Merge pull request #10300 from gem/k20_req_sites

fix k20 NZL variant req site param bug
gem · Jan 31, 2025 · 410a3c1 · 410a3c1
2 parents a27fa6e + bf2f329
commit 410a3c1
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/openquake/hazardlib/gsim/kuehn_2020.py b/openquake/hazardlib/gsim/kuehn_2020.py
@@ -744,7 +744,7 @@ def __init__(self, region="GLO", m_b=None, m9_basin_term=None,
         elif self.region in ("NZL", "TWN"):
             # If region is NZL or TWN then the GMPE needs Z1.0
             self.REQUIRES_SITES_PARAMETERS |= {"z1pt0"}
-
+            
         self.m9_basin_term = m9_basin_term
         self.usgs_basin_scaling = usgs_basin_scaling
         # USGS basin scaling and M9 basin term is only

diff --git a/openquake/hazardlib/gsim/nz22/nz_nshm2022_kuehn_2020.py b/openquake/hazardlib/gsim/nz22/nz_nshm2022_kuehn_2020.py
@@ -211,6 +211,9 @@ def __init__(
         super().__init__(region=region, m_b=m_b, sigma_mu_epsilon=sigma_mu_epsilon)
         self.modified_sigma = modified_sigma
 
+        # Add backarc to req sites 
+        self.REQUIRES_SITES_PARAMETERS |= {"backarc"}
+
         # reset override of REQUIRES_SITES_PARAMETERS done by super
         if self.region in ("NZL"):
             self.REQUIRES_SITES_PARAMETERS = \