# \#seismology **URL:** https://community.geodynamics.org/tag/seismology/3.md [Latest](https://community.geodynamics.org/latest.md) · [Categories](https://community.geodynamics.org/categories.md) · [Tags](https://community.geodynamics.org/tags.md) --- ## [PhD opportunity: Coupling between atmosphere and Earth's crust](https://community.geodynamics.org/t/phd-opportunity-coupling-between-atmosphere-and-earths-crust/4566)
**Author:** [@thof](https://community.geodynamics.org/u/thof)\ **Replies:** 0\ **Last updated:** [June 22, 2026, 1:04pm UTC](https://community.geodynamics.org/t/phd-opportunity-coupling-between-atmosphere-and-earths-crust/4566 "2026-06-22T13:04:08Z")
Dear colleagues and students, at KIT (Karlsruhe, Germany) we have a job opening for PhD students funded within the DFG Research Unit RING (Rotations in Physics, Geophysics and Geodesy). We are looking for ambitious cand… --- ## [SimpleDB boundary condition for varied displacement rate](https://community.geodynamics.org/t/simpledb-boundary-condition-for-varied-displacement-rate/3792)
**Author:** [@dian.k](https://community.geodynamics.org/u/dian.k)\ **Replies:** 19\ **Last updated:** [June 8, 2026, 3:51pm UTC](https://community.geodynamics.org/t/simpledb-boundary-condition-for-varied-displacement-rate/3792 "2026-06-08T15:51:55Z")
Dear Pylith developer, I would like to create 3D modeling of inter-seismic fault deformation with boundary condition of displacement rate like in this figure below. The displacement rate (mm/ year) is applied and varied… --- ## [Nonlinear solve did not converge with comments "Line search: Cubic step no good, shrinking lambda"](https://community.geodynamics.org/t/nonlinear-solve-did-not-converge-with-comments-line-search-cubic-step-no-good-shrinking-lambda/4316)
**Author:** [@dian.k](https://community.geodynamics.org/u/dian.k)\ **Replies:** 2\ **Last updated:** [November 20, 2025, 2:32am UTC](https://community.geodynamics.org/t/nonlinear-solve-did-not-converge-with-comments-line-search-cubic-step-no-good-shrinking-lambda/4316 "2025-11-20T02:32:09Z")
Dear Sir, I use Pylith 2.2.1 to model interseismic deformation (with displacement rate applied on the boundaries), with several faults embedded in the model. At first when I ran the model with six faults, the model ran… --- ## [Workshop on Seismic Anisotropy](https://community.geodynamics.org/t/workshop-on-seismic-anisotropy/4363)
**Author:** [@montesi](https://community.geodynamics.org/u/montesi)\ **Replies:** 0\ **Last updated:** [November 12, 2025, 8:36pm UTC](https://community.geodynamics.org/t/workshop-on-seismic-anisotropy/4363 "2025-11-12T20:36:41Z")
Dear all, We are planning an NSF-supported workshop, titled “Integrating Seismic Anisotropy, Geodynamics, and Rock Deformation,” to be held at Washington University in St. Louis on May 31-June 2, 2026. The event will in… --- ## [How to model the rate of interseismic deformation of the surface in 3D fault zones?](https://community.geodynamics.org/t/how-to-model-the-rate-of-interseismic-deformation-of-the-surface-in-3d-fault-zones/3303)
**Author:** [@zhaxj](https://community.geodynamics.org/u/zhaxj)\ **Replies:** 9\ **Last updated:** [September 26, 2025, 6:35am UTC](https://community.geodynamics.org/t/how-to-model-the-rate-of-interseismic-deformation-of-the-surface-in-3d-fault-zones/3303 "2025-09-26T06:35:55Z")
Hi, The output of the Pylith example is almost displacement. I would like to build a 3D fault model to simulate the rate of interseismic deformation at the surface. I have tried several times without success. Can you pl… --- ## [Post-doc position: modeling dike-fault interactions at mid-ocean ridges](https://community.geodynamics.org/t/post-doc-position-modeling-dike-fault-interactions-at-mid-ocean-ridges/4177)
