International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Most Trusted Research Journal Since Year 2012

ISSN: 2319-7064

Research Paper | Earth Science and Engineering | United States of America | Volume 7 Issue 1, January 2018

The Influence of Spatial Variations of Gutenberg-Richter Parameter (b-value) in the Red Sea Seismicity

Abdullah Al-haj, Nathainail Bashir

The Spatial variations of Gutenberg-Richter parameter b-value during the period 1990 to 2014 in The Red Sea was calculated. The study area was divided into 4 different seismic sub-regions. We calculated the spatial variation of b-value in the whole study area of the red sea and in each sub-region separately. The distribution of the b-value is related to the stress levels of the faults. We observed that b-value changes before the major earthquakes in the 4 seismic regions to evaluate the spatial distribution of seismic hazards. The b-values equals to 0.86 is relating to the region (1) that is at the northern part of the Red Sea. The two-middle regions (2) and (3) are about 1.34 and 0.98 respectively. While the Southern region (4) is approximately 0.94. Some have concluded that the b-values drop instantly before large shocks. Others suggested that temporally stable low b-value zones identify future large earthquake locations. Mapping of b-value distribution provides information about the state of stress in that region, i.e. lower b-values associated with epicentral areas of large earthquakes as in region (1) and (4). While higher b-value associated with small earthquakes as in case of region (2) and (3). Bayrak et al. (2017).

Keywords: b-value, Seismic Hazard, Seismicity, Earthquakes, Red Sea

Edition: Volume 7 Issue 1, January 2018

Pages: 127 - 132


How to Cite this Article?

Abdullah Al-haj, Nathainail Bashir, "The Influence of Spatial Variations of Gutenberg-Richter Parameter (b-value) in the Red Sea Seismicity", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=ART20179075, Volume 7 Issue 1, January 2018, 127 - 132

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Research Paper, Earth Science and Engineering, United States of America, Volume 7 Issue 1, January 2018

Pages: 127 - 132

The Influence of Spatial Variations of Gutenberg-Richter Parameter (b-value) in the Red Sea Seismicity

Abdullah Al-haj, Nathainail Bashir

Share this article

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