New Seismic Monitoring Station Installation


SCH Number
Public Agency
California Governor's Office of Emergency Services (OES)
Document Title
New Seismic Monitoring Station Installation
Document Type
NOE - Notice of Exemption
Document Description
The state-of-the-art earthquake recording and telemetry equipment proposed to be installed at this station will contribute continuous seismic data to the CA Earthquake Early Warning System (GEEWS) and ShakeAlert, designed to potentially save thousands of lives during a large earthquake, prevent critical infrastructure damage, and expedite recovery following a large earthquake. See NOE for full description.

Contact Information

Lind Gee
Agency Name
CA Office of Emergency Services (Cal OES)
Contact Types
Lead/Public Agency

Agency Name
U.S. Geological Survey (CEEWS Project#: 6087-6)
Contact Types
Project Applicant


Portola Valley
San Mateo
Other Location Info
Alpine Road & Portola Road, Portola Valley, CA; Lat/Lon: 37.28415/-122.20929; Dot Map ID: UG1046; Station Name/Site Code: Peters Creek/NC JPE

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 3, 15301
Reasons for Exemption
This project is exempt in accordance with Glass 3 as described above; construction of new small weatherproof enclosures to operate seismic sensor equipment for the purpose of data collection (Class 6). In accordance with Class 4, the project described above consists of minor public or private alterations in the condition of land and/or vegetation which do not involve removal of healthy, mature, scenic trees. None of the exceptions to a notice of exemption apply.


Notice of Exemption

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