Fond du Lac, WI doesn't have earthquakes.
But Stillwater, OK does! Maybe Mercury Marine
should check the ground first.
Stillwater is also in an earthquake hazard area.
The prediction is every 50 years or so a hefty
one will hit. This 3.6 looks like the start
of one building.

links:

http://earthquake.usgs.gov/eqcenter/recenteqs...
59 North of Oklahoma City and North-NorthWest of Stillwater

3.6
Date-Time

* Friday, June 26, 2009 at 21:23:14 UTC
* Friday, June 26, 2009 at 04:23:14 PM at epicenter
* Time of Earthquake in other Time Zones

Location 36.332°N, 97.469°W
Depth 5 km (3.1 miles) set by location program
Region OKLAHOMA
Distances

* 11 km (7 miles) ENE (76°) from Covington, OK
* 15 km (10 miles) SE (139°) from Garber, OK
* 17 km (10 miles) WNW (286°) from Perry, OK
* 38 km (23 miles) ESE (102°) from Enid, OK
* 95 km (59 miles) N (4°) from Oklahoma City, OK
* 398 km (247 miles) N (351°) from Dallas, TX

Location Uncertainty horizontal +/- 8.5 km (5.3 miles); depth fixed by location program
Parameters NST= 15, Nph= 15, Dmin=123.4 km, Rmss=1.09 sec, Gp= 76°,
M-type="Nuttli" surface wave magnitude (mbLg), Version=8
Source

* USGS NEIC (WDCS-D)

Event ID us2009iibt

* This event has been reviewed by a seismologist.
++++++++++
map of this:
http://earthquake.usgs.gov/eqcenter/recenteqs...

++++++++++
http://earthquake.usgs.gov/regional/states/in...

Oklahoma Earthquake Information