By Rodrigo R. Alexa P. Cortez M. Jasmine L.. Location Illinois, Southwestern Indiana, Missouri,...

Wabash Valley Seismic zone

By Rodrigo R. Alexa P. Cortez M. Jasmine L.

Location Illinois, Southwestern Indiana, Missouri,

& Tennessee.

North American plates.

Evansville, Springfield, St. Louis, Memphis.

Divergent

Plates began to actively pull apart in Wabash Valley region.

Plates moving about 1-2 millimeters per year.

Features

Severe earthquakes

Could cause floods

Many cities would be affected.

2002- Magnitude 4.6◦ Evensville Indiana

Major Tectonic Events

2008- Magnitude 504

West salem, Illinois

6 hour aftershock

Residents should be warned and prepared for the after effects.

It is not known when it will strike.

7.3 earthquake

http://news.wustl.edu/news/Pages/11630.aspx

http://earthquake.usgs.gov/earthquakes/eqinthenews/2002/usfnbk/

http://web.archive.org/web/20080422001034/http://cusec.org/S_zones/Wabash/fact+sheet.htm

http://en.wikipedia.org/wiki/Wabash_Valley_Fault_System