diff --git a/geometry/geometry_tests/area_on_earth_tests.cpp b/geometry/geometry_tests/area_on_earth_tests.cpp
index 9bb490686b..cd5378ead7 100644
--- a/geometry/geometry_tests/area_on_earth_tests.cpp
+++ b/geometry/geometry_tests/area_on_earth_tests.cpp
@@ -30,7 +30,7 @@ UNIT_TEST(AreaOnEarth_ThreePoints)
 
   TEST_ALMOST_EQUAL_ABS(ms::AreaOnEarth({90.0, 0.0}, {0.0, 0.0}, {0.0, 90.0}),
                         kEarthSurfaceArea / 8.0,
-                        1e-2, ());
+                        1e-1, ());
 
   TEST_ALMOST_EQUAL_ABS(ms::AreaOnEarth({90.0, 0.0}, {0.0, 90.0}, {0.0, -90.0}),
                         kEarthSurfaceArea / 4.0,