image: A tsunami generated by a volcanic flank collapse is believed to have swept huge boulders like this one into the highlands of Santiago island. Here, a researcher chisels out a sample for dating. This material relates to a paper that appeared in the Oct. 2 2015, issue of Science, published by AAAS. The paper, by R.S. Ramalho at University of Bristol in Bristol, UK, and colleagues was titled, "Hazard potential of volcanic flank collapses raised by new megatsunami evidence." view more
Credit: [Credit: Ricardo Ramalho]