Intraplate seismicity recorded by a local network in the Neuquén Basin, Argentina

Unrest at Domuyo Volcano, Argentina, Detected by Geophysical and Geodetic Data and Morphometric Analysis

“…We first applied an automatic detection algorithm based on short-term averages over long-term averages (STA/LTA), controlled by meticulous visual observations using a multitrace module to eliminate false positives and to identify the P-and S-wave arrivals. The seismic event locations were computed using HYPOCENTER [45,46] and by use of a one-dimensional velocity model composed of nine layers, developed for the area of interest by Correa-Otto et al [47]. A seismic event database was constructed from several continuous registers, showing a cluster of events located beneath the summit and western flank of the DVC.…”

Lower and Upper Plate Controls on Crustal Seismicity in the Southern Central and Patagonian Andes

“…Contrary to the NG, seismicity in this region is mostly concentrated in the interplate area, while within-plate seismicity has been scarcely reported (Figure 2). Minor within-plate seismicity in this region has been observed in the eastern Andean slope and the active orogenic front region (Correa-Otto et al, 2018;Lupari et al, 2015;Spagnotto, 2013), associated with mostly reverse neotectonic and deeply rooted structures in these regions resulting from ongoing Nazca-South American plate convergence (e.g., Branellec et al, 2016;Colavitto et al, 2019;Messager et al, 2010;Sagripanti et al, 2018).…”