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We observed vertically displaced coastal and river markers after the 27 February 2010 Chilean earthquake [moment magnitude (Mw) 8.8]. Land-level changes range between 2.5 and -1 meters, evident along an approximately 500-kilometers-long segment identified here as the maximum length of coseismic rupture. A hinge line located 120 kilometers from the trench(More)
The 2015 M w 8.3 Illapel, Chile earthquake is the latest megathrust event on the central segment of that subduction zone. It generated strong ground motions and a large (up to 11 m runup) tsunami which prompted the evacuation of more than 1 million people in the first hours following the event. Observations during recent earthquakes suggest that these(More)
In this work, we describe a system in which a thermally tunable micro-ring resonator filter is applied to monitor spectral shifts in a FBG sensor. The system was simulated using the time interval method with a simple ring resonator thermo-optical model with experimental values. For 2.56 nm scan range at 1 Hz we predicted a time interval sensitivity of 124(More)
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