F1: F1
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FDSN Network Information
| FDSN code | F1 | Network name | F1 |
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| Start year | 2023 | Operated by | |
| End year | - | Deployment region | - |
| Description |
The F1 network code includes selected broadband velocimetric data collected from three DAS instruments of the OptoDAS type, manufactured by ASN (Alcatel Submarine Networks). These instruments interrogate three underwater fiber-optic cables offshore of central Chile, spanning 400 km (from 5 m above sea level to 2000 m below sea level). The original DAS data is recorded as strain rate, with a spatial sampling interval of 15 m, resulting in 26,664 virtual sensors along the fibers. Two instruments operate at a sampling rate of 62.5 Hz, while one operates at 100 Hz. Downsampling and conversion to velocity are performed directly on the instruments. The resulting network delivers single-component broadband ground velocity measurements every 5 km, yielding a total of 80 virtual stations.Real-time transmission is made through a SeedLink protocol in the MiniSEED format from the instruments. The metadata complies with the FDSN MiniSEED 2.6 norm. |
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Citation Information
| Digital Object Identifier (DOI) |
No DOI is registered for this network.
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standardized way of identifying electronic records, and can be used to automatically
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Data Access
| Data Availability |
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FDSN Web Services provide a common data access API for seismic data.
Availability based on irisws-fedcatalog service.
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