Ivo Oprsal's page

The Deparment of Geophysics, Charles University, Prague -  homepage

The Deparment of Geophysics, Charles University, Prague -  Seismic Waves in Complex 3-D Structures (SW3D)

Swiss Seismological Service, ETH Zurich - homepage

Disaster Prevention Research Institute, Kyoto University

Dept. of Seismology, institute of Geophysics, Czech academy of sciences

 Selected publications, reports, and presentations. - click on the links to obtain full versions, mostly in PDF format.
(The 3D FD HYBRID code and 2D FD code are available free on demand)

some papers and reports:

Hallo, M., Opršal, I., Asano, K., Gallovic, F., 2019. Seismotectonics of the 2018 Northern Osaka M6.1 earthquake and its aftershocks: joint movements on strike-slip and reverse faults in inland Japan, Earth, Planets and Space, 71:34, doi: 10.1186/s40623-019-1016-8, 21 pp.

Oprsal, I., 2018. Modelling of local rock-slope micro-deformations and tilts at Alpe di Roscioro, Switzerland, In proc. 18th International Multidisciplinary Scientific GeoConference SGEM, 30 June - 9 July, 2018, Albena, Bulgaria, Vol.18, Issue 1.1, ISBN 978-619-7408-35-5 / ISSN 1314-2704, doi: 10.5593/sgem2018/1.1/S05.110, 885-892.

Opršal, I., 2017. Biofeedback – History, principles and application, Young science, 5(4), ISSN 1339-3189, 149-155.

Opršal, I., 2017. Childhood and growing up in japan – culture and education, Mladá veda, 5(4), ISSN 1339-3189, 165-181.

Oprsal, I., Eisner, L., 2016. Lack of temporal correlation between seismicity and injection in Arkansas, US, First Break, 34(6), Online ISSN:1365-2397, 79-84. http://fb.eage.org/publication/content?id=85948

Eisner, L., Gei, D., Hallo, M., Opršal, I., Ali, M., Y., 2014. “Source reverberations, near-surface resonances, or Q? Comment on "The peak frequency of direct waves for microseismic events" (Leo Eisner, Davide Gei, Miroslav Hallo, Ivo Oprsal, and Mohammed Y. Ali, GEOPHYSICS, 78, no. 6, A45-A49) Reply", GEOPHYSICS, 79, no. 4, X23-X25

Hallo, M., Oprsal, I., Eisner, L., Ali, M., Y., 2014. Prediction of Magnitude of the Largest Potentially Induced Seismic Event, Journal of Seismology, 18 (3), 421-431, DOI: 10.1007/s10950-014-9417-4.

Oprsal, I., Eisner, L., 2014. Cross-correlation-an objective tool to indicate induced seismicity, Geophys. J. Int., 196, doi: 10.1093/gji/ggt501, 1536-1543.

Eisner, L., Gei, D., Hallo, M., Oprsal, I., and Ali, M., 2013. The peak frequency of direct waves for microseismic events, Geophysics, 78(6), A45–A49. doi: 10.1190/geo2013-0197.1

Eisner,, L., Halló, M., Janská, E., Opršal, I., Matoušek, P., Clarke, H., Turner, P., Harper, T., Styles, P., 2013. Lessons learned from hydraulic stimulation of the Bowland Shale, SEG Technical Program Expanded Abstracts 2013: pp. 4516-4520. doi: 10.1190/segam2013-0239.1.

Oprsal, I., Eisner, L., 2012. Using cross correlation to indicate induced seismicity, Seismological Research Letters, 83:2, 412.

Caserta, A., Ruggiero, V., Busico, M., P., Oprsal, I.,  2009. A parallelisation technique for serial 3D seismic codes, Annals of Geophysics, VOL. 52, October 2009, 505-516.

Oprsal, I., Matyska, C., Irikura, K., 2009. The source-box wave propagation hybrid methods: general formulation and implementation, Geophys. J. Int. (2009) 176, doi: 10.1111/j.1365-246X.2008.03986.x., 555–564.

Fäh, D., Schatzmann, R., Oprsal, I., 2008. Augusta Raurica - Spuren eines Erdbebens in der Mitte des 3. Jahrhunderts?, in Nachbeben, eine Erdbeben in der Schweiz (Gisler, Fäh, Giardini Hrsg.), Haupt Verlag, Bern, ISBN 978-3-258-07380-4, 21-25.

Opršal, I., Fäh, D., 2007, 1D vs 3D strong ground motion hybrid modelling of site, and pronounced topography effects at Augusta Raurica, Switzerland - Earthquakes or battles?, In Proceedings of 4th International Conference on Earthquake Geotechnical Engineering June 25-28, 2007, Greece, Springer Netherlands, ISBN 978-1-4020-5892-9, CD, Paper No. 1416, 12pp.

