Tectonic Summary of Java earthquake, 2009-09-02

African Plate

Fig-1 The African plate, shown in pinkish-orange.

Fig-2 Map of East Africa showing some of the historically active volcanoes(red triangles) and the Afar Triangle (shaded, center) -- a triple junction where three plates are pulling away from one another: the Arabian Plate, and the two parts of the African Plate (the Nubian Plate and the Somali Plate) splitting along the East African Rift Zone (USGS).