Cracking Can Produce Underwater Volcanoes (IMAGE) University of Sydney Caption University of Sydney geoscientists have helped prove that the Musicians Ridge Seamounts in the Hawaiian-Emperor chain demonstrate a new type of volcanicsm with undersea volcanoes created from fractures not hot spots. Credit Professor Dietmar Muller Usage Restrictions None License Licensed 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.