Δελτίο της Ελληνικής Γεωλογικής Εταιρείας; Τόμ. 58 (2021): Special Issue on the 2021 Northern Thessaly, Greece, Earthquake Sequence; i-vii Bulletin of the Geological Society of Greece; Vol. 58 (2021): Special Issue on the 2021 Northern Thessaly, Greece, Earthquake Sequence; i-vii