Geography of West SumatraApril 1, 2013 0 Comments
West Sumatra lies in the middle of the western coast of Sumatra, and has an area of 42,130.82 km². Geographic features include plains, mountainous volcanic highlands formed by the Barisan mountain range that runs from north-west to south-east, and an offshore island archipelago called the Mentawai Islands. The West Sumatran coastline faces the Indian Ocean and stretches 375 km from North Sumatra province in the north-west to Bengkulu in the south-east. The lakes of West Sumatra include: Maninjau (99.5 km²), Singkarak (130.1 km²), Diatas (31.5 km²), Dibawah (14.0 km²), Talang (5.0 km²). The rivers of West Sumatra include: Kuranji,Anai, Ombilin, Suliki, Agam, Sinamar, Arau. The mountains & volcanoes of West Sumatra include: Marapi (2,891 m), Sago (2,271 m), Singgalang (2,877 m),Talakmau (2,912 m), Talang (2,572 m), Tandikat (2,438 m).
West Sumatra is one of the earthquake prone areas in Indonesia, due to its location in the tectonic slab located between the confluence of two major continental plates (the Eurasian plate and Indo-Australian plate) and Great Sumatran fault, plus the activity of the active volcanoes. Large earthquakes that occurred recently in West Sumatra earthquake is 2009 Sumatra earthquake and the October 2010 Sumatra earthquake.