Earthquakes in Switzerland and surrounding regions during 2002

Manfred Baer; Nicolas Deichmann; Jochen Braunmiller; Fabrizio Bernardi; Cécile Cornou; Donat Fäh; Domenico Giardini; Sarah Huber; Philipp Kästli; Fortunat Kind; Urs Kradolfer; Martin Mai; Silvio Maraini; Ivo Oprsal; Thomas Schler; Danijel Schorlemmer; Souad Sellami; Sibylle Steimen; Stefan Wiemer; Jochen Wössner; Adrian Wyss

Earthquakes in Switzerland and surrounding regions during 2002

Manfred Baer^*, Nicolas Deichmann, Jochen Braunmiller, Fabrizio Bernardi, Cécile Cornou, Donat Fäh, Domenico Giardini, Sarah Huber, Philipp Kästli, Fortunat Kind, Urs Kradolfer, Martin Mai, Silvio Maraini, Ivo Oprsal, Thomas Schler, Danijel Schorlemmer, Souad Sellami, Sibylle Steimen, Stefan Wiemer, Jochen WössnerAdrian Wyss

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

This report of the Swiss Seismological Service summarizes the seismic activity in Switzerland and surrounding regions during 2002. During this period, 546 earthquakes and 137 quarry blasts were detected and located in the region under consideration. The increase in the total number of recorded events relative to previous years is restricted to low magnitudes. It is due to the lower detection threshold of the new station network and to the occurrence of six earthquake swarms, which alone account for 39 % of the total seismic activity in 2002. In fact, with 27 events with M_L ≥ 2.5, the seismic activity in the year 2002 was close to the average over the last 28 years. The strongest event, with M_L = 3.8 and intensity I₀ = V, occurred near Santa Maria Maggiore, between Valle Vigezzo and Valgrande, just beyond the border with Italy. As in previous years, most of the seismic activity during 2002 was concentrated in the Valais, the southeastern part of Graubünden and in the adjacent regions of northern Italy.

Original language	English (US)
Pages (from-to)	313-324
Number of pages	12
Journal	Ecologae Geologicae Helvetiae
Volume	96
Issue number	2
State	Published - 2003
Externally published	Yes

Keywords

Earthquakes
Focal mechanisms
Moment tensors
Switzerland

ASJC Scopus subject areas

Geology

Cite this

Baer, M., Deichmann, N., Braunmiller, J., Bernardi, F., Cornou, C., Fäh, D., Giardini, D., Huber, S., Kästli, P., Kind, F., Kradolfer, U., Mai, M., Maraini, S., Oprsal, I., Schler, T., Schorlemmer, D., Sellami, S., Steimen, S., Wiemer, S., ... Wyss, A. (2003). Earthquakes in Switzerland and surrounding regions during 2002. Ecologae Geologicae Helvetiae, 96(2), 313-324.

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title = "Earthquakes in Switzerland and surrounding regions during 2002",

abstract = "This report of the Swiss Seismological Service summarizes the seismic activity in Switzerland and surrounding regions during 2002. During this period, 546 earthquakes and 137 quarry blasts were detected and located in the region under consideration. The increase in the total number of recorded events relative to previous years is restricted to low magnitudes. It is due to the lower detection threshold of the new station network and to the occurrence of six earthquake swarms, which alone account for 39 % of the total seismic activity in 2002. In fact, with 27 events with ML ≥ 2.5, the seismic activity in the year 2002 was close to the average over the last 28 years. The strongest event, with ML = 3.8 and intensity I0 = V, occurred near Santa Maria Maggiore, between Valle Vigezzo and Valgrande, just beyond the border with Italy. As in previous years, most of the seismic activity during 2002 was concentrated in the Valais, the southeastern part of Graub{\"u}nden and in the adjacent regions of northern Italy.",

