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Magnetotelluric Data from the San Andreas Fault, Loma Prieta CA, 1989-1990; Station mt01

Dates

Publication Date
Start Date
1989-05-01
End Date
1989-05-01

Citation

Rodriguez, B.D., Brown, P.J., Johnson, M.R., McClees-Funinan, R., Powell, A.S., and Enns, K.D., 2022, Magnetotelluric Data from the San Andreas Fault, Loma Prieta CA, 1989-1990: U.S. Geological Survey data release, https://doi.org/10.5066/P9DIJHDK.

Summary

The U.S. Geological Survey (USGS) Geology, Geophysics and Geochemistry Science Center (GGGSC) collaborated with the USGS Science Analytics and Synthesis (SAS) team to preserve and release a subset of magnetotelluric data from the San Andreas Fault in Loma Prieta, California. The San Andreas Fault data were collected by the Branch of Geophysics, a precursor to the now GGGSC, between 1989 and 1994. The magnetotelluric data selected for this preservation project were collected in 1989 and 1990 using USGS portable truck mounted systems that measure the distribution of electrical conductivity beneath the surface of the earth. Truck mounted systems of this era output data to 3.5” discs, from which data were recovered and transformed to binary [...]

Contacts

Attached Files

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USA-California-San_Andreas_Fault-Loma_Prieta-1989-MT01-CP_Mid_02.edi 17.18 KB text/plain
USA-California-San_Andreas_Fault-Loma_Prieta-1989-MT01-CP_Mid_01.edi 17.17 KB text/plain
USA-California-San_Andreas_Fault-Loma_Prieta-1989-MT01-CP_Low_05.edi 17.08 KB text/plain
USA-California-San_Andreas_Fault-Loma_Prieta-1989-MT01-CP_Low_04.edi 17.08 KB text/plain
USA-California-San_Andreas_Fault-Loma_Prieta-1989-MT01-CP_Low_03.edi 17.07 KB text/plain
USA-California-San_Andreas_Fault-Loma_Prieta-1989-MT01-CP_Low_02.edi 17.07 KB text/plain
USA-California-San_Andreas_Fault-Loma_Prieta-1989-MT01-CP_Low_01.edi 17.09 KB text/plain
USA-California-San_Andreas_Fault-Loma_Prieta-1989-MT01-CP_High_06.edi 29 KB text/plain
USA-California-San_Andreas_Fault-Loma_Prieta-1989-MT01-CP_High_05.edi 29 KB text/plain
USA-California-San_Andreas_Fault-Loma_Prieta-1989-MT01-CP_High_04.edi 29 KB text/plain
USA-California-San_Andreas_Fault-Loma_Prieta-1989-MT01-CP_High_03.edi 29 KB text/plain
USA-California-San_Andreas_Fault-Loma_Prieta-1989-MT01-CP_High_02.edi 29 KB text/plain
USA-California-San_Andreas_Fault-Loma_Prieta-1989-MT01-CP_High_01.edi 29 KB text/plain
USA-California-San_Andreas_Fault-Loma_Prieta-1989-MT01-CP.edi 51.34 KB text/plain
SJ001_9ts.txt 34.65 KB text/plain
SJ001_9ts.bin 13 KB application/octet-stream
SJ001_9cp.txt 7.96 KB text/plain
SJ001_9cp.bin 5 KB application/octet-stream
SJ001_8ts.txt 35.14 KB text/plain
SJ001_8ts.bin 13 KB application/octet-stream
SJ001_8cp.txt 7.96 KB text/plain
SJ001_8cp.bin 5 KB application/octet-stream
SJ001_7ts.txt 35.18 KB text/plain
SJ001_7ts.bin 13 KB application/octet-stream
SJ001_7cp.txt 8.04 KB text/plain
SJ001_7cp.bin 5 KB application/octet-stream
SJ001_6ts.txt 34.39 KB text/plain
SJ001_6ts.bin 13 KB application/octet-stream
SJ001_6cp.txt 8.62 KB text/plain
SJ001_6cp.bin 5 KB application/octet-stream
