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These plots demonstrate that the hazard computed from a suite of inversion solutions (using the same logic-tree branch) with varying inversion equations set weights is within range of the hazard spanned by the entire UCERF3 logic tree.
| Name | Last modified | Size | Description |
|---|---|---|---|---|
| Parent Directory | - | ||
| EqnSetWt_1Hz.pdf | 16-May-2013 09:35 | 1.4M | |
| EqnSetWt_4Sec.pdf | 16-May-2013 09:36 | 1.4M | |
| EqnSetWt_5Hz.pdf | 16-May-2013 09:36 | 1.4M | |
| EqnSetWt_PGA.pdf | 16-May-2013 09:37 | 1.4M | |
The PDF's in this directory are collections of plots showing hazard curves at various CA sites. The curves are presented as Annual Frequency of Exceedance vs. Ground Motion (g). The 2% in 50 year and 10% in 50 year recurrence rates are marked for reference (grey lines).
For these tests, the UCERF3 'reference' branch was used when varying inversion equation set weights [FM3.1, ZENGBB, Shaw09Mod, DsrTap, M5Rate8.7, MMaxOff7.6, SpatSeisU3]. The reference logic tree curves were computed from the full UCERF3 logic tree (1440 branches).
Legend:DARK BLUE: weighted mean of 1440 logic-tree branches (10 inversion solutions per branch).
LIGHT BLUE: polygon showing minimum and maximum hazard for the 1440 branches.
RED: mean (solid) and minimum and maximum (dashed) hazard for the UCERF3 'reference' branch solutions with varying equation set weights (11 solutions total).