... solution from seismic data. With MSATSI, the user can explicitly specify the probability that each input fault plane is believed to be the real one. This is useful, for example, if the input fault planes come from direct geologic measurements (in this case F =1). The number of iterations for the bootstrap...

... mechanism catalog and now report the lower quality C and D focal mechanisms that were previously discarded by Rubinstein et al. (2018) . We use all 668 resulting focal mechanisms to invert for the orientations of the horizontal stresses using the MSATSI program (Martínez‐Garzón et al. , 2014...

... axes for the premainshock period (2009–2013), derived from 2000 bootstrap resamplings using the MSATSI software ( Martinez-Garzon et al. , 2014 ), match the assumed principal stress in (a); is the stress ratio defined as ( σ 2 − σ 3 )/( σ 1 − σ 3 ) ( Angelier, 1984 ). (Only 12 mechanisms...

... tensor centroid depths to the hypocentral depths reported in the YEA catalog and compare the faulting styles with the regional tectonic framework. We also invert our new moment tensor catalog for a model of the regional stress field using the MATLAB Spatial And Temporal Stress Inversion (MSATSI) package...

...Figure 6. Results of stress inversion for 14 grade A and B focal mechanisms using MSATSI code ( Martínez‐Garzón et al. , 2014 ) after 2000 bootstrap iterations, plotted on a stereonet projection (0 is to the north). σ 1 , maximum compressive stress; σ 3 , least compressive stress.The color...

.... , 2007 ). In addition, we divided the focal mechanisms based on their spatial distribution in two groups, one group to the north‐northwest and another to the southeast of the Troll field, and then performed focal mechanism stress inversion using the MSATSI program of Martinez‐Garzon et al. (2014...

... ) from the focal mechanism data. All focal mechanisms used here were waveform inversion solutions computed by the Computer Programs in Seismology method ( Zhu et al. , 2017 ) or collected from the Global Centroid Moment Tensor database spanning the last 40 yr. We used the MSATSI software package...

..., ground fissuring, and sand blows at many locations. However, unambiguous evidence of surface faulting was not observed and the nature of the fault responsible for this important earthquake remains a matter of debate. 31 December 2015 We performed a stress inversion using the MSATSI...

... for regional tectonic evolution , Geophys. J. Int. 226 , no.  3 , 1873 – 1884 , doi: 10.1093/gji/ggab122 . Martínez‐Garzón P. Kwiatek G. Ickrath M. , and Bohnhoff M. 2014 . MSATSI: A MATLAB package for stress inversion combining solid classic methodology, a new simplified user...

... and is overlain by using Matlab‐based Spatial and Temporal Stress Inversion software pacakge (MSATSI) stress inversion with bootstraps for 128 M w  3.0+ moment tensors shown in the map (P axis is red, T axis is blue, and null axis is green). The color version of this figure is available only...

... using the focal mechanisms. The data were split into different depth intervals to study potential depth variations of the local stress regime throughout the aftershock sequence. The package MSATSI ( Martínez‐Garzón et al. , 2014 ) used in this study is based on the stress inversion algorithm SATSI...

... with the largest seismicity rates (in the northwest and in the southwest; Fig.  4b ). From the A and B quality focal mechanisms, we compute the local stress field using MSATSI ( Martínez‐Garzón et al. , 2014 ), which iteratively inverts for the stress field based on SATSI ( Hardebeck and Michael, 2006...

... , no.  12 , 8666 – 8687 . Martínez‐Garzón P. Kwiatek G. Ickrath M. , and Bohnhoff M. 2014 . MSATSI: A MATLAB package for stress inversion combining solid classic methodology, a new simplified user‐handling, and a visualization tool , Seismol. Res. Lett. 85 , no.  4 , 896 – 904...

... , 8666 – 8687 . Martinez‐Garzon P. Kwiatek G. Ickrath M. , and Bohnhoff M. 2014 . MSATSI: A MATLAB package for stress inversion combining solid classic methodology, a new simplified user‐handling, and a visualization tool , Seismol. Res. Lett. 85 , 896 – 904 . Michael...