wabash valley seismic zone

It is southwest of the Wabash Valley Seismic Zone. Others should contact the interlibrary loan department of your local library or contact ProQuest's Dissertation Express service. Since the discovery of this seismic zone, earthquake awareness and preparedness have increased. About | Theses This suggests that other sources of seismicity exist. Home | Deformation of the land surface directly over a fault that moves may manifest as very localized uplift or subsidence, or lateral distortions of up to several meters (for a very large earthquake). Earthquake activity in the Wabash Seismic Zone has a history of affecting the St. Charles and the St. Louis metropolitan area and its residents. These earthquakes likely occur on faults associated with the anticline. Graduate School The La Salle anticline creates up to a 750 meter uplift in the above Paleozoic strata. > Analyzing the seismicity of the region over a 6-month period found 834 events. ETD >

Wabash Valley Seismic Zone - relation to New Madrid Seismic Zone Left image: Indiana quakes Right: Illinois Basin (has lots of shale oil potential) 1800-1995 quakes - click map for Indiana Geological Survey site. Home This uplift creates faults within the Paleozoic strata and within the La Salle anticline. But the New Madrid Seismic Zone, a 150 miles long fault line crossing five states – Illinois, Missouri, Arkansas, Kentucky, Tennessee is also long overdue. This study uses seismometers arranged in a phased array near the southern terminus of the La Salle anticline to analyze the seismicity of the region. The majority of Wabash Valley faults originate near the junction of the Rough Creek and Cottage Grove faults and extend northeastward along the Wabash River.

The vast majority were determined to be mine blasts or otherwise human induced. Current SIUC affiliates may also access this paper off campus by searching Dissertations & Theses @ Southern Illinois University Carbondale from ProQuest. The Wabash Valley Seismic Zone (WVSZ) has produced three moderate sized earthquakes greater than or equal to mb 5.0 in the past 50 years. The Wabash Valley Seismic Zone is located in Southeastern Illinois and Southwestern Indiana and it is capable of producing 'New Madrid' size earthquake events. The Wabash Valley Seismic Zone (WVSZ) has produced three moderate sized earthquakes greater than or equal to mb 5.0 in the past 50 years. This is lower than the typical value of 1, but consistent with other intraplate regions and previous studies of the WVSZ finding values nearer 0.7. These faults extend through the Paleozoic and into the Precambrian and are believe to be associated with the Reelfoot Rift. The majority of Wabash Valley faults originate near the junction of the Rough Creek and Cottage Grove faults and extend northeastward along the Wabash River. After a major earthquake in the New Madrid or Wabash Valley seismic zone, what changes to the landscape would we most likely see? My Account | FAQ |

> Wabash and NM faults map . The lack of earthquakes suggested the b-value of the La Salle region could be as low as 0.56. Accessibility Statement, Dissertations & Theses @ Southern Illinois University Carbondale. The November 9, 1968 Wabash Valley Zone magnitude 5.5, was the strongest in the central U.S. since the October 31, 1895 New Madrid Zone quake, centered near Charleston, Missouri. > Red circles indicate earthquakes that occurred from 1974 to 2002 with magnitudes larger than 2.5 located using modern instruments (University of Memphis). This thesis is only available for download to the SIUC community. Residents are seeing that moderate sized earthquakes are not just occurring to the south, but occur right at home and can affect Illinois, Indiana, and Kentucky. The La Salle anticline, a Precambrian basement feature, is oriented NW to SE just north of the termination of these faults. Wabash Valley Seismic Zone: New Kid on the Block Southern Illinois / Indiana The first of a series of Wabash Valley quakes , before 5 am April 18th, 2008, 128 miles east of St. Louis, 38 miles NNW of Evansville, Ind., shook the Midwest from Canada to Georgia, but caused very little damage.
1979, NORTHERN WABASH VALLEY SEISMIC ZONE AND THE LA SALLE ANTICLINE SEISMICITY DETERMINED BY A SHORT PERIOD PHASED ARRAY, Daniel John Brazitis, Southern Illinois University CarbondaleFollow. Meers fault in Oklahoma. Detailed Description This map shows earthquakes (circles) of the New Madrid and Wabash Valley seismic zones (orange patches). Two small earthquakes (~M 1.0) located near the La Salle anticline. The Wabash Valley Seismic Zone is located in Southeastern Illinois and Southwestern Indiana and it is capable of producing M7.0 earthquakes. Two of these moderate sized earthquakes have occurred north of the terminus of the Wabash Valley faults that the WVSZ is commonly associated with.

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