Original Paper

Natural Hazards

, Volume 55, Issue 2, pp 513-522

Ostracoda as an aid in identifying 2004 tsunami sediments: a report from SE coast of India

  • S. M. HussainAffiliated withDepartment of Geology, School of Earth & Atmospheric Sciences, University of Madras
  • , S. P. MohanAffiliated withDepartment of Geology, School of Earth & Atmospheric Sciences, University of Madras
  • , M. P. JonathanAffiliated withCentro Interdisciplinario de Investigaciones y Estudios sobre Medio Ambiente y Desarrollo (CIIEMAD), Instituto Politécnico Nacional (IPN) Email author 

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Abstract

Four short core samples were collected from the creek, estuarine regions of southeast (SE) coast of India affected by the 2004 Asian Tsunami. The study is aimed to signify the importance of ostracoda species in identifying major natural events (e.g. Tsunamis) in the coastal regions. The presence of many marine ostracoda species in the beach areas and the comparative studies with earlier reports from SE coast indicate that these species were brought by the high-energy tsunami waves. The depositional feature of ostracoda species in the beach and estuarine region also infers on the nature and force of tsunami waves in a particular region. The results clearly support that microfossils can be used to identify the major natural events close to coastal regions.

Keywords

Ostracoda 2004 Tsunami Core sample Deposition SE coast of India