diff --git a/stable-crust/fault/CO/Cheraw/usgs/rupture-set.json b/stable-crust/fault/CO/Cheraw/usgs/rupture-set.json
index a0df101ba343cb4b8f8ddde6ed0eb97114a45e3a..e55bf2546514a80a86611a279e831c2cb55c1fb4 100644
--- a/stable-crust/fault/CO/Cheraw/usgs/rupture-set.json
+++ b/stable-crust/fault/CO/Cheraw/usgs/rupture-set.json
@@ -8,7 +8,7 @@
       "value": {
         "type": "SINGLE",
         "m": 7.0,
-        "rate": 0.000176
+        "rate": 0.00020419
       }
     },
     {
@@ -16,7 +16,7 @@
       "weight": 0.5,
       "value": {
         "type": "GR",
-        "a": 2.2357,
+        "a": 2.39162,
         "b": 0.95,
         "mMin": 6.5,
         "mMax": 7.0,