Earthquake affects Missouri wells

For those of us in Missouri who have wells and are dependent on them for our source of water, I thought this article was rather interesting:

JEFFERSON CITY (AP) - The earthquake that triggered deadly tsunamis in south Asia and eastern Africa caused ripples in underground water as far away as Missouri.

Shock waves from the 9.0 magnitude earthquake in the Indian Ocean caused fluctuations in Missouri groundwater levels tracked by a network of monitoring wells, the state Department of Natural Resources said yesterday.
...
Although the underground water fluctuations posed no problems in Missouri, they provided evidence of how large earthquakes can be tracked around the world, the department said.

Source.