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Dr. Tobias Diehl

Oberassistent

Dr.  Tobias Diehl
Swiss Seismological Service (SED)
ETH Zürich
Dr. Tobias Diehl
NO FO 69.7
Sonneggstrasse 5
8092 Zürich

  +41 44 632 04 98
  

I am a seismologist within the Earthquake Monitoring and the Earthquake Analysis Sections of the SED. Since September 2015, I am leading the Seismotectonic Group of the SED. My research interests range from basic acquisition of seismological data to tectonic interpretation with focus on observational seismology. Past and present tasks and projects include:

  • Seismotectonic Interpretation
  • High-precision earthquake locations at local to teleseismic distances
  • High-resolution seismic tomography and crustal seismology
  • Earthquake source properties
  • Analysis of earthquakes in Switzerland
  • Lead author of the annual earthquake report of the SED
  • Automatic procedures for detecting and picking of seismic phases
  • Configuration and testing of earthquake monitoring software SeisComp3
  • Receiver Functions
  • Collision, subduction and rift systems

Employment

August 2012 -
Present

Oberassistent, Swiss Seismological Service, ETH Zurich, Switzerland

  • Seismotectonic Analysis and Interpretation
  • High-precision earthquake location
  • Seismic tomography
  • Routine earthquake analysis
  • Configuration and testing of earthquake monitoring software SeisComp3
  • Teaching
March 2011 -
August 2012
Postdoctoral Researcher, Swiss Seismological Service, ETH Zurich, Switzerland
November 2008 -
March 2011
Postdoctoral Researcher, Lamont-Doherty Earth Observatory, Columbia University, Palisades, New York, United States

July 2004 -
November 2008

Researcher at the Institute of Geophysics, ETH Zurich, Switzerland
August 2003 -
July 2004
Researcher at the Geophysical Institute, University of Karlsruhe, Germany

2004 - 2008

Ph.D. student at the Institute of Geophysics, ETH Zurich, Switzerland.

Thesis entitled: 3-D seismic velocity models of the Alpine crust from local earthquake tomography.

July 2003

Diplom (eq.to Master) in Physics, University of Karlsruhe (TH), Germany.

Thesis entitled: "The crustal structure of southeastern Romania derived by the analysis of teleseismic receiver functions".

1997 - 2003 Undergraduate studies in Geophysics and Physics, University of Karlsruhe (TH), Germany
2002 - 2003 Student assistant: Seismology group, Geophysical Institute Karlsruhe
1999 - 2002 Student assistant: Tectonic stress group, Geophysical Institute Karlsruhe
Summer 2000 Internship at the German Aero Space Center (DLR) in Berlin, Institute of Planetary Research
2014 Maintenance of a broadband network in Bhutan (GANSSER project)
2006 Installation of 8 Broadband stations in southern Greece (THALES-project)
2003 - 2004 Installation and maintenance of a broadband network (URS-project) in Bucharest, Romania
1998 Participation in the seismic field campaign TRANSALP in the Italian Alps

Diehl, T., Deichmann, N., Clinton, J., Kaestli, P., Cauzzi, C., Kraft, T., Behr, Y., Edwards, B., Guilhem, A., Korger, E., Hobiger, M., Haslinger, F., Faeh, D., and Wiemer, S., 2015. Earthquakes in Switzerland and surrounding regions during 2014. Swiss J. Geosci., 108, 425-443, doi:10.1007/s00015-015-0204-1.

Diehl, T., Clinton, J., Kraft, T., Husen, S., Plenkers, K., Guilhem, A., Behr, Y., Cauzzi, C., Kaestli, P., Haslinger, F., Faeh, D., Michel, C., and Wiemer, S., 2014. Earthquakes in Switzerland and surrounding regions during 2013. Swiss J. Geosci., 107, 359-375, doi:10.1007/s00015-014-0171-y.

Farrell, J., Smith, R.B., Husen, S. and Diehl, T., 2014. Tomography from 26 years of seismicity revealing that the spatial extent of the Yellowstone crustal magma reservoir extends well beyond the Yellowstone caldera, Geophys. Res. Lett., 41, doi:10.1002/2014GL059588.

Singer, J.,Diehl, T., Husen, S., Kissling, E. and Duretz, T., 2014. Alpine lithosphere slab rollback causing lower crustal seismicity in northern foreland. Earth Planet. Sci. Lett., 397, 42-56, doi:10.1016/j.epsl.2014.04.002.

