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 d98f32821b59ef64acdfab89683cae1e9643a2fe..6f0160b18205a1f3db1280787dfd78be3540bf4b 100644
--- a/src/main/java/gov/usgs/earthquake/nshmp/gmm/CombinedGmm.java
+++ b/src/main/java/gov/usgs/earthquake/nshmp/gmm/CombinedGmm.java
@@ -269,7 +269,7 @@ class CombinedGmm implements GroundMotionModel {
static final String NAME = CombinedGmm.NAME + "Active Crust 2014 (4.1)";
static final Constraints CONSTRAINTS = CampbellBozorgnia_2014.CONSTRAINTS;
- static final CoefficientContainer COEFFS = CampbellBozorgnia_2014.COEFFS;
+ static final CoefficientContainer COEFFS = Idriss_2014.COEFFS;
ActiveCrust2014_4p1(Imt imt) {
super(imt, ACTIVE_CRUST_2014_4P1);
diff --git a/src/main/resources/gmm/coeffs/Idriss14.csv b/src/main/resources/gmm/coeffs/Idriss14.csv
index 92b4bae7a08d4e94a26ca1104639d2395e6951b8..2f22a5ae207336c9819f58f13b9a0e1041ae1d5f 100644
--- a/src/main/resources/gmm/coeffs/Idriss14.csv
+++ b/src/main/resources/gmm/coeffs/Idriss14.csv
@@ -1,23 +1,23 @@
-T,a1_lo,a2_lo,b1_lo,b2_lo,a1_hi,a2_hi,b1_hi,b2_hi,a3,xi,gamma,phi
-0.01,7.0887,0.2058,2.9935,-0.2287,9.0138,-0.0794,2.9935,-0.2287,0.0589,-0.854,-0.0027,0.08
-0.02,7.1157,0.2058,2.9935,-0.2287,9.0408,-0.0794,2.9935,-0.2287,0.0589,-0.854,-0.0027,0.08
-0.03,7.2087,0.2058,2.9935,-0.2287,9.1338,-0.0794,2.9935,-0.2287,0.0589,-0.854,-0.0027,0.08
-0.05,6.2638,0.0625,2.8664,-0.2418,7.9837,-0.1923,2.7995,-0.2319,0.0417,-0.631,-0.0061,0.08
-0.075,5.9051,0.1128,2.9406,-0.2513,7.756,-0.1614,2.8143,-0.2326,0.0527,-0.591,-0.0056,0.08
-0.1,7.5791,0.0848,3.019,-0.2516,9.4252,-0.1887,2.8131,-0.2211,0.0442,-0.757,-0.0042,0.08
-0.15,8.019,0.1713,2.7871,-0.2236,9.6242,-0.0665,2.4091,-0.1676,0.0329,-0.911,-0.0046,0.08
-0.2,9.2812,0.1041,2.8611,-0.2229,11.13,-0.1698,2.4938,-0.1685,0.0188,-0.998,-0.003,0.08
-0.25,9.5804,0.0875,2.8289,-0.22,11.3629,-0.1766,2.3773,-0.1531,0.0095,-1.042,-0.0028,0.08
-0.3,9.8912,0.0003,2.8423,-0.2284,11.7818,-0.2798,2.3772,-0.1595,-0.0039,-1.03,-0.0029,0.08
-0.4,9.5342,0.0027,2.83,-0.2318,11.6097,-0.3048,2.3413,-0.1594,-0.0133,-1.019,-0.0028,0.08
-0.5,9.2142,0.0399,2.856,-0.2337,11.4484,-0.2911,2.3477,-0.1584,-0.0224,-1.023,-0.0021,0.08
-0.75,8.3517,0.0689,2.7544,-0.2392,10.9065,-0.3097,2.2042,-0.1577,-0.0267,-1.056,-0.0029,0.08
-1,7.0453,0.16,2.7339,-0.2398,9.8565,-0.2565,2.1493,-0.1532,-0.0198,-1.009,-0.0032,0.06
-1.5,5.1307,0.2429,2.68,-0.2417,8.3363,-0.232,2.0408,-0.147,-0.0367,-0.898,-0.0033,0.04
-2,3.361,0.3966,2.6837,-0.245,6.8656,-0.1226,2.0013,-0.1439,-0.0291,-0.851,-0.0032,0.02
-3,0.1784,0.756,2.6907,-0.2389,4.1178,0.1724,1.9408,-0.1278,-0.0214,-0.761,-0.0031,0.02
-4,-2.4301,0.9283,2.5782,-0.2514,1.8102,0.3001,1.7763,-0.1326,-0.024,-0.675,-0.0051,0
