A review of b-value imaging and fractal dimension studies in the Andaman Sumatra subduction

Kirti Srivastava (), Swaroopa Rani and D. Srinagesh

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2015, vol. 77, issue 1, 97-107

Abstract: The Andaman–Sumatra is one of the seismically active subduction zones and experienced three largest earthquakes in the recent past and rupturing more than 1,600-km-long portion of the plate boundary. The seismicity analysis of these large earthquakes source region (5°S–15°N latitude and 90°E–103°E longitude) has been carried out by several researchers and quantified the spatial and temporal variation of b-value which is a proxy to differential stress conditions and fractal dimension which is an indicator of material heterogeneity and strength. The results of all these studies clearly bring out the low b-value and low fractal dimension corresponding to locales were sizable magnitude earthquakes have occurred. Further locales of high stress regions are identified. Copyright Springer Science+Business Media Dordrecht 2015

Keywords: Andaman–Sumatra; Subduction zone; b-Value; Fractal dimension; Seismicity (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s11069-014-1143-2

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