SJ001_5ts.txt 34.74 KB text/plain
SJ001_5ts.bin 13 KB application/octet-stream
SJ001_5cp.txt 8.63 KB text/plain
SJ001_5cp.bin 5 KB application/octet-stream
SJ001_4ts.txt 35.04 KB text/plain
SJ001_4ts.bin 13 KB application/octet-stream
SJ001_4cp.txt 20.26 KB text/plain
SJ001_4cp.bin 10.75 KB application/octet-stream
SJ001_3ts.txt 35.53 KB text/plain
SJ001_3ts.bin 13 KB application/octet-stream
SJ001_3cp.txt 20.2 KB text/plain
SJ001_3cp.bin 10.75 KB application/octet-stream
SJ001_2ts.txt 34.93 KB text/plain
SJ001_2ts.bin 13 KB application/octet-stream
SJ001_2cp.txt 20.27 KB text/plain
SJ001_2cp.bin 10.75 KB application/octet-stream
SJ001_21ts.txt 32.53 KB text/plain
SJ001_21ts.bin 13 KB application/octet-stream
SJ001_20ts.txt 32.8 KB text/plain
SJ001_20ts.bin 13 KB application/octet-stream
SJ001_1ts.txt 35.87 KB text/plain
SJ001_1ts.bin 13 KB application/octet-stream
SJ001_1cp.txt 20.26 KB text/plain
SJ001_1cp.bin 10.75 KB application/octet-stream
SJ001_19ts.txt 33.61 KB text/plain
SJ001_19ts.bin 13 KB application/octet-stream
SJ001_18ts.txt 33.32 KB text/plain
SJ001_18ts.bin 13 KB application/octet-stream
SJ001_17ts.txt 29.85 KB text/plain
SJ001_17ts.bin 13 KB application/octet-stream
SJ001_16ts.txt 33.54 KB text/plain
SJ001_16ts.bin 13 KB application/octet-stream
SJ001_15ts.txt 34.02 KB text/plain
SJ001_15ts.bin 13 KB application/octet-stream
SJ001_14ts.txt 34.36 KB text/plain
SJ001_14ts.bin 13 KB application/octet-stream
SJ001_13ts.txt 34.81 KB text/plain
SJ001_13ts.bin 13 KB application/octet-stream
SJ001_13cp.txt 20.23 KB text/plain
SJ001_13cp.bin 10.75 KB application/octet-stream
SJ001_12ts.txt 34.82 KB text/plain
SJ001_12ts.bin 13 KB application/octet-stream
SJ001_12cp.txt 20.22 KB text/plain
SJ001_12cp.bin 10.75 KB application/octet-stream
SJ001_11ts.txt 34.52 KB text/plain
SJ001_11ts.bin 13 KB application/octet-stream
SJ001_11cp.txt 8.04 KB text/plain
SJ001_11cp.bin 5 KB application/octet-stream
SJ001_10ts.txt 34.96 KB text/plain
SJ001_10ts.bin 13 KB application/octet-stream
SJ001_10cp.txt 8.01 KB text/plain
SJ001_10cp.bin 5 KB application/octet-stream
mt01.png
“Raster plot of the phase angle and apparent resitivity for the station.”
thumbnail 195.37 KB image/png
Loma_Prieta_1989_site-01_Log.txt 64 Bytes text/plain
USA-California-San_Andreas_Fault-Loma_Prieta-1989-MT01-TS_EDI.txt 1.5 KB text/plain
USA-California-San_Andreas_Fault-Loma_Prieta-1989-MT01-TS_EDI.zip 364.3 KB application/zip
Loma_Prieta_1989_Data_Quality_site-01.csv 2.63 KB text/csv

Purpose

These magnetotelluric data that were previously locked in an inaccessible format are now readily available as a result of open-source software. The released information could help increase understanding of the San Andreas Fault system, which runs the length of California, as well as fault systems elsewhere. Seismic activity can pose potential hazards and great risk to communities in surrounding areas. Using the framework developed in this preservation effort to make more magnetotelluric data available will deepen our knowledge of fault systems and in turn benefit public welfare.

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