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Commit e26fff48 authored by Powers, Peter M.'s avatar Powers, Peter M.
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updated Crowley readmes

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1 merge request!120CEUS zone rate corrections
......@@ -6,18 +6,22 @@ The Crowley's Ridge (South) source zone was introduced for the 2023 Conterminous
The source zone was defined by Jessica Thompson Jobe, based on recent work by
Thompson Jobe et al. (2020).
The zone is modeled with vertical strike-slip faults parallel to the southwest/northeast axis of the
zone polygon (i.e., strike = 5 degrees).
The zone is modeled with vertical strike-slip faults parallel to the southwest/northeast
axis of the zone polygon (i.e., strike = 5 degrees).
The Mmax distribution was informed by Thompson Jobe et al. (2020).
The total rate in the zone was based on estimated slip rates from Thompson Jobe et al. (2020).
|Weight| Rate |
|:----:|:--------:|
| 0.25 | 2.12E-04 |
| 0.25 | 8.94E-05 |
| 0.25 | 3.77E-05 |
| 0.25 | 1.59E-05 |
| Magnitude |Weight| Rate |
|:---------:|:----:|:--------:|
| 6.60 | 0.25 | 2.12E-04 |
| 6.85 | 0.25 | 8.94E-05 |
| 7.10 | 0.25 | 3.77E-05 |
| 7.35 | 0.25 | 1.59E-05 |
For the 2023 NSHM, we give this source a weight of 0.5.
For the zone rate, we use the weighted average of the above rates for all magnitudes.
In the 2023 NSHM, we assign this source a weight of 0.5 with the `null` branch of the
logic tree representing the possibility that nothing happens. The rates in this zone
are not scaled with latitude.
......@@ -13,10 +13,14 @@ The Mmax distribution was informed by Thompson Jobe et al. (2020).
The total rate in the zone was based on estimated slip rates from Thompson Jobe et al. (2020).
|Weight| Rate |
|:----:|:--------:|
| 0.33 | 2.03E-04 |
| 0.34 | 8.55E-05 |
| 0.33 | 3.60E-05 |
| Magnitude |Weight| Rate |
|:---------:|:----:|:--------:|
| 6.45 | 0.33 | 2.03E-04 |
| 6.70 | 0.34 | 8.55E-05 |
| 7.97 | 0.33 | 3.60E-05 |
For the 2023 NSHM, we give this source a weight of 0.5.
For the zone rate, we use the weighted average of the above rates for all magnitudes.
In the 2023 NSHM, we assign this source a weight of 0.5 with the `null` branch of the
logic tree representing the possibility that nothing happens. The rates in this zone
are not scaled with latitude.
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