Magnitude 3.4 struck 9km N of Fairfield, Illinois.
Time: 2015-05-30 00:41:14 (UTC)
8km (5mi) N of Fairfield, Illinois
50km (31mi) ENE of Mount Vernon, Illinois
68km (42mi) E of Centralia, Illinois
75km (47mi) SSE of Effingham, Illinois
186km (116mi) SE of Springfield, Illinois
A 5.4 magnitude earthquake rocked the area was back in 1968 and damaged buildings. It is the largest recorded historical earthquake in the region.
So far no damage has been reported with this tumbler.