Articles | Volume 6, issue 2
Research article
03 Jun 2015
Research article |  | 03 Jun 2015

Revealing the deeper structure of the end-glacial Pärvie fault system in northern Sweden by seismic reflection profiling

O. Ahmadi, C. Juhlin, M. Ask, and B. Lund

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Cited articles

Arvidsson, R.: Fennoscandian Earthquakes: Whole Crustal Rupturing Related to Postglacial Rebound, Science, 274, 744–746,, 1996.
Bäckstrom, A., Viola, G., Rantakokko, N., Jonsson, E., and Ask, M.: Preliminary results from fault-slip analysis of the Pärvie neotectonic postglacial fault zone, northern Sweden, Geophysical Research Abstracts, Vol. 15, EGU2013-1751, 2013.
Bödvarsson, R. and Lund, B.: The SIL Seismological data Acquisition System -as Operated in Iceland and in Sweden, in Methods and Applications of Signal Processing in Seismic Network Operations, eds. Takanami, T. and Kitagawa, G., Lecture Notes in Earth Sciences, 98, Springer, Berlin, 131–148, 2003.
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Edfelt, Å., Sandrin, A., Evins, P., Jeffries, T., Storey, C., Elming, S.-Å, and Martinsson, O.: Stratigraphy and tectonic setting of the host rocks to the Tjårrojåkka Fe-oxide Cu-Au deposits, Kiruna area, northern Sweden, GFF, 128, 221–232,, 2006.
Short summary
The Pärvie fault system extends up to 155km, and its scarps have offsets of tens of meters at the surface in northern Sweden. These fault scarps are inferred to have formed during earthquakes with magnitudes up to 8 at the time of the last deglaciation. In this study, we have mapped the fault system to deeper levels, by a new 22km long 2-D seismic reflection profile. Based on the present and previous seismic data, locations for future boreholes for drilling into the fault system are proposed.