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  1. No Access

    Chapter

    Coulomb Stress Change of the 2012 Indian Ocean Doublet Earthquake

    The 2012 Sumatra (Mw 8.6) earthquake, which falls into the largest and rarest group of the great intraplate earthquakes, continues to awe many brilliant minds. An enormous aftershock (Mw 8.2) was felt two hours a...

    Pankhudi Thakur, Rohtash Kumar, Ranjit Das… in Recent Developments in Earthquake Seismolo… (2024)

  2. No Access

    Chapter

    Regression Relations for Magnitude Conversion of Northeast India and Northern Chile and Southern Peru

    For any seismic study, particularly seismic hazard estimations, land use control, and other seismological applications, a unified earthquake catalog is essential. It was necessary to convert various earthquake...

    Ranjit Das, Claudio Meneses… in Recent Developments in Earthquake Seismolo… (2024)

  3. No Access

    Chapter

    Data-Driven Spatiotemporal Assessment of Seismicity in the Philippine Region

    The present study provides a retrospective analysis of the geographical and chronological fluctuations of three basic statistical characteristics of seismicity using a big dataset of events that occurred betwe...

    Amritansh Rai, Rohtash Kumar, Ankit Singh… in Recent Developments in Earthquake Seismolo… (2024)

  4. Article

    Open Access

    Regression relationships for conversion of body wave and surface wave magnitudes toward Das magnitude scale, Mwg

    A reliable and standardized estimation of earthquake size is a fundamental requirement for all tectonophysical and engineering applications. Several investigations raised questions about the determinations of ...

    Ranjit Das, Claudio Menesis, Diego Urrutia in Natural Hazards (2023)

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  5. No Access

    Article

    Estimation of slope length gradient (LS) factor for the sub-watershed areas of Juri River in Tripura

    The slope length gradient (LS) factor expresses the effect of topography, i.e., combining effects of slope length (L) and slope steepness (S) on rate of soil erosion. The longer the slope length, greater is th...

    Susanta Das, Pradip Kumar Bora, Ranjit Das in Modeling Earth Systems and Environment (2022)

  6. No Access

    Article

    A hybrid deterministic and stochastic approach for tsunami hazard assessment in Iquique, Chile

    The southern Peru and northern Chile coastal region is an active subduction zone that contains one of the most significant seismic gaps in the eastern Pacific basin (~ 17°S–~ 24°S). Although the gap was partia...

    Juan González, Gabriel González, Rafael Aránguiz, Diego Melgar… in Natural Hazards (2020)

  7. No Access

    Chapter

    Regression Relations for Magnitude Conversion for the Indian Region

    Earthquake catalogs contain data about time of occurrence, hypocentral coordinates, earthquake magnitude, and other earthquake information. The data is derived from the observations of different seismic wave t...

    H. R. Wason, Ranjit Das, M. L. Sharma in Advances in Indian Earthquake Engineering … (2018)

  8. No Access

    Article

    Probabilistic Seismic Hazard Assessment for Northeast India Region

    Northeast India bounded by latitudes 20°–30°N and longitudes 87°–98°E is one of the most seismically active areas in the world. This region has experienced several moderate-to-large-sized earthquakes, includin...

    Ranjit Das, M. L. Sharma, H. R. Wason in Pure and Applied Geophysics (2016)

  9. No Access

    Article

    Probabilistic seismic hazard assessment of NW and central Himalayas and the adjoining region

    The Himalayan region has undergone significant development and to ensure safe and secure progress in such a seismically vulnerable region there is a need for hazard assessment. For seismic hazard assessment, i...

    Madan Mohan Rout, Josodhir Das, Kamal, Ranjit Das in Journal of Earth System Science (2015)

  10. No Access

    Article

    Probabilistic seismic hazard assessment of Himachal Pradesh and adjoining regions

    Seismically active Himachal Pradesh and adjoining regions comprising Himalayan orogenic belt with the experience of the great Kangra earthquake of 1905, has high potential for river valley projects. There are ...

    NILESH SHALIGRAM PATIL, JOSODHIR DAS, ASHWANI KUMAR… in Journal of Earth System Science (2014)

  11. No Access

    Article

    Homogenization of Earthquake Catalog for Northeast India and Adjoining Region

    A catalog for northeast India and the adjoining region for the period 1897–2009 with 4,497 earthquakes events is compiled for homogenization to moment magnitude M w,GCMT in the magnitude range 3–8...

    Ranjit Das, H. R. Wason, M. L. Sharma in Pure and Applied Geophysics (2012)

  12. No Access

    Article

    Temporal and spatial variations in the magnitude of completeness for homogenized moment magnitude catalogue for northeast India

    Northeast India region is one of the most seismically active areas in the world. Events data for the period 1897–2010, used in this study has been largely compiled from global ISC, NEIC and GCMT databases. His...

    RANJIT DAS, H R WASON, M L SHARMA in Journal of Earth System Science (2012)

  13. No Access

    Article

    Global regression relations for conversion of surface wave and body wave magnitudes to moment magnitude

    A homogenous earthquake catalog is a basic input for seismic hazard estimation, and other seismicity studies. The preparation of a homogenous earthquake catalog for a seismic region needs regressed relations f...

    Ranjit Das, H. R. Wason, M. L. Sharma in Natural Hazards (2011)