Seismic identification of geothermal prospecting in Harrat Rahat, Northern Arabian Shield

Harrat Rahat volcanic field lies along the Makkah-Madinah-Nafud active volcanic line. It has extensive linear weak zones of wrench faults that could provide ideal conduits for upwelling magma and hydrothermal fluids as well. Passive seismic data recorded by seismic stations installed within and arou...

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Bibliographic Details
Published in:Arabian journal of geosciences 2020-04, Vol.13 (8), Article 314
Main Authors: Al-Amri, Abdullah M., Abdelrahman, Kamal, Mellors, Robert, Harris, David
Format: Article
Language:English
Subjects:
Ambient noise
Computational fluid dynamics
Earth and Environmental Science
Earth science
Earth Sciences
Exploration
Fault detection
Fault lines
Fluids
GEOSCIENCES
geothermal renewable energy
Geothermal resources
Harrat Rahat
Lava
Magma
Microseisms
Ocean circulation
Original Paper
passive seismic data
Saudi Arabia
Seismic activity
Seismic data
Seismic surveys
Upwelling
Velocity
Volcanic activity
Volcanic fields
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Summary:Harrat Rahat volcanic field lies along the Makkah-Madinah-Nafud active volcanic line. It has extensive linear weak zones of wrench faults that could provide ideal conduits for upwelling magma and hydrothermal fluids as well. Passive seismic data recorded by seismic stations installed within and around Harrat Rahat has been processed for the detection of microseismic events. Moreover, ambient noise was also gathered and analyzed to construct a subsurface velocity model. This model indicates low velocity zone in Harrat Rahat, and two areas with coincident basement faults and possibly with enhanced subsurface temperatures were identified. It is concluded that Harrat Rahat has high geothermal potential and promising for geothermal renewable power.
ISSN:1866-7511
1866-7538
DOI:10.1007/s12517-020-05300-2