Studying local earthquakes in the area Baltic-Bothnia Megashear using the
data of the POLENET/LAPNET temporary array

Usoltseva, Olga; Kozlovskaya, Elena

doi:https://doi.org/10.5194/se-7-1095-2016

Articles | Volume 7, issue 4

https://doi.org/10.5194/se-7-1095-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/se-7-1095-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 7, issue 4

Research article

|

18 Jul 2016

Research article |

| 18 Jul 2016

Studying local earthquakes in the area Baltic-Bothnia Megashear using the data of the POLENET/LAPNET temporary array

Olga Usoltseva and Elena Kozlovskaya

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Final revised paper (published on 18 Jul 2016)
Supplement to the final revised paper
Preprint (discussion started on 08 Dec 2015)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC C1804: 'Review of the manuscript', Anonymous Referee #1, 07 Jan 2016
- AC C2023: 'Replies to the comments of Referee #1', Olga Usoltseva, 15 Mar 2016
RC C1914: 'Peer Review', Anonymous Referee #2, 31 Jan 2016
- AC C2018: 'Replies to the comments of Referee #2', Olga Usoltseva, 15 Mar 2016

Short summary

We address the problem of seismicity in the intraplate area of northern Fennoscandia using the information on local events recorded by the POLENET/LAPNET seismic array. We relocate the seismic events, calculate a 3-D tomographic P wave velocity model of the uppermost crust and investigate a focal mechanism of the event. Our results demonstrate that the Baltic-Bothnia Megashear is an important large-scale, reactivated tectonic structure that has to be taken into account when estimating seismic hazard.