Modified Mercalli earthquake intensity scale

Online news article about the New Madrid Seismic Zone.

Record of New Madrid earthquake activity, 1975 to 1995.

U.S. Census Bureau Tiger mapping (generate your own maps online

Review of "On Shaky Ground: The New Madrid Earthquakes of 1811-1812

Center for Earthquake Research and Information.

Facts about the New Madrid Fault System.

What is Richter magnitude?

Tornado season strikes!

Paducah, KY weather

Tornado Alley homepage

Illinois ecosystems information

The Epicenter: Emergency Perparedness Information Center

ISU Report on disasters

The "Big One" in the Midwest

The Center for Earthquake Research and Information at The University of Memphis

The New Madrid Fault System (from CERI)

Iowa Perspective On Midwestern Earthquakes

St. Louis Science Center's online display about midwestern earthquakes

Information about crime in Illinois

The Great Earthquake At New Madrid

Six Flags Homepage

MapQuest

St. Louis University Earthquake Center

Statistics about tornadoes

Information about Shawnee National Forest in southern Illinois.

The Tornado Page

Geological cross-section of Gaseous Diffusion Plant area near Paducah, KY.

Groundwater contamination map of the Paducah Gaseous Diffusion Plant area on the Ohio River.

Probability of future earthquakes in Paducah area and a description of theirearthquake plans.

Great site documenting the April 19, 1996 outbreak of 30 tornadoes across Illinois.

Weather records for various Illinois cities.

US Census Bureau map making site (create your own maps).

Environmental Protection Agency web site.

Wetlands Science Institute.

Threatened or endangered Illinois wetland species.

Center for Earthquake Research and Information.

Photos of disasters.

Online news article about the New Madrid Seismic Zone.

Twisters: In Tornado Alley, Knowledge Saves Lives (Chicago Tribune article with videos).

Information about tornado safety

Satellite images if the 1996 flood

Unsafe nuclear facility identified near Paducah, KY