diff --git a/src/main/java/gov/usgs/earthquake/nshmp/gmm/CombinedGmm.java b/src/main/java/gov/usgs/earthquake/nshmp/gmm/CombinedGmm.java
index c3e28807ba70526e16c06f034c5ccb2ea8baa3aa..b1e300473ec537dcba674fcd941fd6ff65182153 100644
--- a/src/main/java/gov/usgs/earthquake/nshmp/gmm/CombinedGmm.java
+++ b/src/main/java/gov/usgs/earthquake/nshmp/gmm/CombinedGmm.java
@@ -64,6 +64,12 @@ import static gov.usgs.earthquake.nshmp.gmm.Gmm.SILVA_02;
 import static gov.usgs.earthquake.nshmp.gmm.Gmm.SOMERVILLE_01;
 import static gov.usgs.earthquake.nshmp.gmm.Gmm.TORO_97_MW;
 import static gov.usgs.earthquake.nshmp.gmm.Gmm.TP_05;
+import static gov.usgs.earthquake.nshmp.gmm.Gmm.USGS_PRVI_ACTIVE_CRUST;
+import static gov.usgs.earthquake.nshmp.gmm.Gmm.USGS_PRVI_ACTIVE_CRUST_ADJUSTED;
+import static gov.usgs.earthquake.nshmp.gmm.Gmm.USGS_PRVI_INTERFACE;
+import static gov.usgs.earthquake.nshmp.gmm.Gmm.USGS_PRVI_INTERFACE_ADJUSTED;
+import static gov.usgs.earthquake.nshmp.gmm.Gmm.USGS_PRVI_INTRASLAB;
+import static gov.usgs.earthquake.nshmp.gmm.Gmm.USGS_PRVI_INTRASLAB_ADJUSTED;
 import static gov.usgs.earthquake.nshmp.gmm.Gmm.WONG_15;
 import static gov.usgs.earthquake.nshmp.gmm.Gmm.ZHAO_06_INTERFACE_BASIN;
 import static gov.usgs.earthquake.nshmp.gmm.Gmm.ZHAO_06_INTERFACE_BASIN_M9;
@@ -584,4 +590,52 @@ class CombinedGmm implements GroundMotionModel {
     }
   }
 
