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Upper plate deformation and seismic barrier in front of Nazca subduction zone: The Chololo Fault System and active tectonics along the Coastal Cordillera, southern Peru
(Elsevier, 2008)
The South America plate boundary is one of the most active subduction zone. The recent Mw = 8.4 Arequipa 2001 earthquake ruptured the subduction plane toward the south over 400 km and stopped abruptly on the Ilo Peninsula. ...
Numerical simulation of tsunami runup in northern Chile based on non-uniform k22 slip distributions
(Springer, 2015)
A large seismic gap lies along northern Chile and could potentially trigger a M (w) similar to 8.8-9.0 megathrust earthquake as pointed out in several studies. The April 1, 2014, Pisagua earthquake broke the middle segment ...
Selection of Ground Motion Prediction Models for Subduction Zones in Costa Rica
(2022)
The selection of the Ground Motion Prediction Models (GMPM) is a key task for any seismic hazard analysis. The Interface
and Intraslab subduction zones of Costa Rica are considered in this research. For the first time, a ...
Ground motions observed during the 15 August 2007 Pisco, Peru, earthquake
(Springer, 2009)
A Mw 7.9 earthquake event occurred on 15 August 2007 off the coast of central Peru, 60 km west of the city of Pisco. This event is associated with subduction processes at the interface of the Nazca and South American plates, ...
Andean structural control on interseismic coupling in the North Chile subduction zone
(Macmillan Publishers Limited, 2013-04-28)
Segmentation can influence the extent of earthquake rupture and event magnitude(1): large megathrust earthquakes result from total rupture of relatively continuous segments of the subduction interface(2-5). Segmentation ...
Loreto intermediate depth earthquake of 26 May 2019 (Northeast Peru): source parameters by inversion of local to regional waveforms and strong‐motion observations
(Seismological Society of America, 2021-07-07)
The Loreto earthquake of 26 May 2019 occurred below the extreme northeast part of Peru at a depth of 140 km within the subducting Nazca plate at a distance of 700 km from the trench Peru–Chile. The orientation of the seismic ...
Active tectonics of Peru: heterogeneous interseismic coupling along the Nazca megathrust, rigid motion of the Peruvian Sliver, and Subandean shortening accommodation
(American Geophysical Union, 2016-10)
Over 100 GPS sites measured in 2008–2013 in Peru provide new insights into the present‐day crustal deformation of the 2200 km long Peruvian margin. This margin is squeezed between the eastward subduction of the oceanic ...
Seismic structure and tectonics of the continental wedge overlying the source region of the Iquique Mw8.1 2014 earthquake
(Elsevier, 2020)
On April 1, 2014, a large earthquake (Mw = 8.1) ruptured the central part of a historic seismic gap in northern Chile. In order to study the relationship between the co-seismic rupture characteristics and the crustal ...
Basal accretion along the south central Chilean margin and its relationship to great earthquakes
(American Geophysical Union, 2020)
The south central Chilean margin regularly produces many of the world's largest earthquakes and tsunami, including the 2010 Mw 8.8 Maule and 1960 Mw 9.5 Valdivia events. In 2017, we acquired seismic reflection data along ...