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author = "Manfred Baer and Nicolas Deichmann and Jochen Braunmiller and Fabrizio Bernardi and C{\'e}cile Cornou and Donat F{\"a}h and Domenico Giardini and Sarah Huber and Philipp K{\"a}stli and Fortunat Kind and Urs Kradolfer and Martin Mai and Silvio Maraini and Ivo Oprsal and Thomas Schler and Danijel Schorlemmer and Souad Sellami and Sibylle Steimen and Stefan Wiemer and Jochen W{\"o}ssner and Adrian Wyss",

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Baer, M, Deichmann, N, Braunmiller, J, Bernardi, F, Cornou, C, Fäh, D, Giardini, D, Huber, S, Kästli, P, Kind, F, Kradolfer, U, Mai, M, Maraini, S, Oprsal, I, Schler, T, Schorlemmer, D, Sellami, S, Steimen, S, Wiemer, S, Wössner, J & Wyss, A 2003, 'Earthquakes in Switzerland and surrounding regions during 2002', Ecologae Geologicae Helvetiae, vol. 96, no. 2, pp. 313-324.

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T1 - Earthquakes in Switzerland and surrounding regions during 2002

AU - Baer, Manfred

AU - Deichmann, Nicolas

AU - Braunmiller, Jochen

AU - Bernardi, Fabrizio

AU - Cornou, Cécile

AU - Fäh, Donat

AU - Giardini, Domenico

AU - Huber, Sarah

AU - Kästli, Philipp

AU - Kind, Fortunat

AU - Kradolfer, Urs

AU - Mai, Martin

AU - Maraini, Silvio

AU - Oprsal, Ivo

AU - Schler, Thomas

AU - Schorlemmer, Danijel

AU - Sellami, Souad

AU - Steimen, Sibylle

AU - Wiemer, Stefan

AU - Wössner, Jochen

AU - Wyss, Adrian

PY - 2003

Y1 - 2003

N2 - This report of the Swiss Seismological Service summarizes the seismic activity in Switzerland and surrounding regions during 2002. During this period, 546 earthquakes and 137 quarry blasts were detected and located in the region under consideration. The increase in the total number of recorded events relative to previous years is restricted to low magnitudes. It is due to the lower detection threshold of the new station network and to the occurrence of six earthquake swarms, which alone account for 39 % of the total seismic activity in 2002. In fact, with 27 events with ML ≥ 2.5, the seismic activity in the year 2002 was close to the average over the last 28 years. The strongest event, with ML = 3.8 and intensity I0 = V, occurred near Santa Maria Maggiore, between Valle Vigezzo and Valgrande, just beyond the border with Italy. As in previous years, most of the seismic activity during 2002 was concentrated in the Valais, the southeastern part of Graubünden and in the adjacent regions of northern Italy.

AB - This report of the Swiss Seismological Service summarizes the seismic activity in Switzerland and surrounding regions during 2002. During this period, 546 earthquakes and 137 quarry blasts were detected and located in the region under consideration. The increase in the total number of recorded events relative to previous years is restricted to low magnitudes. It is due to the lower detection threshold of the new station network and to the occurrence of six earthquake swarms, which alone account for 39 % of the total seismic activity in 2002. In fact, with 27 events with ML ≥ 2.5, the seismic activity in the year 2002 was close to the average over the last 28 years. The strongest event, with ML = 3.8 and intensity I0 = V, occurred near Santa Maria Maggiore, between Valle Vigezzo and Valgrande, just beyond the border with Italy. As in previous years, most of the seismic activity during 2002 was concentrated in the Valais, the southeastern part of Graubünden and in the adjacent regions of northern Italy.

KW - Earthquakes

KW - Focal mechanisms

KW - Moment tensors

KW - Switzerland

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SN - 0012-9402

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EP - 324

JO - Ecologae Geologicae Helvetiae

JF - Ecologae Geologicae Helvetiae

IS - 2

ER -

Earthquakes in Switzerland and surrounding regions during 2002

Abstract

Keywords

ASJC Scopus subject areas

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