Ride the Fault is more than a bicycle tour-more than just cycling! Even recently with the 7.0 earthquake in Haiti, Haiti sits close to the Carribean fault line. Visit Illinois, Missouri, Tennessee, and Kentucky in just seven days. The Denali Fault System. The structure is herein named the Uptons Cave Syncline after Uptons Cave, which is located just east of the Mississippi River, in the northeast corner of Sec. From Cairo, Illinois down through New Madrid, Missouri and then on into Arkansas. There is an interactive map application to view the faults online and a seperate database search function. This is what caused the Earthquake. The fault line in Eastern Iowa is called the Plum River Fault line named after the Plum River By Savanna IL. Starting on the Susitna Glacier Thrust Fault, the rupture raced along the Denali Fault System and continued 220 kilometers until it reached the Totschunda Fault, rattling 70 more kilometers. It crosses five state lines and cuts across the Mississippi River in three places and the Ohio River in two places. Unique Midwestern bicycle tour adventure through portions of four mid-Mississippi valley states along the New Madrid earthquake fault line. And there is worse news yet, the fault line offers up extremely shallow earthquakes. 5. And preppers, it is most certainly a serious and dangerous situation. If we’re talking sheer magnitude, the largest recorded earthquake on North American soil hit Alaska on November 3, 2002. The New Madrid Seismic zone stretches for 150 miles into five states. On Dec. 16, 1811, a magnitude 7.7 earthquake hit the New Madrid fault line, which lies on the border region of Illinois, Indiana, Missouri, Arkansas, Kentucky, Tennessee and Mississippi. KML (Google Earth-type) files and GIS shape files are also available for download from the site. Uptons Cave Syncline North of the Plum River Fault Zone, near Savanna, Illinois, is a broad shallow syncline that extends east-west, parallel to the fault zone-. The New Madrid Fault System extends 120 Miles southward from the area of Charleston, Missouri, and Cairo, Illinois, through New Madrid and Caruthersville, following Interstate 55 to Blytheville and on down to Marked Tree, Arkansas. An online map of United States Quaternary faults (faults that have been active in the last 1.6 million years) is available via the Quaternary Fault and Fold Database. It’s by far the largest earthquake ever to strike the United States east of the Rockies. It also extends into parts of Tennessee. The line runs from South of Cedar Rapids to Rockford IL.