**Author:** [@jaolive](https://community.geodynamics.org/u/jaolive)\ **Replies:** 0\ **Last updated:** [June 19, 2025, 7:15pm UTC](https://community.geodynamics.org/t/post-doc-position-modeling-dike-fault-interactions-at-mid-ocean-ridges/4177 "2025-06-19T19:15:07Z")
Dear CIG community, We currently have an opening for a 2.5-year postdoctoral position at Ecole Normale Supérieure in Paris, on designing dynamic models of dike intrusions interacting with seismogenic faults at mid-ocean… --- ## [ERC PhD and PostDoc positions in modelling & imaging earthquake systems](https://community.geodynamics.org/t/erc-phd-and-postdoc-positions-in-modelling-imaging-earthquake-systems/4030)
**Author:** [@yvandinther](https://community.geodynamics.org/u/yvandinther)\ **Replies:** 0\ **Last updated:** [March 28, 2025, 2:41pm UTC](https://community.geodynamics.org/t/erc-phd-and-postdoc-positions-in-modelling-imaging-earthquake-systems/4030 "2025-03-28T14:41:44Z")
Dear CIG Colleagues, At Utrecht University we seek a PhD candidate and a postdoctoral researcher for up to 4 years to model and image earthquake systems in subduction zones. So are you - or do you know any one - excited… --- ## [Implementing the slip feild directly into the SPECFEM simulation](https://community.geodynamics.org/t/implementing-the-slip-feild-directly-into-the-specfem-simulation/3750)
**Author:** [@D22083](https://community.geodynamics.org/u/D22083)\ **Replies:** 1\ **Last updated:** [January 8, 2025, 6:50pm UTC](https://community.geodynamics.org/t/implementing-the-slip-feild-directly-into-the-specfem-simulation/3750 "2025-01-08T18:50:50Z")
Is it possible to implement the dynamic rupture directly in the SPECFEM or is it possible to implement the slip feild generated by solving the dynamic rupture separately. --- ## [Quakeworx Cybertraining Workshop - Registration Open](https://community.geodynamics.org/t/quakeworx-cybertraining-workshop-registration-open/3827)
**Author:** [@pjmaechling](https://community.geodynamics.org/u/pjmaechling)\ **Replies:** 0\ **Last updated:** [December 17, 2024, 10:13pm UTC](https://community.geodynamics.org/t/quakeworx-cybertraining-workshop-registration-open/3827 "2024-12-17T22:13:41Z")
REGISTRATION NOW OPEN —Quakeworx Kickoff: Advancing Earthquake Science and Cybertraining in Seismology (Jan 21-24, 2025) The Statewide California Earthquake Center (SCEC), in collaboration with the University of Califor… --- ## [Assistant Professor - computational geophysicist at Stony Brook University](https://community.geodynamics.org/t/assistant-professor-computational-geophysicist-at-stony-brook-university/3151)
**Author:** [@weisen](https://community.geodynamics.org/u/weisen)\ **Replies:** 0\ **Last updated:** [October 19, 2023, 8:13pm UTC](https://community.geodynamics.org/t/assistant-professor-computational-geophysicist-at-stony-brook-university/3151 "2023-10-19T20:13:23Z")
The Department of Geosciences at Stony Brook University invites applications for a tenure-track Assistant Professor faculty position in computational geophysics. We seek a candidate with the potential to carry out a prog… --- ## [SCOPED Post-Doctoral Fellow - Global & Computational Seismology Group, Colorado School of Mines](https://community.geodynamics.org/t/scoped-post-doctoral-fellow-global-computational-seismology-group-colorado-school-of-mines/3114)
**Author:** [@Ebru\_Bozdag](https://community.geodynamics.org/u/Ebru_Bozdag)\ **Replies:** 0\ **Last updated:** [September 15, 2023, 5:55pm UTC](https://community.geodynamics.org/t/scoped-post-doctoral-fellow-global-computational-seismology-group-colorado-school-of-mines/3114 "2023-09-15T17:55:28Z")
SCOPED Post-Doctoral Fellow - Global & Computational Seismology Group, Colorado School of Mines: seeking postdoctoral researcher to work on passive-source full-waveform modeling, HPC/Cloud problems in seismology. See th… --- ## [Call for abstracts CGU Session S5. New methods and findings on seismic and aseismic events](https://community.geodynamics.org/t/call-for-abstracts-cgu-session-s5-new-methods-and-findings-on-seismic-and-aseismic-events/2822)
