Hauksson, Egill and Yoon, Clara and Yu, Ellen and Andrews, Jennifer R. and Alvarez, Marcos and Bhadha, Rayo and Thomas, Valerie (2020) Caltech/USGS Southern California Seismic Network (SCSN) and Southern California Earthquake Data Center (SCEDC): Data Availability for the 2019 Ridgecrest Sequence. Seismological Research Letters, 91 (4). pp. 1961-1970. ISSN 0895-0695. doi:10.1785/0220190290. https://resolver.caltech.edu/CaltechAUTHORS:20200123-101850360
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Abstract
The 2019 M_w 6.4 and M_w 7.1 Ridgecrest earthquake sequence occurred in the eastern California shear zone (ECSZ). The mainshock ruptured the Little Lake fault zone, and aftershocks extended from the Garlock fault in the south to the southern end of the 1872 M 7.5 Owens Valley earthquake rupture in the north. We present data from the Southern California Seismic Network (SCSN) and partner seismic networks recorded by the SCSN in the region. These time‐series data and related products such as the SCSN earthquake picks and catalogs, available from the Southern California Earthquake Data Center, provide the most comprehensive seismic datasets for the 2019 Ridgecrest earthquake sequence.
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| Additional Information: | © 2020 Seismological Society of America. Manuscript received 1 October 2019; Published online 22 January 2020. The Southern California Seismic Network (SCSN) is partially funded by U.S. Geological Survey (USGS) Cooperative Agreements G15AC00023, G19AS00034, and California Office of Emergency Services (CalOES) Agreement 6012‐2017 with California Institute of Technology (Caltech). The SCEDC was also supported by the Southern California Earthquake Center (SCEC; Contribution No. 10006). SCEC is funded by National Science Foundation (NSF) Cooperative Agreement EAR‐1600087 & USGS Cooperative Agreement G17AC00047. The authors appreciate the support provided by more than 20 SCSN and Southern California Earthquake Data Center (SCEDC) staff members who maintain stations and communications systems, as well as data flow, processing, and archiving. The authors also thank National Earthquake Information Center (NEIC), Albuquerque Seismic Lab (ASL), and The Geothermal Program Office at the Naval Air Weapons Station China Lake staff for their collaboration, especially during the 2019 Ridgecrest sequence. Reviews were provided by two external reviewers, and SRL Associate Editor. E. Cochran and R. Graves provided internal USGS reviews of this article. Data and Resources: If you use Southern California Seismic Network (SCSN) data or the Southern California Earthquake Data Center (SCEDC), please acknowledge use of waveforms and parametric data from the California Institute of Technology & U.S. Geological Survey (Caltech/USGS) SCSN (http://www.scsn.org; doi: 10.7914/SN/CI); stored at the SCEDC (doi: 10.7909/C3WD3xH1). All SCSN recorded data and products are available through the SCEDC at https://scedc.caltech.edu and the Amazon Web Services (AWS) Open Data program (Yu et al., 2019). Data from the Ridgecrest earthquake sequence are now freely available as an AWS Public Dataset at this Registry of Open Data page: https://registry.opendata.aws/southern-california-earthquakes. The AWS bucket name is: s3://scedc‐pds and is stored in the us‐west‐2 AWS region. The data archive is being updated as needed and documentation is found at https://scedc.caltech.edu/cloud. SCEDC data access tools can be found at https://scedc.caltech.edu/research-tools/downloads.html. SCEDC also provides webservices, such as (1) earthquake parametric data in QuakeML (service.scedc.caltech.edu/fdsnws/event/1); (2) station metadata in StationXML (service.scedc.caltech.edu/fdsnws/station/1); (3) continuous waveforms in miniSEED (service.scedc.caltech.edu/fdsnws/dataselect/1); (4) triggered waveforms in miniSEED, Seismic Analysis Code (SAC), ASCII (service.scedc.caltech.edu/webstp); (5) poles and zeros in SAC ASCII (service.scedc.caltech.edu/scedcws/sacpz/1); (6) instrument response in RESP format (service.scedc.caltech.edu/scedcws/resp/1); and (7) waveform availability in ASCII (service.scedc.caltech.edu/scedcws/availability/1). SCSN time‐series data from ∼60 CI stations are also available from the Incorporated Research Institutions for Seismology (IRIS) Data Management Center (DMC) at http://ds.iris.edu/ds/nodes/dmc. Strong‐motion records from CI stations for events of magnitude ≥3.5 are available from the Center for Engineering Strong Motion Data (CESMD) at www.strongmotioncenter.org. Advanced National Seismic System (ANSS) performance standards are from https://www.usgs.gov/media/files/anss-performance-standards. Technical information about NetQuakes stations is available from https://earthquake.usgs.gov/monitoring/netquakes. The real‐time SCSN waveform videos are available at http://www.scsn.org/index.php/earthquakes/live-seismogram-feed/index.html. The specific SCSN waveform videos for the M_w 6.4 and M_w 7.1 Ridgecrest events are available at http://www.scsn.org/index.php/2019/07/04/07-2019-ridgecrest-sequence/index.html. Other relevant data are from the CISN website (http://www.cisn.org). All of these websites were last accessed in November 2019. | ||||||||||||||
| Group: | Seismological Laboratory | ||||||||||||||
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| Issue or Number: | 4 | ||||||||||||||
| DOI: | 10.1785/0220190290 | ||||||||||||||
| Record Number: | CaltechAUTHORS:20200123-101850360 | ||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20200123-101850360 | ||||||||||||||
| Official Citation: | Egill Hauksson, Clara Yoon, Ellen Yu, Jennifer R. Andrews, Marcos Alvarez, Rayo Bhadha, Valerie Thomas; Caltech/USGS Southern California Seismic Network (SCSN) and Southern California Earthquake Data Center (SCEDC): Data Availability for the 2019 Ridgecrest Sequence. Seismological Research Letters ; 91 (4): 1961–1970. doi: https://doi.org/10.1785/0220190290 | ||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||
| ID Code: | 100873 | ||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||||
| Deposited On: | 23 Jan 2020 18:44 | ||||||||||||||
| Last Modified: | 16 Nov 2021 17:57 |
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