A catalogue of earthquakes between 810BC and 2012 for the Bay of Bengal

Edris Alam () and Dale Dominey-Howes
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Edris Alam: University of Chittagong
Dale Dominey-Howes: The University of Sydney

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2016, vol. 81, issue 3, No 32, 2102 pages

Abstract: Abstract Assumptions about regional earthquake hazard in the Bay of Bengal and the frequency of such events were brought into question by the 26 December 2004 Indian Ocean earthquake and tsunami. An initial element of earthquake risk management is to quantify the hazard, and catalogues of past events are a major contribution to that effort. We have developed a new comprehensive catalogue of earthquakes with a felt intensity occurring before 31 December 1899 and of magnitude of four and above for instrumentally recorded events from 1 January 1900 using all available sources. Between 810BC and 2012, we find that 562 earthquakes were experienced in the Bay of Bengal and Bangladesh. Unsurprisingly, data on events become increasingly scarce the further back in time the catalogue extends and significant conflicts and discrepancies are identified for events listed in different sources. Nonetheless, our new data catalogue provides a useful foundation upon which further archival research may build in order to develop a richer understanding of regional earthquake hazard.

Keywords: Earthquakes; Records; Hazards; Bangladesh; Bay of Bengal (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s11069-016-2174-7

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