**Author:** [@soliva](https://community.geodynamics.org/u/soliva)\ **Replies:** 0\ **Last updated:** [February 17, 2023, 8:56pm UTC](https://community.geodynamics.org/t/call-for-abstracts-cgu-session-s5-new-methods-and-findings-on-seismic-and-aseismic-events/2822 "2023-02-17T20:56:39Z")
Dear colleagues, The Canadian Geophysical Union (CGU) Annual Meeting will be back in person this year — on May 7-10, 2023 in beautiful Banff, Alberta! We wish to invite you to consider contributing your abstract to our … --- ## [Error Petsc Runnig Pylith 3.0.2](https://community.geodynamics.org/t/error-petsc-runnig-pylith-3-0-2/2626)
**Author:** [@DRCCGEO](https://community.geodynamics.org/u/DRCCGEO)\ **Replies:** 5\ **Last updated:** [October 21, 2022, 9:02pm UTC](https://community.geodynamics.org/t/error-petsc-runnig-pylith-3-0-2/2626 "2022-10-21T21:02:17Z")
Hello, when I try to run a subduction 3D problem (not the example one) with pylith version3.0.2: \[pylithapp.problem\] solver = nonlinear or solver = linear defaults.quadrature\_order = 1 I obtain the following error: "… --- ## [Error running examples/3d/subduction step01](https://community.geodynamics.org/t/error-running-examples-3d-subduction-step01/2112)
**Author:** [@yanfukang](https://community.geodynamics.org/u/yanfukang)\ **Replies:** 6\ **Last updated:** [October 6, 2022, 12:14pm UTC](https://community.geodynamics.org/t/error-running-examples-3d-subduction-step01/2112 "2022-10-06T12:14:07Z")
--- ## [How to set up friction behavior and free creep on the same fault](https://community.geodynamics.org/t/how-to-set-up-friction-behavior-and-free-creep-on-the-same-fault/2380)
**Author:** [@egg\_wang](https://community.geodynamics.org/u/egg_wang)\ **Replies:** 4\ **Last updated:** [April 28, 2022, 1:07pm UTC](https://community.geodynamics.org/t/how-to-set-up-friction-behavior-and-free-creep-on-the-same-fault/2380 "2022-04-28T13:07:32Z")
Hello, I wonder how to assign slip-weakening frition behavior at shallow part of the subduction fault, and set the deep part of the same fault as free creep. I noticed that these two conditions seemed to work only in d… --- ## [Questions about examples/2d/subduction step06](https://community.geodynamics.org/t/questions-about-examples-2d-subduction-step06/2357)
**Author:** [@egg\_wang](https://community.geodynamics.org/u/egg_wang)\ **Replies:** 1\ **Last updated:** [April 13, 2022, 6:42pm UTC](https://community.geodynamics.org/t/questions-about-examples-2d-subduction-step06/2357 "2022-04-13T18:42:35Z")
Hello, I’m currently trying to model spontaneous earthquakes with rate-state friction in subduction zones. I read the section 7.10.9 of the v2.2.1 manual and ran stepo6 successfully. I noticed the reference slip rate u… --- ## [Error generating mesh for examples/3d/subduction](https://community.geodynamics.org/t/error-generating-mesh-for-examples-3d-subduction/2114)
**Author:** [@yanfukang](https://community.geodynamics.org/u/yanfukang)\ **Replies:** 1\ **Last updated:** [November 30, 2021, 8:33pm UTC](https://community.geodynamics.org/t/error-generating-mesh-for-examples-3d-subduction/2114 "2021-11-30T20:33:41Z")
--- ## [Error running examples/3d/subduction step 1](https://community.geodynamics.org/t/error-running-examples-3d-subduction-step-1/2109)
**Author:** [@yanfukang](https://community.geodynamics.org/u/yanfukang)\ **Replies:** 1\ **Last updated:** [November 29, 2021, 3:55pm UTC](https://community.geodynamics.org/t/error-running-examples-3d-subduction-step-1/2109 "2021-11-29T15:55:19Z")
how to deal with the problem? thank you --- ## [Collaboration opportunities for SCOPED project (NSF CSSI)](https://community.geodynamics.org/t/collaboration-opportunities-for-scoped-project-nsf-cssi/1996)