Diehl, T., Deichmann, N., Clinton, J., Husen, S., Kraft, T., Plenkers, K., Edwards, B., Cauzzi, C., Michel, C., Kaestli, P., Wiemer, S., Haslinger, F., Faeh, D., Kradolfer, U. and Woessner, J., 2013. Earthquakes in Switzerland and surrounding regions during 2012. Swiss J. Geosci., 106, 543-558, doi:10.1007/s00015-013-0154-4.

Diehl, T., Waldhauser, F., Cochran, J.R., Kamesh Raju, K.A., Seeber, L., Schaff, D. and Engdahl, E.R., 2013. Back-arc extension in the Andaman Sea: tectonic and magmatic processes imaged by high-precision teleseismic double-difference earthquake relocation. J. Geophys. Res., 118, 2206-2224, doi:10.1002/jgrb.50192. Electronic Supplement: HR PDF [6.3 mb]

Sumy, D.F., Gaherty, J.B., Kim, W.-Y., Diehl, T. and Collins, J.A., 2013. The Mechanisms of earthquakes and faulting in the Southern Gulf of California. Bull. Seism. Soc. Am., 103, 487-506, doi:10.1785/0120120080.

Waldhauser, F., Schaff, D.P., Diehl, T. and Engdahl, E.R., 2012. Splay faults imaged by fluid-driven aftershocks of the 2004 Mw 9.2 Sumatra-Andaman earthquake. Geology, 40, 243-246, doi:10.1130/G32420.1.

Diehl, T., Kissling, E., and Bormann, P., 2012. IS 11.4: Tutorial for consistent phase picking at local to regional distances. In: Bormann, P. (Ed.). New Manual of Seismological Observatory Practice (NMSOP-2), IASPEI, GFZ German Research Centre for Geosciences, Potsdam, 21 pp. DOI: 10.2312/GFZ.NMSOP-2_IS_11.4.

Küperkoch, L., Meier, T., Diehl, T., 2012. Chapter 16: Automated event and phase identification. In: Bormann, P. (Ed.). New Manual of Seismological Observatory Practice (NMSOP-2), IASPEI, GFZ German Research Centre for Geosciences, Potsdam, 52 pp. DOI: 10.2312/GFZ.NMSOP-2_ch16.

Husen, S., Diehl, T. and Kissling, E., 2009. The effects of data quality in local earthquake tomography: Application to the Alpine region. Geophysics 74, WCB71-WCB79, doi:10.1190/1.3237117.

Diehl, T., Husen, S., Kissling, E. and Deichmann, N., 2009. High-resolution 3-D P-Wave model of the Alpine crust. Geophys. J. Int., 179, 1133-1147, doi:10.1111/j.1365-246X.2009.04331.x. HR PDF [18.1 mb]. The definitive version is available at www.blackwell-synergy.com.

Diehl, T., Deichmann, N., Kissling, E. and Husen, S., 2009. Automatic S-wave picker for local earthquake tomography. Bull. Seism. Soc. Am., 99, 1906-1920, doi:10.1785/0120080019. HR PDF [1.0 mb]. Electronic Supplement: HR PDF [1.0 mb]. The definitive version is available at http://www.seismosoc.org/.

Diehl, T., Kissling, E., Husen, S. and Aldersons, F., 2009. Consistent phase picking for regional tomography models: application to the greater Alpine region. Geophys. J. Int., 176, 542-554, doi: 10.1111/j.1365-246X.2008.03985.x. HR PDF [7.4 mb]. The definitive version is available at www.blackwell-synergy.com.

Diehl, T., Ritter, J.R.R. and the CALIXTO Group, 2005. The crustal structure beneath SE Romania from teleseismic receiver functions. Geophys. J. Int., 163, 238-251, doi: 10.1111/j.1365-246X.2005.02715.x. HR PDF [4.5 mb]. The definitive version is available at www.blackwell-synergy.com.

