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3-D velocity structure of Damavand volcano, Iran, from local earthquake tomography
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Geophysics.
2011 (English)In: Journal of Asian Earth Sciences, ISSN 1367-9120, E-ISSN 1878-5786, Vol. 42, no 6, 1091-1096 p.Article in journal (Refereed) Published
Abstract [en]

Damavand volcano is a large intraplate Quaternary composite cone overlying the active fold and thrust belt of the Central Alborz Mountains in northern Iran. In this study, we present the first 3-D P-wave velocity model of the upper crust for the Central Alborz region using local earthquake data provided by the Iranian Seismic Telemetry Network. The final P-wave velocity model reveals several high and low velocity anomalies in the upper 30 km of the crust. A low velocity zone parallel to the main faulting system is imaged at a depth of 15 km. A relatively high velocity body to the north of the Damavand summit down to a depth of 20 km is resolved, which may represent the elderly crystallized magma chamber. Right below the Damavand cone, a low velocity area to the depth of 7 km can be interpreted as a shallow magma chamber.

Place, publisher, year, edition, pages
2011. Vol. 42, no 6, 1091-1096 p.
Keyword [en]
Local earthquake tomography, Magma chamber, Crustal structure, Damavand volcano
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:uu:diva-161914DOI: 10.1016/j.jseaes.2011.03.011ISI: 000296304800002OAI: oai:DiVA.org:uu-161914DiVA: diva2:458845
Available from: 2011-11-24 Created: 2011-11-21 Last updated: 2017-12-08Bibliographically approved

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Shomali, Z. Hossein

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