(a) From top to bottom: teleseismic waveforms (black: observations and red: synthetics), slip model, seafloor deformation, and tsunami waveforms for a fault with slip extending up to the trench axis having 66 subfaults (strike wise: 11; dip wise: 6 subfaults). Geology and Geophysics,Physical The five stations accompanied with names are those shown in Figures,Seismic inversion and tsunami simulation results for a fault with slip extending up to the trench axis having 66 subfaults (strike wise: 11; dip wise: 6 subfaults). The depth range of the large‐slip area is 14.7–34.7 km.
(b) Source‐time function for the final model with 44 subfaults whose depths are in the range of 14.7–44.1 km. The April 2016 Ecuador M w 7.8 earthquake was the first megathrust tsunamigenic earthquake along the Ecuador‐Colombia subduction zone since 1979 (M w 8.2 with 200 deaths from tsunami).
Processes in Geophysics,Atmospheric Furthermore, its size is similar to that of the 1942 event (both,In recent years, it has been shown that tsunami observations contain valuable information about earthquake sources; thus, a combination of seismic and tsunami observations has been used to obtain source models of large subduction zone earthquakes [,Numerical modeling of tsunami was conducted using a nonlinear shallow water model by a finite difference method [,We first conducted inversion of teleseismic body waves for the 66 subfaults reaching the trench axis (Figure,We then excluded the shallow subfaults and tested 55 (11 × 5) and 44 (11 × 4) subfault models covering depth ranges of 12.4–44.1 km (Figure,Tsunami simulations revealed that the initial early peak still exists for the 55‐subfault model (i.e., 11 × 5 in Figure,To finalize the slip model, we performed teleseismic inversion using the 44‐subfault model by changing,The source region of the 2016 earthquake is similar to that of the 1942 earthquake, which also generated moderate tsunami damage. (a) From top to bottom: teleseismic waveforms (black: observations and red: synthetics), slip model, seafloor deformation, and tsunami waveforms from the model,Seismic inversion and tsunami simulation results for faults with different fault widths. Geophysics,Marine Geophysics,Biological Oceanography,Interplanetary The 2016 earthquake was the result of the Nazca plate moving beneath the South American plate at a rate of 2.5 to 4.6cm a year off the shore of Ecuador-Columbia. Other natural hazards in Ecuador: › Volcanos › Earthquake The origin time of the earthquake was 23:58:36 UTC with an epicenter located at 79.922°W and 0.382°N (Figure,The 2016 Ecuador earthquake was the result of the subduction of the Nazca plate beneath the South American plate at a rate of 2.5 to 4.6 cm/yr offshore Ecuador and Colombia [,The 2016 event is important because it is among the largest damaging earthquakes to hit the area in decades. The biggest impact in terms of lifes, injuries, destroyed homes and economy had been a tsunami on 01/19/1958. Planets,Magnetospheric By clicking on or navigating this site, you accept our use of cookies in accordance with our,Specialist Community Public Health Nursing,Brunel Partners Academic Centre for Health Sciences,College of Business, Arts and Social Sciences,College of Engineering, Design and Physical Sciences,College of Health, Medicine and Life Sciences. and you may need to create a new Wiley Online Library account.Enter your email address below and we will send you your username,If the address matches an existing account you will receive an email with instructions to retrieve your username,General location map showing locations of previous large earthquakes as well as teleseismic and tsunami stations used in this study. Geophysics,Geomagnetism Geophysics,Mathematical The devastating April 16, 2016, Pedernales, Ecuador, M w 7.8 earthquake was among a sequence of ruptures that occurred along the seismically segmented North Andean subduction zone. and Paleomagnetism,History of
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