**Author:** [@carltape](https://community.geodynamics.org/u/carltape)\ **Replies:** 0\ **Last updated:** [September 10, 2021, 5:17am UTC](https://community.geodynamics.org/t/collaboration-opportunities-for-scoped-project-nsf-cssi/1996 "2021-09-10T05:17:06Z")
Dear CIG community: We are introducing a new NSF CSSI project entitled SCOPED: Seismic COmputational Platform for Enabling Discovery. The four-year project will be centered at five institutions having opportunities for … --- ## [AGU session S025 "Theoretical and Computational Advances in Seismology"](https://community.geodynamics.org/t/agu-session-s025-theoretical-and-computational-advances-in-seismology/1918)
**Author:** [@carenelarmat](https://community.geodynamics.org/u/carenelarmat)\ **Replies:** 0\ **Last updated:** [July 21, 2021, 6:05pm UTC](https://community.geodynamics.org/t/agu-session-s025-theoretical-and-computational-advances-in-seismology/1918 "2021-07-21T18:05:39Z")
Dear colleagues, The session “Theoretical and Computational Advances in Seismology” is back for the 2021 AGU Fall meeting, as the session S025 . Our invited speakers this year are Jack Muir (California Institute of Tec… --- ## [Tenure-track faculty position in Seismology - University of Alaska Fairbanks](https://community.geodynamics.org/t/tenure-track-faculty-position-in-seismology-university-of-alaska-fairbanks/1794)
**Author:** [@carltape](https://community.geodynamics.org/u/carltape)\ **Replies:** 0\ **Last updated:** [April 14, 2021, 6:18pm UTC](https://community.geodynamics.org/t/tenure-track-faculty-position-in-seismology-university-of-alaska-fairbanks/1794 "2021-04-14T18:18:06Z")
The Geophysical Institute (GI) and Department of Geosciences at the University of Alaska Fairbanks (UAF) seek a new, tenure-track seismology faculty member at the rank of Assistant or Associate Professor. The new hire wi… --- ## [Creating Full Waveform Teleseismic Seismograms Using SPECFEM3D](https://community.geodynamics.org/t/creating-full-waveform-teleseismic-seismograms-using-specfem3d/1754)
**Author:** [@mateorush99](https://community.geodynamics.org/u/mateorush99)\ **Replies:** 0\ **Last updated:** [March 24, 2021, 6:19pm UTC](https://community.geodynamics.org/t/creating-full-waveform-teleseismic-seismograms-using-specfem3d/1754 "2021-03-24T18:19:48Z")
Hello community! My name is Manuel (Matt) Mendoza and I am a finishing Ph.D student at the University of California, Riverside. I would like to generate synthetic seismograms for large teleseismic earthquakes, specific… --- ## [Solid Earth Geodynamics PASC21 Call for papers](https://community.geodynamics.org/t/solid-earth-geodynamics-pasc21-call-for-papers/1546)
**Author:** [@Maceiram](https://community.geodynamics.org/u/Maceiram)\ **Replies:** 0\ **Last updated:** [October 23, 2020, 5:57pm UTC](https://community.geodynamics.org/t/solid-earth-geodynamics-pasc21-call-for-papers/1546 "2020-10-23T17:57:29Z")
Dear colleagues, Do you work with HPC resources? Do you use the cloud for your scientific work? Are you into edge computing? Please consider participation in the next PASC21 (Platform for Advanced Scientific Computing) … --- ## [MINEOS Install Problems and "Work Around"](https://community.geodynamics.org/t/mineos-install-problems-and-work-around/1218)
**Author:** [@bgd88](https://community.geodynamics.org/u/bgd88)\ **Replies:** 0\ **Last updated:** [April 23, 2020, 7:14pm UTC](https://community.geodynamics.org/t/mineos-install-problems-and-work-around/1218 "2020-04-23T19:14:50Z")
I recently had some trouble installing the MINEOS package and wanted to give you all heads up. The github depository (https://github.com/geodynamics/mineos) will compile correctly on a modern OSX (my system is 10.14.6), … --- ## [How to estimate the maximum frequency my model could resolved properly?](https://community.geodynamics.org/t/how-to-estimate-the-maximum-frequency-my-model-could-resolved-properly/699)
