diff --git a/active-crust/grid/compressional/mfd-map.json b/active-crust/grid/compressional/mfd-map.json
index 62cde4efa437832589d64c44ab6190e4644b2cf8..a9de88d6781716806ecf7f9f8dc5088644649ec4 100644
--- a/active-crust/grid/compressional/mfd-map.json
+++ b/active-crust/grid/compressional/mfd-map.json
@@ -30,7 +30,7 @@
         "b": 0.8,
         "Δm": 0.1,
         "mMin": 5.0,
-        "mMax": 7.5,
+        "mMax": 8.0,
         "mc": 7.5
       }
     }
diff --git a/active-crust/grid/extensional/mfd-map.json b/active-crust/grid/extensional/mfd-map.json
index cf091a2e8d3335e218d68e31dc8633dfa1030e31..131281461a4efb072e5b7863f0063d1df70fedf7 100644
--- a/active-crust/grid/extensional/mfd-map.json
+++ b/active-crust/grid/extensional/mfd-map.json
@@ -30,7 +30,7 @@
         "b": 0.8,
         "Δm": 0.1,
         "mMin": 5.0,
-        "mMax": 7.5,
+        "mMax": 8.0,
         "mc": 7.5
       }
     }