An ancient shallow slip event on the Mentawai segment of the Sunda megathrust, Sumatra

• Main Authors: Natawidjaja, Danny H., Suwargadi, Bambang W., Hill, Emma M., Philibosian, Belle, Sieh, Kerry, Chiang, Hong-Wei, Shen, Chuan-Chou, Edwards, R. Lawrence
• Format: Article
• Language: English
• Published: 2012
• Subjects: DRNTU::Science::Geology::Volcanoes and earthquakes
• Online Access: https://hdl.handle.net/10356/95554; http://hdl.handle.net/10220/8433
• Institution: Nanyang Technological University

The outer-arc islands of western Sumatra rise during great megathrust earthquakes, due to large slip on the underlying megathrust. In contrast, the islands subsided up to a few centimeters during the recent tsunamigenic earthquake of October 2010, due to slip far updip, near the trench. Coral microa...