Joachim Wassermann

(Seismology)

Geophysical Observatory
Department of Earth and Environmental Sciences
Munich University
Ludwigshöhe 8
82256 Fürstenfeldbruck
Germany

Room: FFB
Phone: +49 (89) 2180-73962
Fax: +49 (89) 2180-73970

Publications

• Bernauer, Felix, Joachim Wassermann, and Heiner Igel (2012), Rotational sensors—a comparison of different sensor types, Journal of Seismology, doi:10.1007/s10950-012-9286-7.
• Beyreuther, Moritz, Conny Hammer, Joachim Wassermann, Matthias Ohrnberger, and Tobias Megies (2012), Constructing a Hidden Markov Model based earthquake detector: application to induced seismicity, Geophysical Journal International, 189(1), 602-610, doi:10.1111/j.1365-246X.2012.05361.x.
• Van Driel, Martin, Joachim Wassermann, Maria Fernanda Nader, Bernhard Schubert, and Heiner Igel (2012), Strain rotation coupling and its implications on the measurement of rotational ground motions, J Seismol, doi:10.1007/s10950-012-9296-5.
• Wassermann, Joachim (2012), Volcano Seismology, IASPEI New manual of seismological observatory practice 2 (NMSOP-2), Second, edited by Peter Bormann, pp. 1-77, Potsdam : Deutsches GeoForschungsZentrum GFZ, Potsdam, DOI:10.2312/GFZ.NMSOP-2_ch13.

• Beyreuther, Moritz, and Joachim Wassermann (2011), Hidden semi-Markov Model based earthquake classification system using Weighted Finite-State Transducers, Nonlin. Processes Geophys., 18, 81-89, doi:10.5194/npg-18-81-2011.
• Igel, H., M.-F. Nader, D. Kurrle, A.M. Ferreira, J. Wassermann, and K.U: Schreiber (2011), Observations of Earth's Toroidal Free Oscillations with a Rotation Sensor: The 2011 Magnitude 9.0 Tohoku-Oki Earthquake, Geophys. Res. Lett., doi:10.1029/2011GL049045.
• Megies, Tobias, Moritz Beyreuther, Robert Barsch, Lion Krischer, and Joachim Wassermann (2011), ObsPy - What Can It Do for Data Centers and Observatories?, Annals Of Geophysics, 54(1), 47-58, doi:10.4401/ag-4838.
• Svejdar, Viola, Helmut Küchenhoff, Ludwig Fahrmeier, and Joachim Wassermann (2011), External Forcing of Earthquake Swarms at Alpine Regions: Example from a Seismic Meteorological Network at Mt. Hochstaufen SE-Bavaria, nonlinear processes in geophysics, 18, 849–860, doi:10.5194/npg-18-849-2011.

• Bernsdorf, S., R. Barsch, M. Beyreuther, K. Zakšek, M. Hort, and J. Wassermann (2010), Decision support system for the mobile volcano fast response system, International Journal of Digital Earth, doi:10.1080/17538940903548420.
• Beyreuther, Moritz, Robert Barsch, Lion Krischer, Tobias Megies, Yannik Behr, and Joachim Wassermann (2010), ObsPy: A Python Toolbox for Seismology, SRL, 81(3), 530-533, doi:10.1785/gssrl.81.3.530.
• Cabras, G., J. Carniel, and J. Wassermann (2010), Signal enhancement with generalized ICA applied to Mt. Etna volcano, Italy, Bollettino di Geofisica Teorica ed Applicata, 51(1), 57-73.
• Kurrle, Dieter, Heiner Igel, Ana Ferreira, Joachim Wassermann, and Ulrich Schreiber (2010), Can we estimate local Love wave dispersion properties from collocated amplitude measurements of translations and rotations ?, Geophysical Research Letters, 37, L04307, doi:10.1029/2009GL042215.

• Pham, D. N., H. Igel, J. Wassermann, A. Cochard, and U. Schreiber (2009), The effects of tilt on interferometric rotation sensors, BSSA, 99(2B), 1352-1365, doi:10.1785/0120080181.
• Pham, D. N., H. Igel, J. Wassermann, M. Käser, J. de la Puente, and U. Schreiber (2009), Observations and modelling of rotational signals in the P-Coda: constraints on crustal scattering, BSSA, 99(2B), 1315-1332, doi:10.1785/0120080101.
• Wassermann, Joachim, Susanne Lehndorfer, Heiner Igel, and Ulrich Schreiber (2009), Performance Test of a Commercial Rotational Motions Sensor, Bull. Seis. Soc. America, 99(2B), 1449-1456, doi:10.1785/0120080157.

