22+ Mount Tambora Volcano Major Cities Pictures. As a result, the center for volcanology and geological hazard mitigation (cvghm) raised the alert level. Sumbawa island is made up of hundreds of small islands in this area including the two major ones.
Sumbawa is flanked both to the north and south by oceanic crust, and tambora was formed by the active subduction zone beneath it.
Views from the top of tambora are stunning and provide a peek into the caldera itself. The great age of revolution that began in may. Tambora is a stratovolcano , forming the sanggar peninsula of sumbawa island. Minor lava domes and flows have been extruded on the caldera floor during the list of natural disasters.