Study Areas and Education Activities

Research Themes and Study Sites

 

The Andaman and Nicobar Islands: recurrence of large earthquakes and tsunamis, using coral growth patterns and onshore geology; co-seismic and interseismic crustal deformation

Tsunami hazards of the Indian Ocean countries including the Makran Coast of Iran: recurrence of major earthquakes and tsunamis and its hazard implications on the Indian coast (ongoing)

Studies along the southeastern coast of India to constrain the tsunami surges of the past (ongoing).

Killari (Maharashtra): earthquake recurrence in continental interiors of India.

Kachchh (Gujarat): to estimate the earthquake recurrence and landscape evolution in this region and the impact of active tectonics on indigenous cultures.

The Central and Northeast Himalaya: the pattern of seismic occurrences and seismotectonic models in the central Himalaya and in the lower Assam (the Shillong Plateau) and the Upper Assam.

Seismic hazard of the peninsular India: Tectonic evaluation and earthquake potential  of the Panvel structure (Maharashtra): the earthquake potential of the Panvel structure in the Western Maharashtra and Mumbai; seismic hazard in Kerala

Paleoseismicity and neotectonics of the Atlantic Sea Board (USA): Extensive paleoseismological studies in the coast of South Carolina and Georgia,

South-central Mexico: tsunami geology

Anthropogenic forcing and paleoclimatic studies using various proxies.

 

Research Projects:

   2009-2013

Predicting tsunami recurrences along the southeast coast of India and southwest coast of Mexico; Indo-Mexican S&T Cooperation Program, Dept. of Science and Technology, Govt. of India (Principal Investigator)

Estimating the recurrence of earthquakes in the central-eastern Himalaya and Upper Assam, Seismology Division, Ministry of Earth Sciences, Govt. of India (Principal Investigator)

Tsunami recurrence in the Bay of Bengal: Indian National Centre for Ocean Information Services, Ministry of Earth Sciences (co-investigator)

GPS Monitoring of crustal movements along the Mangalore-Chennai Axis, Seismology Division, Ministry of Earth Sciences, Govt. of India, Principal investigator.

Tracking the Anthropocene and beyond: An earth system science approach to evaluate the impact of human forcing; Ministry of Earth Sciences (co-investigator)

Revisiting the source zone of the 1819 Rann of Kachchh earthquake to constrain the deformation characteristics, Seismology Division, Ministry of Earth Sciences, Govt. of India, co-investigator.

Seismotectonic evaluation around nuclear power plant sites in the coastal regions of peninsular India, Board of Research in Nuclear Sciences, co-investigator (program with scientists at national Institute of Rock Mechanics, Kolar).

Parallelized computational modeling of tsunamis through ruptures or submarine landslides: Forward and inverse problems. Indian National Institute of Ocean Information Services (INCOIS), co-investigator. Program with faculty at the Dept. of Civil Engineering, IISc..

Indo-Australian project (between Indian Institute of Science and Melbourne University) on "Characterization of the seismic cycle in the central Himalayan seismic gap using precise U-Th dating of deformed speleothems" (a project to be funded under Australia-India strategic research fund); as co-PI from Indian side.

2009-1995

Earthquake recurrence in the Andaman-Nicobar Arc, (2006-2009), Department of Science and Technology, Govt. of India.

Developing spatial and temporal constraints on earthquakes in Gujarat using paleoseismological techniques (2004-2007). Department of Science and Technology, Govt. of India.

Installation, Operation of continuous GPS stations in Sri Lanka (co-investigator, in collaboration with Memphis University, USA and Geological Survey & Mines Bureau, Sri lanka.

Post-earthquake GPS survey in Andaman & Nicobar Islands (2005-2006). Department of Science and Technology, Govt. of India.

Paleoseismicity and deformation cycle in the Andaman-Nicobar Arc: An integrated study of active tectonic processes (2001-2002), Department of Science and Technology, Govt. of India.

A study on the role of active tectonics in the development of ancient indigenous cultures around Gulf of Cambay, northwest India, National Institute of Ocean Technology, Govt. of India, 2002- 2005).

Developing an improved database for seismic hazard assessment in Kerala (2003-2006). Plan scheme of Centre for Earth Sciene Studies, Trivandrum.

