2016
DOI: 10.1016/j.jsames.2015.12.001
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Waveform inversion and focal mechanisms of two weak earthquakes in Cordillera Principal (Argentina) between 35° and 35.5° S

Abstract: Only few (six) focal mechanism, in CMT Catalog, have been so far known for intraplate shallow events in the Andean chain close to Chile-Argentina state border at latitudes ~35° S. We add two more mechanisms, depths and moment magnitudes by carefully analyzing full waveforms of weak events recorded by broad-band stations of the Chile Argentina Geophysical Experiment (southern profile). The moment magnitudes of both events (Mw = 3.6 and 3.7) are lower than the duration magnitudes (Md = 4.0 and 4.29)reported by N… Show more

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Cited by 10 publications
(2 citation statements)
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“…Examples of full waveform analysis are reported in Hicks et al (2000) as well as Villegas A. et al (2016). Efforts made to improve these analyses include work by Sokos and Zahradnik (2008) on the ISOLA software package, which can perform multi-source inversions in addition to the typical single source inversions.…”
Section: Accepted Articlementioning
confidence: 99%
See 1 more Smart Citation
“…Examples of full waveform analysis are reported in Hicks et al (2000) as well as Villegas A. et al (2016). Efforts made to improve these analyses include work by Sokos and Zahradnik (2008) on the ISOLA software package, which can perform multi-source inversions in addition to the typical single source inversions.…”
Section: Accepted Articlementioning
confidence: 99%
“…If the number of seismic stations is too low to use first-motion polarities a full waveform analysis can be performed to provide constraints on the focal mechanism. Examples of full waveform analysis are reported in Hicks et al (2000) as well as Villegas et al (2016). Efforts made to improve these analyses include work by Sokos and Zahradnik (2008) on the ISOLA software package, which can perform multi-source inversions in addition to the typical single source inversions.…”
mentioning
confidence: 99%