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- Title
Evidence of ancient sea surges at the Mamallapuram coast of India and implications for previous Indian Ocean tsunami events.
- Authors
Rajendran, C. P.; Rajendran, Kusala; Machado, Terry; Satyamurthy, T.; Aravazhi, P.; Jaiswal, Manoj
- Abstract
The Indian Ocean may have a geologic history of tsunami events similar in size and source area comparable to that of the 26 December 2004 event. Searching for geological evidence for previous tsunamis in the near-source region is one way to constrain previous occurrence of such events. Since the 2004 tsunami proved devastating even far from its source, evidence for predecessors can be sought in remote locations, including the east and southwest coasts of India. Here we report observations from two trenches in the Mamallapuram (Mahabalipuram) beach, 55 km south of Chennai (Madras) on the east coast of India, an area also affected by the 2004 tsunami. We discuss the possibility that the sections in question may contain evidence to suggest two pre-2004 tsunami events occurring ∼1000 years and ∼1500 years ago respectively.
- Subjects
INDIAN Ocean; INDIA; HISTORY of geology; TSUNAMIS; COASTS
- Publication
Current Science (00113891), 2006, Vol 91, Issue 9, p1242
- ISSN
0011-3891
- Publication type
Article