National Observatory of Athens, Institute of Geodynamics, Athens. (1975). National Observatory of Athens Seismic Network [Data set]. International Federation of Digital Seismograph Networks. https://doi.org/10.7914/SN/HL
The Hellenic Seismic Network (HL) is the nationwide backbone network in Greece. The mission of HL is to provide accurate and timely data for seismic monitoring and research of the Southeastern Mediterranean region.