Formation of the Vanuatu subduction zone (IMAGE) Faculty of Sciences of the University of Lisbon Caption Formation of the Vanuatu subduction zone. Credit Almeida, J., Riel, N., Rosas, F.M. et al. Self-replicating subduction zone initiation by polarity reversal. Commun Earth Environ 3, 55 (2022). https://doi.org/10.1038/s43247-022-00380-2 Usage Restrictions Attribution is required. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.