• Beyreuther, Moritz, Roberto Carniel, and Joachim Wassermann (2008), Continuous Hidden Markov Models: Application to automatic earthquake detection and classification at Las Canadas caldera, Tenerife, Journal of Volcanology and Geothermal Research, 176, 513-518, doi:10.1016/j.jvolgeores.2008.04.021.
• Beyreuther, Moritz, and Joachim Wassermann (2008), Continuous Earthquake Detection and Classification using Discrete Hidden Markov Models, Geophys. Journal Int., 175(3), 1055­-1066, doi:10.1111/j.1365-246X.2008.03921.x.
• Carbas, Guiseppe, Roberto Carniel, and Joachim Wassermann (2008), Blind Source Seperation: an Application to the Mt. Merapi Volcano, Indonesia, Fluctuation and Noise Letters, Vol. 8(3-4), L249 - L260, doi:10.1142/S0219477508005124.
• Lavalee, Yan, P.G. Meredith, Bruce Donald Dingwell, Kai-Uwe Hess, Joachim Wassermann, Bernard Cordonnier, A. Gerik, and J.H. Kruhl (2008), Seismogenic lavas and explosive eruption forecasting, Nature, 453, 507-510, doi:10.1038/nature06980.
• Walter, T. R., et al. (2008), The 26 May 2006 magnitude 6.4 Yogyakarta earthquake south of Mt. Merapi volcano: did lahar deposits amplify ground shaking and thus lead to the disaster?, Geochem. Geophys. Geosyst., 9, doi:10.1029/2007GC001810R.

• Igel, H., A. Cochard, J. Wassermann, A. Flaws, U. Schreiber, A. Velikoseltsev, and D. N. Pham (2007), Broad-band observations of earthquake-induced rotational ground motions, Geophys. J. Int, 168(1), 182–196, doi:10.1111/j.1365-246X.2006.03146.x.
• Igel, Heiner, Alain Cochard, Joachim Wassermann, Asher Flaws, Ulrich Schreiber, Alex Velikoseltsev, and Nguyen Pham Dinh (2007), Broad-band observations of earthquake-induced rotational ground motions, Geophysical Journal International, 168(1), 182-197, doi:10.1111/j.1365-246X.2006.03146.x.
• Wagner, D., et al. (2007), Seismic Structure of Central Java, in The Yogyakarta Earthquake, Star, Publishing, Belmont, California, in press.
• Walter, T.R., et al. (2007), Soft volcanic sediments compound 2006 Java earthquake disaster, EOS, 88(46), 486.

• Alasonati, P., J. Wassermann, and M. Ohrnberger (2006), Signal classification by wavelet-based hidden Markov models: application to seismic signals of volcanic origin, in Statistics in Volcanology, edited by H. Mader, C. Connor and S. Coles, Geological Society of London.
• Cochard, A., H. Igel, B. Schuberth, W. Suryanto, A. Velikoseltsev, U. Schreiber, J. Wassermann, F. Scherbaum, and D. Vollmer (2006), Rotational motions in seismology: theory, observations, simulation, in Earthquake source asymmetry, structural media and rotation effects, edited by Teisseyre et al., Springer Verlag.
• Evans, J.R., et al. (2006), A Workshop on Rotational Ground Motion, Seis. Res. Lett., submitted.
• Hainzl, S., T. Kraft, J. Wassermann, and H. Igel (2006), Evidence for rain-triggered earthquake activity, Geophys. Res. Lett., 33, L19303, doi:10.1029/2006GL027642.
• Kraft, T., J. Wassermann, and H. Igel (2006), High-precision relocation and focal mechanism of the 2002 rain-triggered earthquake swarms at Mt. Hochstaufen, SE-Germany, Geophys. J. Int., 167(3), 1513-1528, doi:10.1111/j.1365-246X.2006.03171.x.
• Kraft, T., J. Wassermann, E. Schmedes, and H. Igel (2006), Meteorological triggering of earthquake swarms at Mt. Hochstaufen, SE-Germany, Tectonophysics, 424(3-4), 245-258, doi:10.1016/j.tecto.2006.03.044.
• Suryanto, W., H. Igel, A. Cochard, J. Wassermann, U. Schreiber, and A. Velikoseltsev (2006), Love-Wave dispersion from collocated measurements of rotations and translations, Geophys. Res. Lett., submitted.
• Suryanto, W., J. Wassermann, H. Igel, A. Cochard, D. Vollmer, F. Scherbaum, A. Velikoseltsev, and U. Schreiber (2006), First comparison of seismic array derived rotations with direct ring laser measurements of rotational ground motion, Bull. Seism. Soc. Am., 96(6), 2059-2071, doi:10.1785/0120060004.
• Suryanto, W., J. Wassermann, H. Igel, A. Cochard, D. Vollmer, B. Schuberth, F. Scherbaum, A. Velikoseltsev, and U. Schreiber (2006), First comparison of seismic array derived rotations with direct ring laser measurements of rotational ground motion, Bull. Seism. Soc. Am., 96(6), 2059-2071, doi:10.1785/0120060004.