Fäh, D., Steimen, S., Oprsal, I., Ripperger, J., Wössner, J., Schatzmann, R., Kästli, P., Spottke, I., Huggenberger, P., 2006. The earthquake of 250 A.D. in Augusta Raurica, A real event with a 3D site-effect?, Journal of Seismology, DOI:10.1007/s10950-006-9031-1, 19pp.

Oprsal, I., Zahradnik, J., 2006. The Turkey-Flat Strong Motion Blind Prediction by the Source Modelling, In Proceedings of Third International Symposium on the ‘Effects of Surface Geology on Seismic Motion’, Grenoble, France, 30 August – 1 September 2006, Laboatoire Central des Ponts et Chausees, Paris, vol. 2, Paper No 075, 10pp.
Poster presentation thereby.

Sorensen, M., B., Oprsal, I., Bonnefoy-Claudet, S., Atakan, K., Mai, P., M., Pulido, N., Yalciner, C. 2006. Local site effects in Ataköy, Istanbul, Turkey, due to a future large earthquake in the Marmara Sea. Geophysical Journal International, 167, doi: 10.1111/j.1365-246X.2006.03204.x, 1413-1424.

Oprsal, I., Faeh, D., Mai, M., Giardini, D., 2005. Deterministic earthquake scenario for the Basel area - Simulating strong motion and site effects for Basel, Switzerland. J. Geophys. Res., Vol. 110, No. B4, B04305, DOI:10.1029/2004JB003188.

Oprsal, I., Zahradnik, J., Serpetsidaki, A., Tselentis, G-A., 2004. 3D Hybrid simulation of source and site effects during the 1999 Athens earthquake. Proc.of 13th World Conference on Earthquake Engineering, Vancouver, B.C., Canada, August 1-6, 2004, Paper No. 3337.

Opršal, I., Fäh, D., Giardini, D., Mai, M., 2004. Three dimensional finite-difference modeling of strong ground-motion site effects due to the finite-extent source - 1356 Basel earthquake, Upper Rhine Graben. Proc. of  13th World Conference on Earthquake Engineering, Vancouver, B.C., Canada, August 1-6, 2004, Paper No. 3341.

Oprsal, I., Brokesova, J., Faeh, D., Giardini, D., 2002. 3D Hybrid Ray-FD and DWN-FD Seismic Modeling For Simple Models Containing Complex Local Structures, Stud. Geophys. Geod., 46, 711-730.

Oprsal, I., and J. Zahradnik, 2002. Three-dimensional finite difference method and hybrid modeling of earthquake ground motion, J. Geophys. Res., 107(B8), 10.1029/2000JB000082, 16pp.

Oprsal, I., 2001. Hybrid modeling of seismic waves. PhD thesis, defended at Charles University, Prague on Feb 26, 2001, supervisor: Zahradnik, J, reviewers Moczo, P., Matyska, R.

Oprsal, I., Zahradnik, J., 1999. Elastic finite-difference method for irregular grids. , 'GEOPHYSICS', Vol. 64, No. 1 (JANUARY-FEBRUARY 1999), pp. 240-250.

Oprsal, I., Zahradnik, J., 1999. From unstable to stable seismic modelling by finite-difference method. , Phys. Chem. Earth (A), Vol. 24, Part A, No. 3, pp. 247-252, 1999. Oprsal, I., Plicka, V. & Zahradnik, J., 1999.  Kobe simulation by hybrid methods. In: Irikura, K. et al. (eds.), The Effects of Surface Geology on Seismic Motion, Balkema, Rotterdam, pp. 1451-1456 (Proceedings of ESG'98, December 1-3, 1998, Yokohama, Japan).

Oprsal, I., Zahradnik, J., 1998. Stable finite-difference modelling of sedimentary basins, Report 7 of the consortium Seismic waves in complex 3-D structures, Dept. of Geophysics, Charles University, Prague, November 1998, pp. 349-374.

Oprsal, I., Plicka, V., Zahradnik, J., 1999. Kobe simulation by hybrid methods. In: Irikura, Kudo, Okada & Sasatani eds., The Effects of Surface Geology on Seismic Motion, Balkema, Rotterdam, ISBN 90 5809 033 7 (vol. 3), ISBN 90 5809 030 2 (vol. 1-3), pp. 1451-1456.
 (Proceedings of ESG'98, December 1-3, 1998, Yokohama, Japan).

Oprsal, I., Plicka, V. & Zahradnik, J., 1998.  Kobe simulation by hybrid methods. In Special Volume on Simultaneous Simulation for Kobe, Second International Symposium on The Effect of Surface Geology on Seismic Motion, December 1-3, 1998, Yokohama, Japan, pp. 143-148.

