Surveying and Monitoring of Geothermal Operations using a Fiber Optic Borehole Seismic


SCH Number
Public Agency
California Energy Commission
Document Title
Surveying and Monitoring of Geothermal Operations using a Fiber Optic Borehole Seismic
Document Type
NOE - Notice of Exemption
Document Description
The project will do all of the following: Compile applicable existing seismic data for the Geysers geothermal field into a database for project use; build a fiber optic borehole seismic vector sensor array in the existing Paulsson laboratory in Van Nuys; test the seismic array in the Paulsson laboratory to ensure array operation in geothermal wells at the Geysers; conduct passive seismic field surveys in two existing wells at the Geysers using the array developed, with an active seismic survey conducted for one of the wells; analyze data generated by field surveys; and prepare reports on the project results.

Contact Information

Cheryl Closson
Agency Name
California Energy Commission
Contact Types
Lead/Public Agency


Van Nuys
Los Angeles

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15301, 15306
Reasons for Exemption
Operation, repair, maintenance, or minor alteration of existing strucures or facilities not expansing existing uses. Basic data collection, research, experimental management, and resource evaluation activities which do not result in a serious or major disturbance to an environmental resources.

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613.

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