|FDSN code||NP||Operated by||U.S. Geological Survey|
|Network name||United States National Strong-Motion Network (NSMP)||Deployment region||United States of America|
|Start year||1931||End year||-|
The NSMP operates and maintains strong-motion instruments at more than 660 ground, free-field and reference sites, and more than 3200 channels of data from about 180 structural arrays.
|Digital Object Identifier (DOI)||https://doi.org/10.7914/SN/NP|
U.S. Geological Survey (1931): United States National Strong-Motion Network. International Federation of Digital Seismograph Networks. Dataset/Seismic Network. 10.7914/SN/NP
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|Additional Notes||Data from the NP network are archived in several locations. Data in miniSEED are available from IRIS, the NCEDC, and SCEDC. Recordings of strong motions are available from the Center for Engineering Strong Motion Data (http://www.strongmotioncenter.org/) in COSMOS format.|