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Preliminary analysis of the 21 February 2008 Svalbard (Norway) seismic sequence

Pirli, M.; Schweitzer, J.; Ottemoller, Lars; Raeesi, M.; Mjelde, R.; Atakan, K.; Guterch, A.; Gibbons, S.J.; Paulsen, B.; Debski, W.; Kvaerna, T.. 2010 Preliminary analysis of the 21 February 2008 Svalbard (Norway) seismic sequence. Seismological research letters, 81 (1). 63-75. 10.1785/gssrl.81.1.63

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Abstract/Summary

The Svalbard Archipelago is situated in the northwestern part of the Barents shelf, in close proximity to the passive continental margin. This intraplate region is characterized by some of the highest seismicity in the entire Barents Sea and adjoining continental shelf, surpassed only by the Knipovich ridge (e.g., Engen et al. 2003; International Seismological Centre 2001), which, as a spreading plate boundary, is the structure that dominates the regional stress field. Most of the seismic activity (Figure 1) is characterized by smaller events, which often occur in small concentrations sparsely distributed in time. However, earthquakes of moderate to stronger magnitudes do occur in the Svalbard area, such as the 4 July 2003 mb 5.7 event close to Hopen Island (e.g., Stange and Schweitzer 2004).

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1785/gssrl.81.1.63
Programmes: BGS Programmes 2010 > Earth hazards and systems
Date made live: 13 May 2010 14:19
URI: http://nora.nerc.ac.uk/id/eprint/9847

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