Scientific publications

Analysis of stress and strain fields

1. Abolfathian, N., Martínez-Garzón, P., Ben-Zion, Y., 2018. Spatiotemporal Variations of Stress and Strain Parameters in the San Jacinto Fault Zone. Pure Appl. Geophys.

2. Abolfathian, N., Martínez‐Garzón, P., Ben‐Zion, Y., 2020. Variations of Stress Parameters in the Southern California Plate Boundary Around the South Central Transverse Ranges. Journal of Geophysical Research: Solid Earth 125, e2020JB019482.

3. Ickrath, M., Bohnhoff, M., Dresen, Martínez-Garzón, P., G., Bulut, F., Kwiatek., G. and Germer, O. (2015). Detailed analysis of spatiotemporal variations of the stress field orientation along the Izmit-Düzce rupture in NW Turkey from inversion of first motion polarity data, Geophys. J. Int., 202(3), 2120–2132, doi:10.1093/gji/ggv273.

4. Kılıç, T., Kartal, R.F., Kadirioğlu, F.T., Bohnhoff, M., Nurlu, M., Acarel, D., Martínez-Garzón, P., Dresen, G., Özsarac, V., Malin, P.E., 2020. Geophysical Borehole Observatory at the North Anatolian Fault in the Eastern Sea of Marmara (GONAF): initial results. J Seismol.

5. Martínez-Garzón, P., Bohnhoff, M., Kwiatek, G., Dresen, G. (2013). Stress tensor changes related to fluid injection at The Geysers geothermal field, California, Geophys. Res. Lett. 40, 2596–2601, doi:10.1002/grl.50438.

6. Martínez-Garzón, P., V. Vavryčuk, G. Kwiatek, and M. Bohnhoff (2016), Sensitivity of stress inversion of focal mechanisms to pore pressure changes, Geophys. Res. Lett., 2016GL070145, doi:10.1002/2016GL070145.

7. Martínez-Garzón, P., Heidbach, O., Bohnhoff, M., (2019) Contemporary stress and strain field in the Mediterranean from stress inversion of focal mechanisms, GPS data and shear-wave splitting. Tectonophysics, volume 774, 2020, 228286, ISSN 0040-1951,

8. Santoyo M.A., P. Martínez-Garzón, A. García-Jerez and F. Luzón (2016). Surface Dynamic Deformation Estimates From Seismicity Near the Itoiz Reservoir, Northern Spain. 20: 1021.

9. Wollin, C., Vavryčuk, V., Bohnhoff, M., Martínez-Garzón, P. (2018). Stress Inversion of Regional Seismicity in the Sea of Marmara Region, Turkey, Pure Appl. Geophys., doi:10.1007/s00024-018-1971-1.

10. Ziegler M. O., Heidbach, O., Zang, A., Martínez-Garzón, P., Bohnhoff, M. (2017). Estimation of the differential stress from the stress rotation angle in low permeable rock, Geophys. Res. Lett., 44, doi:10.1002/2017GL073598.

Analysis of faulting mechanisms and moment tensors

11. Bentz, S., Martínez‐Garzón, P., Kwiatek, G., Bohnhoff, M., Renner, J. (2018). Sensitivity of Full Moment Tensors to Data Preprocessing and Inversion Parameters: A Case Study from the Salton Sea Geothermal Field. Bulletin of the Seismological Society of America,doi:10.1785/0120170203

12. Martínez-Garzón, P., Kwiatek, G., Bohnhoff, M., Dresen, G. (2016). Impact of fluid injection on fracture reactivation at The Geysers geothermal field, J. Geophys. Res. Solid Earth, 121(10), 2016JB013137, doi:10.1002/2016JB013137.

13. Martínez-Garzón, P., Kwiatek, G., Bohnhoff, M., Dresen, G. (2017). Volumetric components in the earthquake source related to fluid injection and stress state, Geophys. Res. Lett., 44(2), 800–809, doi:10.1002/2016GL071963.

14. Roselli, P., Improta, L., Kwiatek, G., Martínez-Garzón, P., Saccorotti, G., & Lombardi, A. M. (2023). Source mechanisms and induced seismicity in the Val d’Agri Basin (Italy). Geophysical Journal International, 234(3), 1617–1627.

