International Federation of Digital Seismograph Networks

HG: High-Gain Long-Period Network

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FDSN Network Information

FDSN code HG Operated by Albuquerque Seismological Laboratory (ASL)/USGS
Network name High-Gain Long-Period Network (HGLP) Deployment region Global
Start date June 29, 1972 End date Jan. 29, 1979
Short description

High gain long period data; global distribution.

Citation Information

Digital Object Identifier (DOI)
Albuquerque Seismological Laboratory (ASL)/USGS (1972): High-Gain Long-Period Network. International Federation of Digital Seismograph Networks. Other/Seismic Network. 10.7914/SN/HG

Data Access

Data Availability

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Data available from IRISDMC (IRIS Data Management Center) using FDSN Web Services. See for more information including data access tools.

Stations in this Network