-5,-4.357,1.1209,2.5468,-0.2541,0.0977,0.4609,1.703,-0.1291,-0.0202,-0.629,-0.0059,0
-7.5,-7.8275,1.4016,2.4478,-0.2593,-3.0563,0.6948,1.5212,-0.122,-0.0219,-0.531,-0.0057,0
-10,-9.2857,1.5574,2.3922,-0.2586,-4.4387,0.8393,1.4195,-0.1145,-0.0035,-0.586,-0.0061,0
-PGA,7.0887,0.2058,2.9935,-0.2287,9.0138,-0.0794,2.9935,-0.2287,0.0589,-0.854,-0.0027,0.08
+T, a1_lo, a2_lo, b1_lo, b2_lo, a1_hi, a2_hi, b1_hi, b2_hi, a3, xi, gamma, phi
+0.01, 7.0887, 0.2058, 2.9935, -0.2287, 9.0138, -0.0794, 2.9935, -0.2287, 0.0589, -0.854, -0.0027, 0.08
+0.02, 7.1157, 0.2058, 2.9935, -0.2287, 9.0408, -0.0794, 2.9935, -0.2287, 0.0589, -0.854, -0.0027, 0.08
+0.03, 7.2087, 0.2058, 2.9935, -0.2287, 9.1338, -0.0794, 2.9935, -0.2287, 0.0589, -0.854, -0.0027, 0.08
+0.05, 6.2638, 0.0625, 2.8664, -0.2418, 7.9837, -0.1923, 2.7995, -0.2319, 0.0417, -0.631, -0.0061, 0.08
+0.075, 5.9051, 0.1128, 2.9406, -0.2513, 7.7560, -0.1614, 2.8143, -0.2326, 0.0527, -0.591, -0.0056, 0.08
+0.1, 7.5791, 0.0848, 3.0190, -0.2516, 9.4252, -0.1887, 2.8131, -0.2211, 0.0442, -0.757, -0.0042, 0.08
+0.15, 8.0190, 0.1713, 2.7871, -0.2236, 9.6242, -0.0665, 2.4091, -0.1676, 0.0329, -0.911, -0.0046, 0.08
+0.2, 9.2812, 0.1041, 2.8611, -0.2229, 11.1300, -0.1698, 2.4938, -0.1685, 0.0188, -0.998, -0.0030, 0.08
+0.25, 9.5804, 0.0875, 2.8289, -0.2200, 11.3629, -0.1766, 2.3773, -0.1531, 0.0095, -1.042, -0.0028, 0.08
+0.3, 9.8912, 0.0003, 2.8423, -0.2284, 11.7818, -0.2798, 2.3772, -0.1595, -0.0039, -1.030, -0.0029, 0.08
+0.4, 9.5342, 0.0027, 2.8300, -0.2318, 11.6097, -0.3048, 2.3413, -0.1594, -0.0133, -1.019, -0.0028, 0.08
+0.5, 9.2142, 0.0399, 2.8560, -0.2337, 11.4484, -0.2911, 2.3477, -0.1584, -0.0224, -1.023, -0.0021, 0.08
+0.75, 8.3517, 0.0689, 2.7544, -0.2392, 10.9065, -0.3097, 2.2042, -0.1577, -0.0267, -1.056, -0.0029, 0.08
+1, 7.0453, 0.1600, 2.7339, -0.2398, 9.8565, -0.2565, 2.1493, -0.1532, -0.0198, -1.009, -0.0032, 0.06
+1.5, 5.1307, 0.2429, 2.6800, -0.2417, 8.3363, -0.2320, 2.0408, -0.1470, -0.0367, -0.898, -0.0033, 0.04
+2, 3.3610, 0.3966, 2.6837, -0.2450, 6.8656, -0.1226, 2.0013, -0.1439, -0.0291, -0.851, -0.0032, 0.02
+3, 0.1784, 0.7560, 2.6907, -0.2389, 4.1178, 0.1724, 1.9408, -0.1278, -0.0214, -0.761, -0.0031, 0.02
+4, -2.4301, 0.9283, 2.5782, -0.2514, 1.8102, 0.3001, 1.7763, -0.1326, -0.0240, -0.675, -0.0051, 0
+5, -4.3570, 1.1209, 2.5468, -0.2541, 0.0977, 0.4609, 1.7030, -0.1291, -0.0202, -0.629, -0.0059, 0
+7.5, -7.8275, 1.4016, 2.4478, -0.2593, -3.0563, 0.6948, 1.5212, -0.1220, -0.0219, -0.531, -0.0057, 0
+10, -9.2857, 1.5574, 2.3922, -0.2586, -4.4387, 0.8393, 1.4195, -0.1145, -0.0035, -0.586, -0.0061, 0
+PGA, 7.0887, 0.2058, 2.9935, -0.2287, 9.0138, -0.0794, 2.9935, -0.2287, 0.0589, -0.854, -0.0027, 0.08