“…In total, the Guest Editors of this SI received 25 submissions of which 12 were accepted for publication. Among these papers, the study areas cover the Atlantic coast (Liu et al, 2020;van der Lugt et al, 2019), the Salish Sea of the Pacific Ocean (Yang et al, 2020), the Arctic archipelago (Guo et al, 2020), the Bohai Sea (Cao et al, 2019;Song et al, 2020), the East China Sea (Chu et al, 2019;Xu et al, 2020;Wang et al, 2020a), and the South China Sea (Chen et al, 2019;Li et al, 2020;Wang et al, 2020b). Some of the presentations from the AGU Natural Hazards sessions were published elsewhere (Hegermiller et al, 2019;Kang and Xia, 2020;Shi et al, 2020).A summary of the articles contained in this SI is given in Table 1.…”