NIKKILÄ, Kaisa1, KORJA, Annakaisa
1, KOYI, Hemin A.
2, and EKLUND, Olav
3, (1) Department of Geosciences and Geography, Institute of Seismology, P.O.Box 68, Helsinki, 00014, Finland, kaisa.nikkila@helsinki.fi, (2) Department of Earth Sciences, Uppsala University, Villavagen 69, Uppsala, 75236, Sweden, (3) Department of Natural Sciences, Geology and Mineralogy, Domkyrkotorget 1, Turku, 20500, Finland