Ritter, J.R.R., Balan, S.F., Bonjer, K.-P., Diehl, T., Forbriger, T., Marmureanu, G., Wenzel, F. and Wirth, W., 2004. Broadband urban seismology in the Bucharest metropolitan area. Seism. Res. Lett., 76, 573-579

Diehl, T., 2008. 3-D seismic velocity models of the Alpine crust from local earthquake tomography. Ph.D. thesis, ETH Zurich, no. 17840, 189 pages. PDF [20 mb]

Diehl, T., 2003. Die Krustenstruktur Südost-Rumäniens aus der Analyse teleseismischer Receiver Funktionen. Diploma thesis, University of Karlsruhe, 117 pages. German Version gzip-PS [13.3 mb]

Diehl, T. and Kissling, E., 2009. Users Guide for consistent phase picking at local to regional scales (Appendix "C" of Ph.D. thesis of T. Diehl). Tech. Rep., ETH Zurich, 37 pages. PDF [1.5 mb]

Diehl, T. and Kissling, E., 2008. Users Guide for MPX picking system. (Appendix "D" of Ph.D. thesis of T. Diehl). Tech. Rep., ETH Zurich, 20 pages. PDF [1.0 mb]

T. Diehl, J. Singer, G. Hetenyi, E. Kissling, and J. Clinton. Seismicity and seismotectonics in the Himalaya of Bhutan: Insights from the GANSSER seismic network. AGU, San Francisco, USA, 2014

T. Diehl, F. Waldhauser, L. Seeber, J.R. Cochran, K.A. Kamesh Raju, E. R. Engdahl, and D. Schaff. Back-arc extension along the Andaman Sea plate boundary: Spreading and transtensional processes imaged by earthquake swarms. IASPEI Scientific Assembly, Gothenburg, Sweden, 2013.

T. Diehl, F. Waldhauser, L. Seeber, J.R. Cochran, K.A. Kamesh Raju, and E. R. Engdahl. The 2005 Nicobar-Island Earthquake Swarm from Teleseismic Double-Difference Locations: Post-2004 Megathrust Back-Arc Transtension along the Sumatra Fault. AGU, San Francisco, USA, 2011.

T. Diehl, F. Waldhauser, D. Schaff, and E. R. Engdahl. Seismotectonic analysis of the Andaman Sea region from high-precision teleseismic double-difference locations. AGU, San Francisco, USA, 2009.

F. Waldhauser, D. Schaff, E. R. Engdahl and T. Diehl. Streaks of aftershocks following the 2004 Sumatra-Andaman earthquake. AGU, San Francisco, USA, 2009.

T. Diehl, E. Kissling, S. Husen, N. Deichmann and F. Aldersons. Automatic seismic phase picking and consistent error assessment in the Alpine Region. ESC, Geneva, Switzerland, 2006.

T. Diehl, N. Deichmann, S. Husen and E. Kissling. Assessment of Quality and Consistency of P- and S-Wave Arrivals in Local Earthquake Data. 31th meeting of the German Working-Group Seismology, Stuttgart, Germany, 2005.

T. Diehl and J.R.R. Ritter. High-Resolution Receiver Function Study in the Metropolitan Area of Bucharest, Romania. 31th meeting of the German Working-Group Seismology, Stuttgart, Germany, 2005.

T. Diehl and J.R.R. Ritter. The Crustal Structure of Southeastern Romania from Receiver Functions. EGU, Nice, France, 2004.

T. Diehl and J.R.R. Ritter. Die Krustenstruktur Südost-Rumäniens aus der Analyse teleseismischer Receiver Funktionen. DGG, Berlin, Germany, 2004.

T. Diehl and J.R.R. Ritter. Die Krustenstruktur Südost-Rumäniens aus der Analyse teleseismischer Receiver Funktionen. 29th meeting of the German Working-Group Seismology, Fürstenfeldbruck, Germany, 2003.

T. Diehl, T. Kraft, E. Kissling, N. Deichmann, S. Wiemer, J. Clinton, F. Haslinger and F. Waldhauser. Near-real-time high-precision relocation of induced seismicity in the geothermal system below Sankt Gallen (Switzerland), AGU, San Francisco, USA, 2013.

T. Diehl, F. Waldhauser, J.F. Clinton, and N. Deichmann. Towards real-time double-difference earthquake location in Switzerland, IASPEI Scientific Assembly, Gothenburg, Sweden, 2013. PDF [19.0 mb]

T. Diehl, J.F. Clinton, C. Cauzzi, and P. Kaestli. Earthquake Monitoring: SeisComp3 at the Swiss National Seismic Network, 1st EPOS-Orfeus Coordination Meeting , Erice, Italy, 2012. PDF [9.3 mb]

J.F. Clinton, T. Diehl, C. Cauzzi, and P. Kaestli. Earthquake Monitoring: SeisComp3 at the Swiss National Seismic Network, AGU, San Francisco, USA, 2011. PDF [9.3 mb]

T. Diehl, F. Waldhauser, J.R. Cochran, K.A. Kamesh Raju, L. Seeber, D.P. Schaff and E.R. Engdahl. Back-Arc extension in the Andaman Sea: Magmatic and tectonic processes imaged by high-precision teleseismic double-difference relocation of earthquake swarms, AGU, San Francisco, USA, 2010.

