Publications related to the GRACE Missions (no abstracts)

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Geological heterogeneity and hydrological dynamics impact on triggered earthquake genesis in Deccan basaltic terrain of western India

Aruna Kumari, Kondarathi, Surinaidu, Lagudu, Srinu, Yedavally, and Gahalaut, Kalpna, 2025. Geological heterogeneity and hydrological dynamics impact on triggered earthquake genesis in Deccan basaltic terrain of western India. Acta Geophysica, 73(4):3431–3440, doi:10.1007/s11600-025-01604-7.

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@ARTICLE{2025AcGeo..73.3431A,
       author = {{Aruna Kumari}, Kondarathi and {Surinaidu}, Lagudu and {Srinu}, Yedavally and {Gahalaut}, Kalpna},
        title = "{Geological heterogeneity and hydrological dynamics impact on triggered earthquake genesis in Deccan basaltic terrain of western India}",
      journal = {Acta Geophysica},
     keywords = {Koyna-Warna reservoirs, Triggered earthquakes, Geospatial techniques, Lineament density, Lineament trend, Groundwater storage anomaly},
         year = 2025,
        month = aug,
       volume = {73},
       number = {4},
        pages = {3431-3440},
     abstract = "{Reservoir triggered seismicity (RTS) have been documented at about 700
        locations worldwide, with the Koyna-Warna region in Western
        India hosted the largest triggered earthquake of magnitude 6.3.
        Despite substantial work has been done to understand the genesis
        of triggered earthquakes around Koyna-Warna reservoirs, most of
        the research has been limited to the immediate areas of the
        reservoirs. In this study, we expand the investigation to
        encompass a broader area, aiming to explore the impact of
        geological heterogeneity and groundwater storage anomalies
        derived from GRACE satellite data on earthquake occurrence in
        the region. Utilising 30-m resolution digital elevation model,
        we extracted lineaments and generated lineament density and
        trend maps. Analysis reveals a total of 927 lineaments spanning
        33.73 km, with shorter lineaments comprising 70\% of the total
        count. Lineament density ranges from 0 to 1.8 km/km$^{2}$,
        indicating varying degrees of rock fracturing, with densities of
        0.6-1.20 km/km$^{2}$ and 0.4-0.6 km/km$^{2}$ indicate high and
        moderate levels. Dominant lineament trends are observed in the
        N-S, NNW-SSE and WNW-ESE directions. Good correlation between
        lineament density, and earthquake occurrence is observed which
        is further validated from groundwater anomaly.}",
          doi = {10.1007/s11600-025-01604-7},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2025AcGeo..73.3431A},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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