Maximum earthquake magnitude

15. Bentz, S., Kwiatek, G., Martínez-Garzón, P., Bohnhoff, M., & Dresen, G.. (2020). Seismic moment evolution during hydraulic stimulations. Geophysical Research Letters, 47, e2019GL086185. 

16. Bohnhoff, M., Martínez-Garzón, P., Bulut, F., Stierle, E., Ben-Zion, Y. (2016). Maximum earthquake magnitudes along different sections of the North Anatolian fault zone, Tectonophysics, 674, 147–165, doi:10.1016/j.tecto.2016.02.028.

17. Kwiatek, G., Martínez-Garzón, P., Dresen, G., Bohnhoff, M., Sone, H. and Hartline C. (2015). Effects of long-term fluid injection on induced seismicity parameters and maximum magnitude in northwestern part of The Geysers geothermal field, J. Geophys. Res. Solid Earth, 2015JB012362, doi:10.1002/2015JB012362.

18. Martínez-Garzón, P., Bohnhoff, M., Ben-Zion, Y., Dresen, G. (2015). Scaling of maximum observed magnitudes with geometrical and stress properties of strike-slip faults, Geophys. Res. Lett., 2015GL066478, doi:10.1002/2015GL066478.

Detection and analysis of aseismic slip

19. Becker, D., Martínez-Garzón, P., Wollin, C., Kılıç, T., & Bohnhoff, M. (2023). Variation of Fault Creep Along the Overdue Istanbul-Marmara Seismic Gap in NW Türkiye. Geophysical Research Letters, 50(6), e2022GL101471.

20. Bohnhoff, M., Wollin, C., Domigall, D., Küperkoch, L., Martínez-Garzón, P., Kwiatek, G., Dresen, G., Malin, P.E. (2017). Repeating Marmara Sea Earthquakes: Indication for fault creep, Geophysical Journal International 169, doi:10.1093/gji/ggx169.

21. Durand, V., Bentz, S., Kwiatek, G., Dresen, G., Wollin, C., Heidbach, O., Martínez‐Garzòn, P., Cotton, F., Nurlu, M., Bohnhoff, M., 2020. A Two‐Scale Preparation Phase Preceded an Mw 5.8 Earthquake in the Sea of Marmara Offshore Istanbul, Turkey. Seismological Research Letters 91, 3139–3147.

22. Durand, V., Gualandi, A., Ergintav, S., Kwiatek, G., Haghshenas, M., Motagh, M., Dresen, G. and Martínez-Garzón, P. (2022). Deciphering aseismic deformation along submarine fault branches below the eastern Sea of Marmara (Turkey): Insights from seismicity, strainmeter, and GNSS data. Earth and Planetary Science Letters, 594, 117702.

23. Guérin-Marthe, S., Kwiatek, G., Wang, L., Bonnelye, A., Martínez-Garzón, P., & Dresen, G. (2023). Preparatory Slip in Laboratory Faults: Effects of Roughness and Load Point Velocity. Journal of Geophysical Research: Solid Earth, 128(4), e2022JB025511.

24. Martínez-Garzón, P., Bohnhoff., M., Mencin, D., Kwiatek, G., Dresen, G., Hodkingson, K., Nurlu, M., Kadirioglu, F. T., Kartal, R. F. Slow-slip along the eastern Sea of Marmara seismic gap offshore Istanbul in conjunction with enhanced seismic moment release, Earth and Planetary Science Letters, 510, 209–218.

Controlled fluid-injection experiments and in-situ experiments

25. Amemoutou, A., Martínez-Garzón, P., Kwiatek, G., Rubinstein, J. L., & Bohnhoff, M. (2021). Earthquake Source Mechanisms and Stress Field Variations Associated With Wastewater-Induced Seismicity in Southern Kansas, USA. Journal of Geophysical Research: Solid Earth, 126(7), e2020JB021625.

