Lake Surprise (image) Geological Society of America Share Print E-Mail Caption Lake Surprise, Budj Bim Volcanic Complex, Victoria, Australia. Credit Photo via Creative Commons. Usage Restrictions Photo via Creative Commons. Share Print E-Mail 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.