Data Services Products: EMC-iMUSH-MT Imaging Magma Under St. Helens (iMUSH) 3D Electrical Resistivity Model

Summary

iMUSH-MT is a three-dimensional electrical resistivity model for southwest Washington centered upon Mount St. Helens.

Description

Name iMUSH-MT
Title Imaging Magma Under St. Helens (iMUSH) 3D Electrical Resistivity Model
Type 3-D Electrical Resistivity Earth Model
Sub Type
Units log10 electrical resistivity (Ohm-m)
Year 2018
 
Short Description   Three-dimensional electrical resistivity model for southwest Washington
centered upon Mount St. Helens.
Authors:  
Paul A Bedrosian
United Stated Geological Survey
Denver, Colorado 80225, USA
 
Jared R. Peacock
United Stated Geological Survey
Menlo Park, California 94025
 
Esteban Bowles-Martinez
Oregon State University
Corvallis, Oregon 97331, USA
 
Adam Schultz
Oregon State University
Corvallis, Oregon 97331, USA
 
Graham J. Hill
University of Canterbury
Chrustchurch 8041, New Zealand
 
Previous Model None
Reference Model None
Model Download iMUSH.MT.Bedrosian2018.resistivity.nc (see metadata ), is the netCDF file for the model
and iMUSH-MT_Bedrosian_2018_resistivity_model.zip is the above model in its original format.
Model Homepage None
Depth Coverage 0 to 100 km
Areal Coverage Southwest Washington, United States (latitude: 45.09°/47.57°, longitude: -123.75°/-120.59°)
 
Data Set Description Inversion used 295 MT stations (full impedance tensors and vertical magnetic field transfer functions, period range ~0.01-1000 s).
Supplemental Information

Perspective view through the 3D resistivity mode
Perspective view through the 3D resistivity model and interpreted crustal architecture.
Isosurfaces are at resistivity greater than 300 Ω·m (blue) and less than 10 Ω·m (orange).
Seismicity shown in black; deep long-period earthquakes in white. Goat Rocks (GR);
Juan de Fuca (JdF); lower-crustal conductor (LCC); Mesozoic North America (MzNA); Mt.
Adams (MA); Mt. Rainier (MR); Mount St. Helens (MSH); Mount St Helens seismic zone (MSZ);
Siletz terrane (ST); Spirit Lake batholith (SLB); Spud Mountain pluton (SMP);
Tatoosh pluton (TP); West Rainier seismic zone (WRSZ). σ3 denotes interpreted minimum
principal stress direction (Bedrosian et al., Nature Geoscience, 2018).

Citations and DOIs

To cite the original work behind this Earth model:

  • Bedrosian, P.A., Peacock, J.R., Bowles-Martinez, E., Schultz, A, and Hill, G.J. (2018) Crustal inheritance and a top-down control on arc magmatism at Mount St. Helens, Nature Geoscience, in press.

To cite IRIS DMC Data Products effort:

  • Trabant, C., A. R. Hutko, M. Bahavar, R. Karstens, T. Ahern, and R. Aster (2012), Data Products at the IRIS DMC: Stepping Stones for Research and Other Applications, Seismological Research Letters, 83(5), 846–854, https://doi.org/10.1785/0220120032.

DOI for this EMC webpage:

Credits

Model provided by Paul A Bedrosian

Timeline

2018-07-30
online

Categories

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