26. Hofmann, H., Zimmermann, G., Farkas, M., Huenges, E., Zang, A., Leonhardt, M., Kwiatek, G., Martínez-Garzón, P., Bohnhoff, M., Min, K. B., Fokker, P., Westaway, R., Bethmann, F., Meier, P, Yoon, K. S., Choi, J. W., Lee, T. J., Kim, K. Y. First field application of cyclic soft stimulation at the Pohang Enhanced Geothermal System site in Korea. Geophys J Int 217, 926–949.

27. Kwiatek, G., Martínez-Garzón, P., Plenkers, K., Leonhardt, M., Zang, A., von Specht, S., Dresen, G., Bohnhoff, M., 2018. Insights Into Complex Subdecimeter Fracturing Processes Occurring During a Water Injection Experiment at Depth in Äspö Hard Rock Laboratory, Sweden. Journal of Geophysical Research: Solid Earth 123, 6616–6635.

28. Kwiatek, G., Saarno, T., Ader, T., Bluemle, F., Bohnhoff, M., Chendorain, M., M., Dresen, G., Heikkinen, P., Kukkonen, I., Leary, P., Leonhardt, M., Malin, P., Martínez-Garzón, P., Passmore, K., Passmore, P., Valenzuela, S., Wollin, C.  (2019). Controlling fluid-induced seismicity during a 6.1-km-deep geothermal stimulation in Finland. Science Advances, 5(5), eaav7224.

29. Leonhardt, M., Kwiatek, G., Martínez-Garzón, P., Bohnhoff, M., Saarno, T., Heikkinen, P., & Dresen, G. (2021). Seismicity during and after stimulation of a 6.1 km deep enhanced geothermal system in Helsinki, Finland. Solid Earth, 12(3), 581–594.

30. Martínez-Garzón, P., M. Bohnhoff, G. Kwiatek, G. Zambrano-Narváez, R. Chalaturnyk (2013). Microseismic monitoring of CO2 injection at the Penn West EOR Pilot, Canada: Implications for detection of wellbore leakage. Sensors, 2013, 13(9), 11522-11538;

31. Martínez-Garzón, P., Kwiatek, G., Bentz, S., Bohnhoff, M., Dresen, G., 2020. Induced earthquake potential in geothermal reservoirs: Insights from The Geysers, California. The Leading Edge 39, 873–882.

Statistical properties of seismicity catalogs

32. Blanke, A., Kwiatek, G., Martínez‐Garzón, P., & Bohnhoff, M. (2019). Sensitivity and Stability Analysis of Coda Quality Factors at The Geysers Geothermal Field, California. Bulletin of the Seismological Society of America, 109(3), 959–975.

33. Bocchini, G. M., Martínez-Garzón, P., Verdecchia, A., Harrington, R. M., Bohnhoff, M., Turkmen, T., & Nurlu, M. (2022). Direct Evidence of a Slow-Slip Transient Modulating the Spatiotemporal and Frequency-Magnitude Earthquake Distribution: Insights From the Armutlu Peninsula, Northwestern Turkey. Geophysical Research Letters, 49(18), e2022GL099077.

34. Kwiatek, G., Martínez-Garzón, P., Davidsen, J., Malin, P., Karjalainen, A., Bohnhoff, M., & Dresen, G. (2022). Limited Earthquake Interaction During a Geothermal Hydraulic Stimulation in Helsinki, Finland. Journal of Geophysical.

35. Leptokaropoulos, K., Staszek, M., Lasocki, S., Martínez-Garzón, P., Kwiatek, G., Evolution of seismicity in relation to fluid injection in the North-Western part of The Geysers geothermal field, Geophys. J. Int., Vol 212, Issue 2, 1 February 2018, Pages 1157-1166,

36. Raub, C., Martínez-Garzón, P., Kwiatek, G., Bohnhoff, M., Dresen, G. (2017). Variations of seismic b-value at different stages of the seismic cycle along the North Anatolian Fault Zone in northwestern Turkey, Tectonophysics, doi:10.1016/j.tecto.2017.05.028.

Seismic properties and source parameters of seismicity catalogs

37. Bocchini, G. M., Martínez‐Garzón, P., Harrington, R. M., & Bohnhoff, M. (2021). Does Deep Tectonic Tremor Occur in the Central-Eastern Mediterranean Basin? Journal of Geophysical Research: Solid Earth, 126(1), 2020JB020448.

