, Cen_AU
dc.date.accessioned2021-06-09T23:34:43Zen_AU
dc.date.available2021-06-09T23:34:43Zen_AU
dc.date.issued2021-07-03en_AU
dc.date.statistics2021-03-05en_AU
dc.description.abstractThe Indian Ocean was considered to have a low tsunami risk in comparison to the Pacific Ocean but the 2004 Indian Ocean tsunami has challenged that idea. Recently, debate has arisen regarding the potential tsunamigenic nature of the Northern Bay of Bengal region. To test this debate, we document historical tsunamis in the Indian Ocean region with a particular focus on the Northern Bay of Bengal (Latitude 15oS to 29oN and Longitude 70oE to 106oE) through detailed analysis of records contained within online global tsunami catalogues, regional tsunami databases, research papers, newspapers and so on. A total of 122 tsunamis are reported in the existing datasets. After completing a process of validity assessment, we recognised 29 definite tsunamis, 17 very probable tsunamis, 20 possible tsunamis, 30 doubtful tsunamis, 19 events that only caused a seiche or disturbance in an inland river and seven as erroneously reported events, which are cyclones or earthquakes. We record 13 reported tsunamis having occurred prior to 1800 AD and 109 tsunamis between 1800 AD and August 2010. Of the reported events, the tsunamis of 2 April 1762, 11 November 1842, 31 December 1881, 27 August 1883, 5 May 1930 and 24 December 2004 severely impacted the northern Bay of Bengal and adjoining regions. We encountered a number of challenges while recording data from the sourced documents, which include: incorrect and incomplete citations, difference in dates from different sources for the occurrence of the same event, contradictory descriptions of earthquakes, tsunamis and cyclones.en_AU
dc.identifier.citationAlarm, E., Dominey-Howes, D., Goff, J., & Chagué-Goff, C. (2011). Records of tsunamis in the Indian Ocean with a particular focus on the northern end of the Bay of Bengal. Paper presented to the 2011 International Union of Geodesy and Geophysics (IUGG) General Assembly, Earth on the Edge: Science for a Sustainable Planet, 28 June - 7 July 2011, Melbourne, Australia. Retrieved from http://iugg.org/archive/iugg2011/tourhosts.com.au/live/iugg2011/pdf/IUGG2011_FinalEntireProgram.6June.pdfen_AU
dc.identifier.conferenceenddate7 July 2011en_AU
dc.identifier.conferencename2011 International Union of Geodesy and Geophysics (IUGG) General Assembly, Earth on the Edge: Science for a Sustainable Planeten_AU
dc.identifier.conferenceplaceMelbourne, Australiaen_AU
dc.identifier.conferencestartdate28 June 2011en_AU
dc.identifier.urihttp://iugg.org/archive/iugg2011/tourhosts.com.au/live/iugg2011/pdf/IUGG2011_FinalEntireProgram.6June.pdfen_AU
dc.identifier.urihttp://iugg.org/archive/iugg2011/tourhosts.com.au/live/iugg2011/abstracts/pdf/abstracts/81106015_ALAM04636.pdfen_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/10831en_AU
dc.language.isoenen_AU
dc.publisherInternational Union of Geodesy and Geophysicsen_AU
dc.subjectIndian Oceanen_AU
dc.subjectTsunamisen_AU
dc.subjectNatural disastersen_AU
dc.subjectData analysisen_AU
dc.subjectEarthquakesen_AU
dc.subjectAsiaen_AU
dc.titleRecords of tsunamis in the Indian Ocean with a particular focus on the northern end of the Bay of Bengalen_AU
dc.typeConference Presentationen_AU
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