Workflow for computing time dependent seismic representations (force, torque, moment tensor) from numerical simulations Article Swipe
Overview This is the code package and data accompanying the publication of Nonsymmetric seismic moment tensors and seismic torques: Theory and application to caldera collapse earthquakes at Kilauea Volcano in 2018, on the journal Bulletin of the Seismological Society of America. The package contains the workflow for computing time-dependent seismic source representations (i.e. force, torque, and moment tensor) from displacement and tractions at the boundary of the source region. The package also contains the data necessary to compute the seismic representations of a basaltic caldera collapse earthquake, the dynamic rupture simulation of which was previously presented in Wang et al., 2024. Structure of the files The package contains 4 directories: analyses, data, functions, and utilities. "Analyses" contains all the scripts that can be run without modifications. In particular, cmp_chamber_rep.m or cmp_fault_rep.m can be adapted to compute source representations for any source of interest to the user. pt_src_wavefield.m can be adapted to compute the seismic wavefield at the surface, given time dependent force, moment, and torque. Analyses cmp_chamber_rep.m Compute point seismic representation for magma chamber dynamics during a basaltic caldera collapse earthquake (force, moment & torque). cmp_fault_rep.m Compute point seismic representation for ring fault dynamics during a basaltic caldera collapse earthquake (force, moment & torque). cmp_total_rep.m Compute the complete seismic representation of caldera collapse earthquakes (ring fault + chamber). checkRingFaultMT.m Demonstrate that the moment tensor decomposition for the ring fault, in terms of +ISO & vertical P-CLVD, can be explained by the internal deformation of the caldera block due to static pressurization of the magma chamber. pt_src_wavefield.m Compute the wavefield for the entire Kilauea summit due to caldera collapse. cmpr_wavefields.m Compare the wavefield from dynamic rupture simulations of caldera collapse (SeisSol) with that from its point source representation (force, torque, moment). spheroid_fullspace_MT.m Verify the expression for the generalized moment tensor with uniformly pressurized spheroidal cavities
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- Type
- other
- Landing Page
- https://doi.org/10.5281/zenodo.17676339
- OA Status
- green
- OpenAlex ID
- https://openalex.org/W7106286022
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https://openalex.org/W7106286022Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.5281/zenodo.17676339Digital Object Identifier
- Title
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Workflow for computing time dependent seismic representations (force, torque, moment tensor) from numerical simulationsWork title
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otherOpenAlex work type
- Publication year
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2025Year of publication
- Publication date
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2025-11-21Full publication date if available
- Authors
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Wang Tai-yiList of authors in order
- Landing page
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https://doi.org/10.5281/zenodo.17676339Publisher landing page
- Open access
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YesWhether a free full text is available
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greenOpen access status per OpenAlex
- OA URL
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https://doi.org/10.5281/zenodo.17676339Direct OA link when available
- Concepts
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Caldera, Geology, Seismology, Seismogram, Seismic moment, Moment (physics), Magma chamber, Representation (politics), Point (geometry), Fault (geology), Volcano, Seismic wave, Geophysics, Magma, Deformation (meteorology), Point source, Block (permutation group theory)Top concepts (fields/topics) attached by OpenAlex
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0Total citation count in OpenAlex
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