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Ground Magnetic Data from within the Long Valley Caldera, California
Entry ID: USGS_OFR_2004_1096

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Abstract: The past two decades have been a period of unrest for the Long Valley caldera
of eastern California. The unrest began in 1978 and continued through late
1999 and included recurring swarms of moderate earthquakes, as well as
uplifting of the Resurgent Dome, which has totaled approximately 80 cm. It is
believed that the seismicity is accompanied by magmatic intrusion beneath both
the Resurgent ... View entire text
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Description: Download Long Valley ground magnetic data.
Geographic Coverage
Spatial coordinates   
  N: 42.51   S: 32.02   E: -113.61   W: -124.9

Data Set Citation
Dataset Originator/Creator: E. D. Anderson and C. A. Finn
Dataset Title: Ground Magnetic Data from within the Long Valley Caldera, California
Dataset Series Name: Open File Report 2004
Dataset Release Date: 2004
Dataset Publisher: U.S. Geological Survey
Data Presentation Form: online files
Online Resource:
Temporal Coverage
Start Date: 2003-07-27
Stop Date: 2003-08-01
ISO Topic Category
Data Set Progress
Originating Center
Data Center
Publications-Western Region,Geological Division, U.S. Geological Survey, U.S. Department of the Interior Supplemental Info
Data Center URL:

Data Center Personnel
Phone: 650-329-5015
Fax: 650-329-5119
Email: cdonlin at
Contact Address:
U.S. Geological Survey
Geology Division
345 Middlefield Road
City: Menlo Park
Province or State: California
Postal Code: 94025
Country: USA
Distribution Media: online
Distribution Format: ASCII
Fees: No fees
Phone: 303-236-1345
Fax: 303-236-1229
Email: cfinn at
Contact Address:
U.S. Geological Survey
MS 964
Denver Federal Center
City: Denver
Province or State: CO
Postal Code: 80225
Country: USA
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Roberts, C. W. and Jachens, R. C., 1999, Preliminary aeromagnetic anomaly map of California: U.S. Geological Survey Open-File Report 99-440, scale 1:250,000. Sorey, M. L., McConnell, V. S., and Roeloffs, E., 2003, Summary of recent research in Long Valley Caldera, California: Journal of Volcanology and Geothermal Research, v. 127 pp. 165-173.
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Creation and Review Dates
DIF Creation Date: 2006-01-17
Last DIF Revision Date: 2017-08-23