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Lineament Fabric from Airborne LiDAR and its Influence on Triggered Earthquakes in the Koyna-Warna Region, Western Indiaстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 10 февраля 2018 г.
- Авторы: Arora K., Chadha R.K., Srinu Y., Selles A., Srinagesh D., Smirnov V.B., Ponomarev A.V., Mikhailov V.O.
- Журнал: Journal of the Geological Society of India
- Том: 90
- Год издания: 2017
- Издательство: Geological Society of India
- Местоположение издательства: India
- Первая страница: 670
- Последняя страница: 677
- DOI: 10.1007/s12594-017-0774-9
- Аннотация: We present the results of the first airborne LiDAR survey flown in the Koyna-Warna region and examine the relationship between the lineament fabric and the ongoing seismicity in the region. Our studies reveal that earthquakes of M≥4.0 for the period 1968 to 2016 are strongly correlated with a 10 km wide N-S fracture zone, which not only represents the surface expression of seismically active basement faults, but also act as conduits for water percolation between the Koyna and Warna reservoirs. A decreasing trend in the annual distribution of earthquakes was observed from 1985. A new burst of seismic activity in 1993 followed the impoudment of the Warna reservoir. We report a change in annual seismicity pattern, where seismicity peaks during September and December in the pre-Warna period, with a new peak emerging during March-April subsequent to the impoundment of Warna reservoir.A model is proposed to explain the seismicity along dominant N-S lineaments and the impact of Warna reservoir impounding which altered the hydrogeologic regime in the region.
- Добавил в систему: Смирнов Владимир Борисович
Прикрепленные файлы
| № | Имя | Описание | Имя файла | Размер | Добавлен |
|---|---|---|---|---|---|
| 1. | Полный текст | 10.1007_s12594-017-0774-9.pdf | 5,8 МБ | 6 января 2018 [vbs60] |