L. Seeber, F. Waldhauser, T. Diehl, V. Hjorleifsdottir and M. Nettles. The January 2010 Haiti mainshock-aftershock sequence: Positive feedback between faults in strain-partitioned transpression, AGU, San Francisco, USA, 2010.

D.F. Sumy, J.B. Gaherty, T. Diehl, W. Kim, F. Waldhauser and J. A. Collins. The mechanisms of earthquakes and faulting within the Southern Gulf of California, AGU, San Francisco, USA, 2010.

F. Waldhauser, T. Diehl, N. Seeber, V. Hjorleifsdottir and M. Nettles. High-resolution aftershock relocations and focal mechanisms of the 2010 Mw7.0 Haiti and Mw8.8 Chile earthquakes, SSA, Portland, Oregon, USA, 2010.

S. Husen, T. Diehl and E. Kissling. Importance of data quality and assessent of solution quality in local earthquake tomogaphy: Application to the Alpine region, SSA, Monterey, California, USA, 2009.

T. Diehl, E. Kissling, S. Husen, N. Deichmann and F. Aldersons. Automatic P- and S-phase picker for high-resolution local source tomography: Application to the Alpine region, AGU, San Francisco, USA, 2008. PDF [9.0 mb]

T. Diehl, E. Kissling, S. Husen and N. Deichmann. 3D seismic velocity model of Alpine region from local earthquake tomography. 8th Workshop on Alpine Geological Studies, Davos, Switzerland, 2007. PDF [13.3 mb]

T. Diehl, E. Kissling, S. Husen, N. Deichmann and F. Aldersons. Automatic seismic phase picking and consistent error assessment: application to local earthquake data in the Alpine region. SSA, Kona, Hawaii, USA, 2007. PDF [6.7 mb]

T. Diehl, N. Deichmann, S. Husen and E. Kissling. Assessment of Quality and Consistency of S-Wave Arrivals in Local Earthquake Data. EGU, Vienna, Austria, 2005. PDF [9.3 mb]

T. Diehl, J.R.R. Ritter, S.F. Balan, K.-P. Bonjer and W. Wirth. URS - URban Seismology: A broadband experiment in the city of Bucharest, Romania. EGU, Nice, France, 2004.

T. Diehl, J.R.R. Ritter, S.F. Balan, K.-P. Bonjer and W. Wirth. URS - URbane Seismologie: Einsatzmöglichkeiten eines Breitband-Arrays (KABBA) innerhalb einer Großstadt am Beispiel von Bukarest. DGG, Berlin, Germany, 2004.

T. Diehl, J.R.R. Ritter, M. Gehrig, W. Scherer and W. Wenzel. KABBA - Das KArlsruher Broad Band Array. DGG, Berlin, Germany, 2004.

 

  • Microseismic Monitoring of Northern Switzerland (since 2014): Monitoring and analysis of earthquakes in northern Switzerland (Project Leader).
  • GANSSER (since 2013): Geodynamics ANd Seismic Structure of the Eastern-Himalaya Region (Co-PI of SNF funded project).
  • SAMSFAULTZ (since 2016): Structure And Mechanics of Seismogenic Fault Zones: Insights from advanced passive and active seismic imaging (Project Leader of SNF funded project).
Since 2014 Crustal Seismology, ETH Zurich
Since 2013 Seismic Tomography, ETH Zurich
2012 - 2014 Geophysics I (Seismology), Guest Lecturer, University of Bern
2011 - 2012 Seismic Networks and Earthquakes (lab course), ETH Zurich
2005 Teaching assistant: Geophysics I (Gravimetry and Geomagnetics), ETH Zurich
2004 - 2006 Teaching assistant: Refraction Seismic (field course), ETH Zurich
2003 - 2004 Teaching assistant: Geoelectric (lab course), University of Karlsruhe
2002 Teaching assistant: Time Series Analysis (computer exercise), University of Karlsruhe