GPS constraints on strain rate across the Andaman-Nicobar Islands: Kinematics of subduction zone tectonics and plate margin deformation (2003-2006). Plan scheme of Centre for Earth Science Studies, Trivandrum.

Post-earthquake studies in the epicentral region of the 2001 Bhuj earthquake (2001-2003). Department of Science and Technology, Govt. of India. 

Paleoseismological studies in selected sites of peninsular India with special emphasis on the Rann of Kachchh (1997-2000). Department of Science and Technology, Govt. of India.

Paleoseismological Studies of the 1993 Killari Earthquake: Implications for Intraplate Seismicity (1994-1997). Department of Science and Technology, Govt. of India.

Paleoseismological investigations in the Kumaun Himalaya   (1997-2002)

       Department of Science and Technology, Govt. of India.

Paleoseismological study in Assam (2002), Department of Science and Technology, Govt. of India.

Tectonic evaluation of Panvel flexure using paleoseismological techniques (2004-2007) Department of Atomic Energy, Government of India.

A comparative study between the 1819 Kachchh and the 2001 Bhuj earthquakes based on deformation patterns and ground liquefaction (2001-2004), Dept. of Science and Technology, Government of India.

Microseismicity studies in various parts of Kerala (2 projects) (1995- 2000)

Revenue Department, Government of Kerala

Preparation of a brochure on basic information on earthquakes and research programs of the DST. Department of Science and Technology, Government of India (1998).

Preparation of bi-annual newsletters on seismological programs of the Department of Science and Technology, Government of India. Department of Science and Technology, Government of India (1998- 2003).

Upgradation and operation of Broadband/Seismological observatories in the peninsular shield of India: Department of Science and Technology, Government of India, (2006-2009).

 

Education and Outreach Activities

 

Invited speaker at University of Bangalore, Dept. of Geology, meeting on enhancing science and technology research in the state universities, March 18, 2010.

Invited speaker at University of Madras on the meeting on Natural Disasters, March 12, 2010

Earth Day Celebrations: invited speaker, Indian Institute of Science, Bangalore, April 22, 2009

Science and Engineering Research Council (DST) course on climate and tectonics 2009, Sikkim Manipal Institute of Technology, Rangpo, Sikkim, May 27-June 10, 2009 (faculty).

Science and Engineering Research Council (DST) course on tectonic geomorphology and paleoseismology: Bhuj, Lalan College, November 12-22, 2007 (Course Director and faculty).

Workshop on Tectonic Geomorphology: IIT-Kanpur, May 3-7, 2004:  Lectures Notes: Active Fault Research: Concepts, Methods and Case Studies (Faculty)

Course on paleoseismology and earthquake geology, Punjab University, Chandigarh, Oct. 8-12, 2002 (Course Director and faculty).

Contact course on contemporary concepts and tools in fold-and-thrust belt deformation, Centre for Mathematical Modelling and Computer Simulation (CMACCS), Bangalore during Nov. 26-Dec. 1, 2001 (Faculty)

The Summer School on active tectonics and paleoseismology organized by the European Centre for Geodynamics and Seismology at Luxembourg during 10-22 July 1998. (Faculty)

The Short Course on active tectonics and paleoseismology sponsored by the Department of Science and Technology, Government of India, at Bangalore, during 14-19 September, 1998 (Course Director and Co-ordinator)

Convener of the Earth Science Forum, CESS (1981-1983).

Co-editor of the brochure on ‘Earthquake Research in India’, Seismology  Division, Department of Science and Technology, Govt. of India

Short-term course on paleoseismology sponsored by the Department of Science and Technology, Government of India, Manipur University, Imphal, 15-20, November, 1999 (Course Director).

 

 

 

 Professional Meetings

American Geophysical Union meeting in San Francisco, USA, December, 2010.

As an expert in Intergovernmental Oceanographic Commission (IOC) under UNESCO sponsored field workshop on Makran tsunami hazards, Western Makran coast, Hormozgan Province, Iran, October 9-20, 2010.

Co-convener and chair of session SE-58; Tsunami hazard of the Indian and Pacific Oceans, Asia-Oceania Geosciences Meeting (AOGS), Suntec, Singapore 11-15, 2009.

National Conference on coastal processes, resources and management, Thiruvananthapuram, February 5-7, 2010 (invited speaker)

Co-convener and chair of session SE-58; Tsunami hazard of the Indian and Pacific Oceans, Asia-Oceania Geosciences Meeting (AOGS), Suntec, Singapore 11-15, 2009.

