UNDERCOVER Broadband Array Finland

This seismic network consisted of 35 broadband stations, with Trillium Compact 120 sensors and Cube-3 dataloggers, that recorded at 100 Hz from early May to early November 2025. The stations were deployed in northeastern Finland in the framework of the Horizon Project UNDERCOVER, in an area of about 180x150 km. Together with a more focused large-N deployment that was carried out at the same time, the data were collected to illuminate the crustal structure of a major Paleoproterozoic shear zone, the Kuusamo Schist Belt. Waveform data is available from the GEOFON data centre, under network code 6H.