International Federation of Digital Seismograph Networks

ZF (2011-2011): Alaska Langseth Experiment to Understand the megaThrust

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FDSN Network Information

FDSN code ZF (2011-2011) Network name Alaska Langseth Experiment to Understand the megaThrust (ALEUT)
Start year 2011 Operated by
  • Lamont Doherty Earth Observatory (LDEO), Columbia University
End year 2011 Deployment region United States of America
Short description

The aim of this program is to characterize the megathrust, overriding and downgoing plates, and other fault systems associated with the Alaska-Aleutian subduction zone from the Shumagin gap, across the Semidi segment, to the western end of the Kodiak asperity. To achieve this, we will use multichannel seismic (MCS) reflection and wide-angle reflection/refraction (WARR) data, and relate the reflection and velocity images to the mechanical behavior of the megathrust and other faults based on the history of subduction earthquakes [Davies et al., 1981], historical intraslab and crustal earthquake hypocenter distribution, present-day locking of the plate boundary from GPS data [Fournier and Freymueller, 2007], and other available constraints.

Citation Information

Digital Object Identifier (DOI) https://doi.org/10.7914/SN/ZF_2011
Citation
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