diff --git a/src/aashto/src/main/java/gov/usgs/earthquake/nshmp/netcdf/reader/BoundingReaderGroundMotions.java b/src/aashto/src/main/java/gov/usgs/earthquake/nshmp/netcdf/reader/BoundingReaderGroundMotions.java
index 7bc3056d2f5380dc53d8e27482c893f1161811de..3ae3faa722fe7f7b3733d3d63f0f80b64e129298 100644
--- a/src/aashto/src/main/java/gov/usgs/earthquake/nshmp/netcdf/reader/BoundingReaderGroundMotions.java
+++ b/src/aashto/src/main/java/gov/usgs/earthquake/nshmp/netcdf/reader/BoundingReaderGroundMotions.java
@@ -26,7 +26,7 @@ import ucar.nc2.dataset.NetcdfDatasets;
  */
 public class BoundingReaderGroundMotions extends BoundingReader<XySequence> {
 
-  public static final double PGA_VALUE = 0.001;
+  public static final double PGA_VALUE = 0.0;
   public static final double PGV_VALUE = 0.0001;
 
   public BoundingReaderGroundMotions(NetcdfGroundMotions netcdf, Location site) {