38. Martínez-Garzón, P., Kwiatek, G., Bohnhoff, M., Sone, H., Dresen, G., Hartline, C. (2014). Spatiotemporal changes, faulting regimes and source parameters of induced seismicity: A case study from The Geysers geothermal field, J. Geophys. Res. Solid Earth, 119, doi:10.1002/2014JB011385.

39. Staszek, M., Orlecka-Sickora, B., Leptokaropoulos, K., Kwiatek, G., Martínez-Garzón, P. (2017). Temporal static stress drop variations due to injection activity at The Geysers geothermal field, CA, Geophys. Res. Lett., 44, 7168–7176, doi:10.1002/2017GL073929.

40. Wollin, C., Bohnhoff, M., Martínez-Garzón, P., Küperkoch, L., Raub, C., 2018. A unified earthquake catalogue for the Sea of Marmara Region, Turkey, based on automatized phase picking and travel-time inversion: seismotectonic implications. Tectonophysics.

Development of methodologies or software

41. Karimpouli, S., Caus, D., Grover, H., Martínez-Garzón, P., Bohnhoff, M., Beroza, G. C. Dresen, G., Goebel, T., Weigel, T., Kwiatek, G. Explainable machine learning for labquake prediction using catalog-driven features (in press at Earth and Plan. Sci. Lett.),

42. Kwiatek, G., P. Martínez‐Garzón, and M. Bohnhoff (2016), HybridMT: A MATLAB/Shell Environment Package for Seismic Moment Tensor Inversion and Refinement, Seismol. Res. Lett., doi:10.1785/0220150251.

43. Martínez-Garzón, P., G. Kwiatek, M. Ickrath and M. Bohnhoff  (2014). MSATSI: A MATLAB package for stress inversion combining solid classic methodology, a new simplified user-handling and a visualization tool. Seism. Res. Lett., 85, 4, doi:10.1785/0220130189.

44. Martínez-Garzón, P., Y. Ben-Zion, N. Abolfathian, G. Kwiatek, and M. Bohnhoff (2016), A refined methodology for stress inversions of earthquake focal mechanisms, J. Geophys. Res. Solid Earth, 2016JB013493, doi:10.1002/2016JB013493.

Earthquake clustering and nucleation

45. Bentz, S., Martínez‐Garzón, P., Kwiatek, G., Dresen, G., Bohnhoff, M., (2019). Analysis of Microseismicity Framing ML > 2.5 Earthquakes at The Geysers Geothermal Field, California. Journal of Geophysical Research: Solid Earth 0.

46. Malin, P.E., Bohnhoff, M., Blümle, F., Dresen, G., Martínez-Garzón, P., Nurlu, M., Ceken, U., Kadirioglu, F.T., Kartal, R.F., Kilic, T., Yanik, K., 2018. Microearthquakes preceding a M4.2 Earthquake Offshore Istanbul. Scientific Reports 8, 16176.

47. Martínez‐Garzón, P., Zaliapin, I., Ben‐Zion, Y., Kwiatek, G., & Bohnhoff, M. (2018). Comparative Study of Earthquake Clustering in Relation to Hydraulic Activities at Geothermal Fields in California. Journal of Geophysical Research: Solid Earth, 0(0).

48. Martínez-Garzón, P., Ben-Zion, Y., Zaliapin, I., Bohnhoff, M., 2019. Seismic clustering in the Sea of Marmara: Implications for monitoring earthquake processes. Tectonophysics 768, 228176.

49. Martínez‐Garzón, P., Durand, V., Bentz, S., Kwiatek, G., Dresen, G., Turkmen, T., Nurlu, M. and Bohnhoff, M.; Near‐Fault Monitoring Reveals Combined Seismic and Slow Activation of a Fault Branch within the Istanbul–Marmara Seismic Gap in Northwest Turkey. Seismological Research Letters 2021; doi:

50. Martínez-Garzón, P., Beroza, G. C., Bocchini, G. M., & Bohnhoff, M. (2023). Sea level changes affect seismicity rates in a hydrothermal system near Istanbul. Geophysical Research Letters, 50, e2022GL101258.