From: Earthquake focal mechanisms and stress orientations in the eastern Swiss Alps
Tectonic domain | S1 trend/plunge | S2 trend/plunge | S3 trend/plunge | Phi | Beta | Faulting style | Nr. of events |
---|---|---|---|---|---|---|---|
Penninic | 327/73 | 129/17 | 221/5 | 0.73 ± 0.08 | 15 ± 10 | Normal | 16 |
Helvetic | 320/2 | 224/71 | 51/19 | 0.31 ± 0.08 | 21 ± 16 | Strike slip | 28 |
W-Helvetic | 311/3 | 214/68 | 42/22 | 0.28 ± 0.11 | 24 ± 18 | Strike slip | 17 |
E-Helvetic | 325/10 | 233/77 | 55/13 | 0.34 ± 0.13 | 11 ± 8 | Strike slip | 11 |