+  private static final Map<Gmm, Double> PRVI_ACTIVE_CRUST_2025 = Map.of(
+      USGS_PRVI_ACTIVE_CRUST, 0.5,
+      USGS_PRVI_ACTIVE_CRUST_ADJUSTED, 0.5);
+
+  /* 2.0 PRVI Active Crust */
+  static final class PrviActiveCrust2025 extends CombinedGmm {
+
+    static final String NAME = CombinedGmm.NAME + "PRVI Active Crust 2025 (2.0)";
+    static final Constraints CONSTRAINTS = UsgsPrviBackbone2025.ActiveCrust.CONSTRAINTS;
+    static final CoefficientContainer COEFFS = UsgsPrviBackbone2025.COEFFS_DATA_ADJUSTMENT;
+
+    PrviActiveCrust2025(Imt imt) {
+      super(imt, PRVI_ACTIVE_CRUST_2025);
+    }
+  }
+
+  private static final Map<Gmm, Double> PRVI_INTERFACE_2025 = Map.of(
+      USGS_PRVI_INTERFACE, 0.5,
+      USGS_PRVI_INTERFACE_ADJUSTED, 0.5);
+
+  /* 2.0 PRVI Active Crust */
+  static final class PrviInterface2025 extends CombinedGmm {
+
+    static final String NAME = CombinedGmm.NAME + "PRVI Interface 2025 (2.0)";
+    static final Constraints CONSTRAINTS = UsgsPrviBackbone2025.ActiveCrust.CONSTRAINTS;
+    static final CoefficientContainer COEFFS = UsgsPrviBackbone2025.COEFFS_DATA_ADJUSTMENT;
+
+    PrviInterface2025(Imt imt) {
+      super(imt, PRVI_INTERFACE_2025);
+    }
+  }
+
+  private static final Map<Gmm, Double> PRVI_INTRASLAB_2025 = Map.of(
+      USGS_PRVI_INTRASLAB, 0.5,
+      USGS_PRVI_INTRASLAB_ADJUSTED, 0.5);
+
+  /* 2.0 PRVI Active Crust */
+  static final class PrviIntraslab2025 extends CombinedGmm {
+
+    static final String NAME = CombinedGmm.NAME + "PRVI Intraslab 2025 (2.0)";
+    static final Constraints CONSTRAINTS = UsgsPrviBackbone2025.ActiveCrust.CONSTRAINTS;
+    static final CoefficientContainer COEFFS = UsgsPrviBackbone2025.COEFFS_DATA_ADJUSTMENT;
+
+    PrviIntraslab2025(Imt imt) {
+      super(imt, PRVI_INTRASLAB_2025);
+    }
+  }
+
 }
diff --git a/src/main/java/gov/usgs/earthquake/nshmp/gmm/Gmm.java b/src/main/java/gov/usgs/earthquake/nshmp/gmm/Gmm.java
index 4db06d842638af72e8943da905459429933a8a70..6cd35c634401c8fe5b7d3b970736ee18610d633c 100644
--- a/src/main/java/gov/usgs/earthquake/nshmp/gmm/Gmm.java
+++ b/src/main/java/gov/usgs/earthquake/nshmp/gmm/Gmm.java
@@ -1495,7 +1495,28 @@ public enum Gmm {
       CombinedGmm.AkIntraslab2023.class,
       CombinedGmm.AkIntraslab2023.NAME,
       CombinedGmm.AkIntraslab2023.COEFFS,
-      CombinedGmm.AkIntraslab2023.CONSTRAINTS);
+      CombinedGmm.AkIntraslab2023.CONSTRAINTS),
+
+  /** 2025 PRVI active crust weight-averaged GMM. */
+  COMBINED_PRVI_ACTIVE_CRUST_2025(
+      CombinedGmm.PrviActiveCrust2025.class,
+      CombinedGmm.PrviActiveCrust2025.NAME,
+      CombinedGmm.PrviActiveCrust2025.COEFFS,
+      CombinedGmm.PrviActiveCrust2025.CONSTRAINTS),
+
+  /** 2025 PRVI interface weight-averaged GMM. */
+  COMBINED_PRVI_INTERFACE_2025(
+      CombinedGmm.PrviInterface2025.class,
+      CombinedGmm.PrviInterface2025.NAME,
+      CombinedGmm.PrviInterface2025.COEFFS,
+      CombinedGmm.PrviInterface2025.CONSTRAINTS),
+
+  /** 2025 PRVI intraslab weight-averaged GMM. */
+  COMBINED_PRVI_INTRASLAB_2025(
+      CombinedGmm.PrviIntraslab2025.class,
+      CombinedGmm.PrviIntraslab2025.NAME,
+      CombinedGmm.PrviIntraslab2025.COEFFS,
+      CombinedGmm.PrviIntraslab2025.CONSTRAINTS);
 
   private final Class<? extends GroundMotionModel> delegate;
   private final String name;
@@ -1686,35 +1707,32 @@ public enum Gmm {
   public enum Group {
 
     PRVI_25_ACTIVE_CRUST(
-        "2025 PRVI Active Crust (BETA)",
+        "2025 PRVI Active Crust (beta)",
         List.of(
-            ASK_14,
-            BSSA_14,
-            CB_14,
-            CY_14,
-            MA_05_BASE,
-            MA_05,
-            GOMEZ_22_CRUSTAL)),
+            USGS_PRVI_ACTIVE_CRUST,
+            USGS_PRVI_ACTIVE_CRUST_ADJUSTED,
+            ASK_14_BASE,
+            BSSA_14_BASE,
+            CB_14_BASE,
+            CY_14_BASE)),
 
