Passive Seismic Survey in Otanmäki

Otanmäki Mine has carried out a passive seismic survey in Otanmäki in cooperation with the University of Oulu. A total of 500 geophones were installed in two NW-SE direct lines across the Otanmäki gabbro intrusion. In addition, 44 geophones were installed in a circular line around Otanmäki. The aim of passive seismic measurement is to […]