**Author:** [@Van](https://community.geodynamics.org/u/Van)\ **Replies:** 1\ **Last updated:** [April 8, 2020, 7:24am UTC](https://community.geodynamics.org/t/how-to-estimate-the-maximum-frequency-my-model-could-resolved-properly/699 "2020-04-08T07:24:51Z")
Dear all， Theoretically, the SEM used in SPECFEM3D require that the local element size should smaller than local minimum wavelength for a certain frequency. However, in the output\_solver, the minimum period resolved is … --- ## [Specfem\_Globe & Fully Anisotropic Models](https://community.geodynamics.org/t/specfem-globe-fully-anisotropic-models/1156)
**Author:** [@francesco.rappisi](https://community.geodynamics.org/u/francesco.rappisi)\ **Replies:** 0\ **Last updated:** [March 19, 2020, 12:03pm UTC](https://community.geodynamics.org/t/specfem-globe-fully-anisotropic-models/1156 "2020-03-19T12:03:37Z")
Hello everybody, I’m relatively new to Specfem3D (both Cartesian and Globe). I’m trying to generate synthetics using a model that is fully anisotropic (21 constants). I know that the cartesian version has already been te… --- ## [How to make synthetics by specfem3D](https://community.geodynamics.org/t/how-to-make-synthetics-by-specfem3d/783)
**Author:** [@likelymax](https://community.geodynamics.org/u/likelymax)\ **Replies:** 0\ **Last updated:** [August 28, 2019, 12:40am UTC](https://community.geodynamics.org/t/how-to-make-synthetics-by-specfem3d/783 "2019-08-28T00:40:38Z")
Hi, I’m trying to use the Specfem3D code to do forward simulations, and I have some questions about getting the desired synthetics. We have been through the SpecFem3D Manual, but we are still not clear on some of the r… --- ## [Mineos -problems with configuring on Mac](https://community.geodynamics.org/t/mineos-problems-with-configuring-on-mac/543)
**Author:** [@elodie](https://community.geodynamics.org/u/elodie)\ **Replies:** 1\ **Last updated:** [August 6, 2019, 5:31pm UTC](https://community.geodynamics.org/t/mineos-problems-with-configuring-on-mac/543 "2019-08-06T17:31:03Z")
Hi there, I’m running on MacOS10.11.6 and have downloaded the mineos source files. I configure as so: ./configure F77=gfortran FFLAGS=-Wno-return-type However “make” fails with fdb/swapn.c:43:3: error: non-void func… --- ## [Strange VTK file output, not readable in Paraview](https://community.geodynamics.org/t/strange-vtk-file-output-not-readable-in-paraview/740)
**Author:** [@nukenine](https://community.geodynamics.org/u/nukenine)\ **Replies:** 0\ **Last updated:** [July 26, 2019, 11:41am UTC](https://community.geodynamics.org/t/strange-vtk-file-output-not-readable-in-paraview/740 "2019-07-26T11:41:54Z")
Unsure if this is a Paraview issue or a specfem3d issue. I ran the example: check\_absolute\_amplitude\_of\_force\_source\_seismograms with 32 processors. Output in DATABASES\_MPI directory were 32 mesh VTK files. B… --- ## [Attenuation in SpecFEM3D and SpecFEM2D](https://community.geodynamics.org/t/attenuation-in-specfem3d-and-specfem2d/615)
**Author:** [@mtrapp](https://community.geodynamics.org/u/mtrapp)\ **Replies:** 0\ **Last updated:** [May 8, 2019, 9:26am UTC](https://community.geodynamics.org/t/attenuation-in-specfem3d-and-specfem2d/615 "2019-05-08T09:26:28Z")
Dear all, I have a question regarding the differences in attenuation between the algorithms of SpecFEM3D and SpecFEM2D. If I apply attenuation on my model in SpecFEM2D, it changes wave velocities and time periods heavi… [Next page](https://community.geodynamics.org/tag/seismology/3.md?match_all_tags=true&page=1&tags%5B%5D=seismology)