Interseismic deformation above the Sunda megathrust recorded in coral microatolls of the Mentawai islands, West Sumatra

• Main Authors: Natawidjaja, Danny H., Suwargadi, Bambang W., Sieh, Kerry, Galetzka, John, Cheng, Hai, Edwards, R. Lawrence, Chlieh, Mohamed
• Format: Article
• Language: English
• Published: 2012
• Subjects: DRNTU::Science::Geology::Volcanoes and earthquakes
• Online Access: https://hdl.handle.net/10356/95562; http://hdl.handle.net/10220/8473
• Institution: Nanyang Technological University

The geomorphology and internal stratigraphy of modern coral microatolls show that all the outer arc Mentawai islands of West Sumatra have been subsiding over the past several decades. These same islands rose as much as 3 m during the giant megathrust earthquakes of 1797 and 1833, and the current sub...