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

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : An ancient shallow slip event on the Mentawai segment of the Sunda megathrust, Sumatra
นักวิจัย : Philibosian, Belle , Sieh, Kerry , Natawidjaja, Danny H. , Chiang, Hong-Wei , Shen, Chuan-Chou , Suwargadi, Bambang W. , Hill, Emma M. , Edwards, R. Lawrence
คำค้น : DRNTU::Science::Geology::Volcanoes and earthquakes
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2555
อ้างอิง : Philibosian, B., Sieh, K., Natawidjaja, D. H., Chiang, H. W., Shen, C. C., Suwargadi, B. W., et. al. (2012). An ancient shallow slip event on the Mentawai segment of the Sunda megathrust, Sumatra. Journal of Geophysical Research, 117, B05401-. , http://hdl.handle.net/10220/8433 , http://dx.doi.org/10.1029/2011JB009075
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Journal of geophysical research
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

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 microatolls on one of the islands recorded a much larger subsidence, at least 35 cm, during an event in approximately A.D. 1314. We calculate a suite of slip models, slightly deeper and/or larger than the 2010 event, that are consistent with this large amount of subsidence. Sea level records from older coral microatolls suggest that these events occur at least once every millennium, but likely far less frequently than their great downdip neighbors. The revelation that shallow slip events are important contributors to the seismic cycle of the Mentawai segment further complicates our understanding of this subduction megathrust and our assessment of the region's exposure to seismic and tsunami hazards.

บรรณานุกรม :
Philibosian, Belle , Sieh, Kerry , Natawidjaja, Danny H. , Chiang, Hong-Wei , Shen, Chuan-Chou , Suwargadi, Bambang W. , Hill, Emma M. , Edwards, R. Lawrence . (2555). An ancient shallow slip event on the Mentawai segment of the Sunda megathrust, Sumatra.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Philibosian, Belle , Sieh, Kerry , Natawidjaja, Danny H. , Chiang, Hong-Wei , Shen, Chuan-Chou , Suwargadi, Bambang W. , Hill, Emma M. , Edwards, R. Lawrence . 2555. "An ancient shallow slip event on the Mentawai segment of the Sunda megathrust, Sumatra".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Philibosian, Belle , Sieh, Kerry , Natawidjaja, Danny H. , Chiang, Hong-Wei , Shen, Chuan-Chou , Suwargadi, Bambang W. , Hill, Emma M. , Edwards, R. Lawrence . "An ancient shallow slip event on the Mentawai segment of the Sunda megathrust, Sumatra."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2555. Print.
Philibosian, Belle , Sieh, Kerry , Natawidjaja, Danny H. , Chiang, Hong-Wei , Shen, Chuan-Chou , Suwargadi, Bambang W. , Hill, Emma M. , Edwards, R. Lawrence . An ancient shallow slip event on the Mentawai segment of the Sunda megathrust, Sumatra. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2555.