High-resolution seismic data acquired at six seismic network recording stations in San Bernardino County, California in 2019

Dates

Publication Date: 2021-09-29
Acquisition: 2019-05

Citation

Chan, J.H., Catchings, R.D., Goldman, M.R., and Criley, C.J., 2021, High-resolution seismic data acquired at six seismic network recording stations in San Bernardino County, California in 2019: U.S. Geological Survey data release, http://doi.org/10.5066/P9LWG1EC.

Summary

In May 2019, the U.S. Geological Survey acquired high resolution P- and S-wave seismic data near six seismic network recording stations in San Bernardino County, California: Southern California Seismic Network CI.CLT Calelectic, CI.MLS Mira Loma, CI.CJM Cajon Mountain and CI.HLN Highland; California Strong Motion Instrumentation Program station CE.23542; and US National Strong-Motion Network station NP.5326 (Figure 1). The primary goals of the seismic survey were to better understand the potential for amplified ground shaking, to evaluate lateral variability in shear-wave velocity, and to calculate Vs30 at these sites. We deployed up to 67 DTCC SmartSolo 3-component seismometer systems ("nodes") at 2-m spacing along six linear arrays [...]

Summary

In May 2019, the U.S. Geological Survey acquired high resolution P- and S-wave seismic data near six seismic network recording stations in San Bernardino County, California: Southern California Seismic Network CI.CLT Calelectic, CI.MLS Mira Loma, CI.CJM Cajon Mountain and CI.HLN Highland; California Strong Motion Instrumentation Program station CE.23542; and US National Strong-Motion Network station NP.5326 (Figure 1). The primary goals of the seismic survey were to better understand the potential for amplified ground shaking, to evaluate lateral variability in shear-wave velocity, and to calculate Vs30 at these sites.

We deployed up to 67 DTCC SmartSolo 3-component seismometer systems ("nodes") at 2-m spacing along six linear arrays and collocated P- and S-wave sources at ~1-m offset from the nodes. We generated active-source P-waves using a 3.5-kg sledgehammer and steel plate combination. Active-source S-waves were generated by horizontally striking an aluminum block with a 3.5-kg sledgehammer. SmartSolo nodes are standalone seismometers with 3-component sensors (5-Hz corner frequency and sensitivity of 76.7 volts/meter/second), battery, and built-in GPS to record location and time. The nodes recorded seismic data continuously at a 0.5-ms sampling rate, and shot timing was recorded by GPS event capture hardware to precisely determine the shot times. For some individual surveys, the nodes were buried a few inches below the ground surface to reduce noise. This report provides the metadata needed to utilize the seismic data.

Acknowledgements: We thank Garet Huddleston, Dan Langermann, Carolyn Stieban, Zhenning Ma, Luther Strayer, and Chris Green for assistance in data acquisition.

Reference: Barry, K.M., Cavers, D.A. and Kneale, C.W., 1975, Recommended standards for digital tape formats: Geophysics, vol. 40, no. 2, p. 344-352.

Contacts

Point of Contact :: Joanne H Chan, Rufus D Catchings
Process Contact :: Mark R Goldman
Originator :: Joanne H Chan, Rufus D Catchings, Coyn J Criley, Mark R Goldman
Metadata Contact :: Joanne H Chan, Mark R Goldman
Publisher :: U.S. Geological Survey
Participant :: Garet J Huddleston, Daniel S Langermann, Carolyn Stieban, Zhenning Ma, Luther Strayer, Chris Green
Distributor :: U.S. Geological Survey - ScienceBase
SDC Data Owner :: Earthquake Hazards Program
USGS Mission Area :: Natural Hazards

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“SEGY raw data”		423.48 MB	application/octet-stream
“SEGY raw data”		423.48 MB	application/octet-stream
“SEGY raw data”		423.48 MB	application/octet-stream
“SEGY raw data”		476.27 MB	application/octet-stream
“SEGY raw data”		476.27 MB	application/octet-stream
“SEGY raw data”		476.27 MB	application/octet-stream
“SEGY raw data”		338.34 MB	application/octet-stream
“SEGY raw data”		338.34 MB	application/unknown
“SEGY raw data”		338.34 MB	application/octet-stream
“SEGY raw data”		358.15 MB	application/octet-stream
“SEGY raw data”		358.15 MB	application/octet-stream
“SEGY raw data”		358.15 MB	application/octet-stream
“SEGY raw data”		349.65 MB	application/octet-stream
“SEGY raw data”		349.65 MB	application/octet-stream
“SEGY raw data”		349.65 MB	application/octet-stream
la19.6.e.segy “SEGY raw data”		250.13 MB	application/unknown
la19.6.n.segy “SEGY raw data”		250.13 MB	application/unknown
la19.6.z.segy “SEGY raw data”		250.13 MB	application/unknown
LA19.locations.csv “Geophone station locations”		11.98 KB	text/csv
LA19.setup.csv “Acquisition parameter”		68.59 KB	text/csv
LA19.stationID.csv “Station ID”		81 Bytes	text/csv
LA19_Metadata.xml “Metadata” Original FGDC Metadata	View	19.93 KB	application/fgdc+xml
LA2019_summary.docx “Summary”		2.91 MB	application/vnd.openxmlformats-officedocument.wordprocessingml.document
LA2019_summary_FINAL.docx “Summary”		2.91 MB	application/vnd.openxmlformats-officedocument.wordprocessingml.document
LA2019Map.png “Google Earth image of study area”		11.93 MB	image/png

Purpose

The primary goals of the seismic survey were to better understand the potential for amplified ground shaking, to evaluate lateral variability in shear-wave velocity, and to calculate Vs30 at these sites.

High-resolution seismic data acquired at six seismic network recording stations in San Bernardino County, California in 2019

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