Sumatra Trench Sumatra Trench The Sumatra Trench belongs to the Sunda Trench or Java Trench. The Sunda subduction zone (called also: the Sumatra-Andaman subduction zone) is located in the east part of Indian Ocean, and is about 300 km from the southwest coast of Sumatra and Java islands. It extends over 5000 km long, starting from Burma in the northwest and ending at Sumba Island in the southeast. The Java trench was generated by the oblique subduction of the Indo-Australian Plate into the Sunda plate at a rate of 61mm/y (in the south) and 51mm/y (in the north). The oceanic crust being
1943 Central Java earthquake Surakarta in the east. Alone in Bantul, there were 31 people dead, 564 people injured, and 2,682 houses collapsed. 1943 Central Java earthquake The 1943 Central Java earthquake occurred on July 23 at 14:53:10 UTC with a moment magnitude of 7.0 near Java, which was under Japanese occupation. The Yogyakarta depression area is mostly covered by alluvium and the volcanic deposit of Mount Merapi. The Yogyakarta depression area is located between the volcanic arc of the Central Java and the Java Trench. The earthquake affected the Yogyakarta depression area in Central Java. It caused about 213 deaths and over 3,900