Geography of Indonesia is responsible for the creation of the Sunda Trench, and mountain ranges across Sumatra, Java, and the Lesser Sunda Islands. Many great earthquakes occurred in the vicinity of the fault, such as the 2004 Indian Ocean earthquake. Mount Merapi, located in the Java portion of the megathrust, is the most active volcano in Indonesia and is designated as one of world's Decade Volcanoes due to the hazard it poses to the surrounding populated areas. The northern part of Sulawesi and Maluku Islands lie on the convergence of Sunda Plate and Molucca Sea Plate, making it an active tectonic region with
Second Battle of the Java Sea discovered that the wrecks of HMS "Exeter" and HMS "Encounter" were missing from the ocean floor. The Guardian newspaper subsequently reported that the wrecks of HMS "Exeter", HMS "Encounter", and part of HMS "Electra", as well as the submarine USS "Perch" were missing and presumed illegally scavenged. Commenting on their removal, one of the men involved in their original discovery is stunned at the magnitude of the salvaging that appears to have taken place. Second Battle of the Java Sea The Second Battle of the Java Sea was the last naval action of the Netherlands East Indies campaign, of 1941–42.