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Another potential source of destructive earthquakes and tsunami offshore of Sumatra

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : Another potential source of destructive earthquakes and tsunami offshore of Sumatra
นักวิจัย : Wiseman, Kelly , Banerjee, Paramesh , Sieh, Kerry , Bürgmann, Roland , Natawidjaja, Danny H.
คำค้น : DRNTU::Science::Geology::Volcanoes and earthquakes.
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2554
อ้างอิง : Wiseman, K., Banerjee, P., Sieh, K., Bürgmann, R., & Natawidjaja, D. H. (2011). Another potential source of destructive earthquakes and tsunami offshore of Sumatra. Geophysical Research Letters, 38. , http://hdl.handle.net/10220/8431 , http://dx.doi.org/10.1029/2011GL047226
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Geophysical research letters
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

We link geodetic data from the Sumatran GPS Array (SuGAr) and earthquake focal mechanisms to show that a 900-km long backthrust, arising from the Sunda megathrust offshore of Sumatra, has recently become active following the series of great megathrust earthquakes of this past decade. Shallow failure of the Mentawai backthrust explains coseismic displacements during moderate-earthquake clusters in 2005 and 2009. These two clusters represent the first activity on the backthrust in more than 30 years. Existing paleogeodetic evidence of vertical deformation in past centuries is too sparse to characterize earlier major activity, but leaves open the possibility of historic great backthrust earthquakes. Our geodetic evidence for rupture of the Mentawai backthrust during the two recent earthquake clusters suggests that this large fault may well pose an additional seismic and tsunami hazard to the coastal communities of central Sumatra.

บรรณานุกรม :
Wiseman, Kelly , Banerjee, Paramesh , Sieh, Kerry , Bürgmann, Roland , Natawidjaja, Danny H. . (2554). Another potential source of destructive earthquakes and tsunami offshore of Sumatra.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Wiseman, Kelly , Banerjee, Paramesh , Sieh, Kerry , Bürgmann, Roland , Natawidjaja, Danny H. . 2554. "Another potential source of destructive earthquakes and tsunami offshore of Sumatra".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Wiseman, Kelly , Banerjee, Paramesh , Sieh, Kerry , Bürgmann, Roland , Natawidjaja, Danny H. . "Another potential source of destructive earthquakes and tsunami offshore of Sumatra."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2554. Print.
Wiseman, Kelly , Banerjee, Paramesh , Sieh, Kerry , Bürgmann, Roland , Natawidjaja, Danny H. . Another potential source of destructive earthquakes and tsunami offshore of Sumatra. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2554.