Oprsal, I., Pakzad, M., Plicka, V. & Zahradnik, J., 1998. Ground motion simulation by hybrid methods. In: Irikura, K. et al. (eds.), The Effects of Surface Geology on Seismic Motion, Vol. 2 of Proceedings of ESG'98, December 1-3, 1998, Yokohama, Japan; Balkema, Rotterdam, ISBN 90 5809 032 9 (vol. 2), ISBN 90 5809 030 2 (vol. 1-3), pp. 955-960. 

Brokesova, J., Bucha, V., Oprsal, I. &  Zahradnik, J., 1998. Seismic modeling for lignite prospection. Final report of the NATO SfS GR-COAL project (Prague Group). Dept. of Geophysics, Charles University (63 pp.)

Oprsal, I., Zahradnik, J., 1997. Robust finite-difference modelling of complex structures , Paper No. 15 in  Proc. of Int. Symposium on High Performance Computing in Sesmic Moidelling, June 2-4, 1997, Univ. of Zaragoza, Spain, F. J. Seron, and F., J. Sabadell (editors), 6 pp.

Oprsal, I. & Zahradnik, J., 1997.  Robust finite-difference  modelling  of  complex structures.   Research report Seismic  waves  in  complex  3-D  structures,  No. 6, 289-294. Dept. of Geophysics, Charles University.

Zahradnik, J., Oprsal, I., Plicka, V., 1996. Extensions of the finite-difference method: irregular grids, topography, hybrid methods, and absorption , Report 4 of the consortium Seismic waves in complex 3-D structures, Dept. of Geophysics, Charles University, Prague, 1996, 223-249.

Oprsal, I., Zahradnik, J.(suprevisor), 1996. Elastic Finite Difference Scheme for Topography models on Irregular Grids. Diploma thesis.


some presentations:


Oprsal, I., Faeh, D., Mai, M., Giardini, D., 2004. Deterministic Earthquake Scenarios For The Basel Area, Switzerland; Ground Motion Simulation of Combined Source And Site Effects. Presented at European Seismological Commission, XXIX General Assembly, Potsdam, Germany, September 12-17, 2004.

Oprsal, I., Brokesova, J., Zahradnik, J., Giardini, D., 2003. 3D FINITE-DIFFERENCE SEISMIC MODELING - COMBINED EFFECTS BY HYBRID METHODS. Oral presentation at  XXIII General Assembly of the International Union of Geodesy and Geophysics (IUGG2003), June 30 - July 11, 2003, Sapporo, Japan.

Oprsal, I., Zahradnik, J., Serpetsidaki, A., Tselentis, G-A., 2003. 3D Hybrid simulation of source and site effects during the 1999 Athens earthquake. Poster presentation at  XXIII General Assembly of the International Union of Geodesy and Geophysics (IUGG2003), June 30 - July 11, 2003, Sapporo, Japan.

Oprsal, I., Faeh, D., Giardini, D., Mai, M., 2003. THREE DIMENSIONAL FINITE-DIFFERENCE MODELING OF STRONG GROUND-MOTION SITE EFFECTS DUE TO THE FINITE-EXTENT SOURCE - 1356 BASEL EARTHQUAKE, UPPER RHINE GRABEN. Poster presentation at  XXIII General Assembly of the International Union of Geodesy and Geophysics (IUGG2003), June 30 - July 11,
2003, Sapporo, Japan.

Oprsal, I., Faeh, D., Giardini, D., Mai, M., 2003. Three dimensional modeling of strong ground-motion site effects in the Upper Rhine Graben due to the finite-extent source - 1356 Basel earthquake. Oral presentation at EGS-AGU-EUG Joint Assembly, Nice, France, 06 - 11 April 2003.

Oprsal, I., Faeh, D., Giardini, D., 2003. 3D Finite-difference Modeling of Strong Ground Motion in the Upper Rhine Graben - 1356 Basel earthquake Poster presentation at AGU 2002 Fall Meeting, December 6-10, 2002, San Francisco, USA. 

Oprsal, I., Brokesova J., Faeh, D., Giardini, D., 2002. 3D Hybrid Seismic Modeling: Ray-FD or DWN-FD Approach for Elastic Models With Locally Complex Structures. Poster and oral presentation at XXVIII General Assembly of The European Seismological Commission (ESC), Genova September 1-6, 2002, SCB-3.

Oprsal, I., Brokesova J., Faeh, D., Giardini, D., 2002. Fast 3D Hybrid Seismic Modeling: Ray-Fd Approach for Elastic Models With Locally Complex Structures. Oral presentation at 27th General Assembly of the European Geophysical Society - EGS 2002, Nice, April 22-26, 2002.

Oprsal, I., Brokesova J., Giardini, D., 2001. Efficient 3D Hybrid Ray-Fd Modeling For Elastic Media With Locally Complex Structures. Poster presentation at AGU 2001 Fall Meeting, December 10-14, 2001, San Francisco, USA. 

  

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