• Kraft, T., J. Wassermann, H. Igel, and E. Schmedes (2005), The 2002 Hochstaufen, SE-Germany, earthquake swarm: Cluster analysis and high precision event location, in DDG, 65. Jahrestagung, vol. SOp17, Graz, Austria.
• Kraft, T., J. Wassermann, E. Schmedes, and H. Igel (2005), The Hochstaufen project: Earthquake swarms triggered by intense rainfall?, in EGU, 2nd General Assembly 2005, Vienna, Austria, pp. EGU05–A–08617.

• Bartosch, T., and J. Wassermann (2004), Wavelet-coherence analysis of broadband array data at Mt. Stromboli volcano, B.S.S.A., 94, 44 -52.
• Kraft, T., J. Wassermann, E. Schmedes, and H. Igel (2004), Observations of induced seismicity near Bad Reichenhall, SE-Germany., in ESC, XXIX General Assembly, Potsdam, Germany, vol. SCC-2, pp. 146.
• Richter, G., J. Wassermann, M. Zimmer, and M. Ohrnberger (2004), Correlation of seismic activity and fumarole temperature at the Mt. Merapi volcano (Indonesia) in 2000, J. Volcanol. Geoth. Res, 135, 331-342, doi:10.1016/j.volgeores.2004.03.006..

• Byrdina, S., S. Friedel, J. Wassermann, and J. Zlotnicki (2003), Self-potential variations associated with ultra-long-period seismic signals at Merapi volcano, Geophys. Res. Lett., 30(22), 2156, doi:10.1029/2003GL018272.
• Ripperger, J., H. Igel, and J. Wassermann (2003), Seismic wave simulation in the presence of real volcano topography, J. Volcanol. Geotherm. Res., 128(1-3), 31-44.

• Falsaperla, S., J. Wassermann, and F. Scherbaum (2002), Polarization analyses of broadband seismic data recorded on Stromboli volcano (Italy) from 1996 to 1999, Geophys. Res. Lett, 291-294, doi:10.1029/2001GL014300.
• Wassermann, J. (2002), IASPEI New manual of seismological observatory practice, vol. 1, edited by P. Bormann, pp. 42 pp, GeoForschungsZentrum Potsdam.

• Wassermann, J., and M. Ohrnberger (2001), Automatic hypocenter determination of volcano induced seismic transients based on wave field coherence - an application to the 1998 eruption of Mt. Merapi, Indonesia, J. Volcanol. Geoth. Res., 110, 57-77.

• Ohrnberger, M., J. Wassermann, E.N. Budi, and J. Goßler (2000), Continuous automatic monitoring of Mt. Merapi's seismicity, DGG-Mitteilungen, 4, 103-108.

• Wassermann, J., M. Ohrnberger, F. Scherbaum, J. Goßler, and J. Zschau (1998), Kontinuierliche Seismologische Netz und Arraymessungen am Dekadenvulkan Merapi (Java, Indonesien) - Ein Zwischenresumè, DGG Mitteilungen, 3, 19 - 27.

• Wassermann, J. (1997), Locating the sources of volcanic explosions and volcanic tremor at Stromboli Volcano (Italy) using beam-forming on diffraction hyperboloids, Phys. Earth Planet. Int., 271 - 281.

• Schlindwein, V., J. Wassermann, and F. Scherbaum (1995), Spectral analysis of harmonic tremor signals at Mt. Semeru volcano, Indonesia, Gephys. Res. Lett., 22, 1685 - 1688.

• Wassermann, J., and F. Scherbaum (1994), Spectral features and polarization patterns of broadband seismic signals at station Serra la Nave, Mt. Etna, Sicily, Acta Vulcanolog., 5, 211-220.