Improved characterization of local seismicity using the Dubai Seismic Network, United Arab Emirates

Eman Al Khatibi, K. M. Abou Elenean, A. S. Megahed, I. El-Hussain

Research output: Contribution to journalArticle

Abstract

In April 2006, Dubai Municipality established a broadband seismological network in Dubai Emirate, United Arab Emirates (UAE). This network was the first seismic network in UAE and consists of four remote seismic stations to observe local and regional seismic activity that may have an effect on Dubai Emirate and the surrounding areas. The network exchanges real-time data with the National Center of Meteorology and Seismology in Abu Dhabi, the Earthquake Monitoring Center in Oman and imports in real-time data from few Global Seismic Network stations, which increases the aperture of the network. In April 2012, Dubai Municipality installed an additional five free-field strong motion stations inside the urban area to estimate and publish real-time ShakeMaps for public and decision makers. Although the local seismic activity from April 2006 to June 2013 reflects low seismic activity with the Emirate, it indicates active tectonics in the relatively aseismic northern Oman Mountains region. A few inland clusters of micro-to-small earthquakes have been identified with the new network. A clear cluster of small-to-moderate earthquakes took place in the eastern part of UAE to the east of Masafi, while two clusters of micro-to-small earthquakes took place at Wadi Nazwa and northern Huwaylat. Focal mechanisms of few well recorded earthquakes in this region indicate normal faulting, generally trending NE in parallel to the transition shear zone between the collision at Zagros and the subduction at the Makran zone.

Original languageEnglish
Pages (from-to)34-44
Number of pages11
JournalJournal of Asian Earth Sciences
Volume90
DOIs
Publication statusPublished - Aug 15 2014

Fingerprint

seismicity
earthquake
seismology
strong motion
mountain region
focal mechanism
meteorology
transition zone
import
shear zone
faulting
subduction
urban area
collision
tectonics
monitoring
station
seismic activity
municipality

Keywords

  • Dubai Seismic Network
  • Regional waveform inversion
  • Seismicity of northeastern UAE-Oman Mountain

ASJC Scopus subject areas

  • Earth-Surface Processes
  • Geology

Cite this

Improved characterization of local seismicity using the Dubai Seismic Network, United Arab Emirates. / Al Khatibi, Eman; Abou Elenean, K. M.; Megahed, A. S.; El-Hussain, I.

In: Journal of Asian Earth Sciences, Vol. 90, 15.08.2014, p. 34-44.

Research output: Contribution to journalArticle

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