Completion requirements
View
Figure 9.10 shows the volcanoes in Indonesia, including Krakatau and Tambora. It also shows Mount Merapi on the island of Java, which is one of the world's most active volcanoes and is erupting frequently. Indonesia, an archipelago of more than 17,000 islands and islets, has nearly 130 active volcanoes.
Figure 9.10 Indonesia's Volcanoes (Lyn Topinka, USGS Base map from U.S. Central Intelligence Agency, 1997 Volcanoes from Simkin and Siebert, 1994. Public Domain).
Source: Lyn Topinka, USGS base map from CIA, 1997 volcanoes from Simkin and Siebert, https://commons.wikimedia.org/wiki/File:Map_indonesia_volcanoes.gif This work is in the Public Domain.