Sri Lanka (Kandy): Establishment of a permanent GPS station in collaboration with Bureau of Mines and Geology, Sri Lanka and Memphis University, USA, Dec. 2008.

Field workshop on tsunami geology. Oman, May 16-26, 2008, sponsored by UNESCO-IOC

International symposium on the restoration program from giant earthquakes and tsunamis, Phuket, Thailand, January 22-24, 2008.

UNESCO-IOC meeting on the Indian Ocean tsunami, Dubai, November 2-5, 2007.

Field workshop on tsunami geology. Sri Lanka, October 20-30, 2007.

American Geophysical Union (AGU), Fall Meeting, Lead convener of the session T-39 Earthquake and tsunami hazards around the Indian Ocean; Dec. 4-10, 2007, San Francisco

UNESCO-IOC workshop on Methodologies for Indian Ocean tsunami hazard assessment, Bandung, Indonesia, July 17-18, 2007 (invited speaker).

IUGG XXIV 2007 Perugia, Italy (July 2-13, 2007): Co-convener of the session JAS 012 “Seismological geological and tectonic interpretation of geomagnetic anomalies on continents and oceans”

Association of Asia Oceania Geosciences Meeting (AOGS), on “Restoration program from giant earthquakes and tsunamis”, July 30-August 3, 2007, Bangkok. Invitation to present a paper entitled, “Preliminary inferences on the tsunami frequency in the Bay of Bengal inferred from geology of the Andaman-Nicobar and the southeastern coast of India and near-field post-seismic deformation measurements”.

Association of Asia Oceania Geosciences Meeting (AOGS), on “Restoration program from giant earthquakes and tsunamis”, July 10-14, Singapore, Chaired a session “Recent earthquakes and tsunamis in Asia and Oceania”.

Chapman Conference on “Active Tectonics and Seismic Potential of Alaska”, Girdwood, Alaska, USA during May 11-14, 2006.

American Geophysical Union Fall Meeting. San Francisco December 05-09, 2005. Co-Convener and session chair of the special session on Interdisciplinary studies of the Dec. 26th 2004 great Sumatra-Andaman earthquake and tsunami.

Memorial Conference on Indian Ocean Tsunami, December 14-16, 2005 Tokyo, Japan, Invited speaker.

Association of Exploration Geo Scientists (AEG), Pune, November 17, 2005, Invited Speaker and session chair on 2004 Sumatra earthquake.

Convener, two day workshop-cum-field trip on Seismicity and tectonics of the Andaman &Nicobar subduction zone” at Port Blair, sponsored by Department of Science and Technology during August 11 and 12, 2005.

Field Workshop on tsunami paleogeology, Chile, February 02-26, 2005, at the invitation of the U.S. Geological Survey.

32nd International Geological Congress, Florence, Italy, August 20-29, 2004.

Workshop on tectonic geomorphology, May 4-7, 2004, IIT Kanpur (invited speaker).

Workshop on current Practices and future trends in earthquake geotechnical engineering, 23-24, December 2003. Indian Institute of Sciences, Bangalore (invited speaker).

Indo-U.S. Workshop on seismicity and geodynamics, Oct. 6-10, 2003, National Geophysical Research Institute, Hyderabad (keynote speaker).

International meeting on the Bhuj earthquake, IIT, Kanpur; invited speaker; January 26-27, 2003.

Meeting on coping with natural disasters, National Science Academy of India, Pune, Oct. 5-6, 2001

International School of Geophysics, Erice, Sicily, Italy, July 5-9, 2001. ‘Recognizing seismogenic sources in India’ (invited speaker).

International Symposium and School on earthquake faulting- Hokudan, Japan, Jan. 17-26, 2000 (International Lithosphere Program).

AGU Chapman Conference on Seismicity of Stable Continental Interiors, Jan. 25-29, 1998, Hyderabad,

Second Meeting of the Asian Seismological Commission, 1-3 December 1998, Hyderabad.

Penrose Conference on Tectonics of Continental Interiors, Geological Society of America, September 1997, Utah, USA.

The interaction meet of active young Earth scientists of India at Jammu, sponsored by the Department of Science and Technology, August 21-23, 1995.