International Federation of Digital Seismograph Networks

NC: USGS Northern California Network

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FDSN Network Information

FDSN code NC Operated by USGS Menlo Park
Network name USGS Northern California Network (NCSN) Deployment region United States
Start date Jan. 1, 1967 End date -
Network Website
Short description

The NCSN is a regional network for monitoring earthquakes in Northern and Central California and is part of the Northern California Seismic System. As of 2016, the NCSN is a mix of analog and digital instrumentation. The digital instrumentation consists of both broadband and strong motion sensors. Current efforts are focused to upgrade instrumentation in support of earthquake early warning and other activities.

Citation Information

Digital Object Identifier (DOI)
USGS Menlo Park (1967): USGS Northern California Network. International Federation of Digital Seismograph Networks. Other/Seismic Network. 10.7914/SN/NC

Data Access

Data Availability

Data available from NCEDC (Northern California Earthquake Data Center) using FDSN Web Services. See for more information including data access tools.

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Full fedcatalog information for this network

Stations in this Network