     PRVI_25_INTERFACE(
-        "2025 PRVI Interface (BETA)",
+        "2025 PRVI Interface (beta)",
         List.of(
+            USGS_PRVI_INTERFACE,
+            USGS_PRVI_INTERFACE_ADJUSTED,
             AG_20_GLOBAL_INTERFACE,
             KBCG_20_GLOBAL_INTERFACE,
-            PSBAH_20_GLOBAL_INTERFACE,
-            MA_05_BASE,
-            MA_05,
-            GOMEZ_22_NONCRUSTAL)),
+            PSBAH_20_GLOBAL_INTERFACE)),
 
     PRVI_25_SLAB(
-        "2025 PRVI Slab (BETA)",
+        "2025 PRVI Intraslab (beta)",
         List.of(
+            USGS_PRVI_INTRASLAB,
+            USGS_PRVI_INTRASLAB_ADJUSTED,
             AG_20_GLOBAL_SLAB,
             KBCG_20_GLOBAL_SLAB,
-            PSBAH_20_GLOBAL_SLAB,
-            MA_05_BASE,
-            MA_05,
-            GOMEZ_22_NONCRUSTAL)),
+            PSBAH_20_GLOBAL_SLAB)),
 
     CEUS_14_STABLE_CRUST(
         "2014 Stable Crust (CEUS)",
@@ -2019,7 +2037,8 @@ public enum Gmm {
             COMBINED_ACTIVE_CRUST_2023_LOS_ANGELES,
             COMBINED_ACTIVE_CRUST_2023_SAN_FRANCISCO,
             COMBINED_AK_ACTIVE_CRUST_2007,
-            COMBINED_AK_ACTIVE_CRUST_2023)),
+            COMBINED_AK_ACTIVE_CRUST_2023,
+            COMBINED_PRVI_ACTIVE_CRUST_2025)),
 
     COMBINED_STABLE_CRUST(
         "Combined Models (Stable Crust)",
@@ -2035,7 +2054,8 @@ public enum Gmm {
             COMBINED_INTERFACE_2023,
             COMBINED_INTERFACE_2023_SEATTLE,
             COMBINED_AK_INTERFACE_2007,
-            COMBINED_AK_INTERFACE_2023)),
+            COMBINED_AK_INTERFACE_2023,
+            COMBINED_PRVI_INTERFACE_2025)),
 
     COMBINED_SLAB(
         "Combined Models (Subduction Slab)",
@@ -2044,7 +2064,8 @@ public enum Gmm {
             COMBINED_INTRASLAB_2023,
             COMBINED_INTRASLAB_2023_SEATTLE,
             COMBINED_AK_INTRASLAB_2007,
-            COMBINED_AK_INTRASLAB_2023)),
+            COMBINED_AK_INTRASLAB_2023,
+            COMBINED_PRVI_INTRASLAB_2025)),
 
     NGA_EAST(
         "NGA-East Logic Trees",
diff --git a/src/main/java/gov/usgs/earthquake/nshmp/gmm/UsgsPrviBackbone2025.java b/src/main/java/gov/usgs/earthquake/nshmp/gmm/UsgsPrviBackbone2025.java
index c9a4852048035de5ddd8e8c27efe2b1c5df5f9d5..1b56ef63802bf3128f8513e4ca177574e54fc69e 100644
--- a/src/main/java/gov/usgs/earthquake/nshmp/gmm/UsgsPrviBackbone2025.java
+++ b/src/main/java/gov/usgs/earthquake/nshmp/gmm/UsgsPrviBackbone2025.java
@@ -62,8 +62,8 @@ public abstract class UsgsPrviBackbone2025 implements GroundMotionModel {
   // private final double SUBDUCTION_INTERFACE_MEAN_ADJUSTMENT = -1.098;
   // private final double SUBDUCTION_INTRASLAB_MEAN_ADJUSTMENT = -0.405;
 
-  public static final String SIGMA_REF_ID = "σ-ref";
-  public static final String SIGMA_PRVI_ID = "σ-prvi";
+  public static final String SIGMA_REF_ID = "σ-model1";
+  public static final String SIGMA_PRVI_ID = "σ-model2";
   private static final String[] SIGMA_IDS = { SIGMA_REF_ID, SIGMA_PRVI_ID };
   private static final double[] SIGMA_WTS = { 0.5, 0.5 };