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Locations of quakes magnitude 2.5 or greater in the Wabash Valley (upper right) and New Madrid (lower left) Seismic Zones. The Wabash Valley seismic zone (also known as the Wabash Valley fault system or fault zone) is a tectonic region located in the Midwestern United States, centered on the valley of the lower Wabash River, along the state line between southeastern Illinois and southwestern ...
1909 Wabash River earthquake; UTC time: 1909-09-27 09:45: ISC event: n/a : USGS-ANSSComCat: Local date: September 27, 1909 (): Local time: 04:45: Magnitude: 5.1 M fa [1]: Epicenter: 1]: Type: Unknown: Areas affected: Indiana United States: Max. intensity: MMI VII (Very strong) [1]: Casualties: None: The 1909 Wabash River earthquake occurred at 04:45 local time on September 27 with a maximum ...
Created in 1837, the Indiana Geological and Water Survey (IGWS) is an official agency of the U.S. state of Indiana charged with geological research and the dissemination of information about the state's energy, mineral and water resources. [1] In 2017, the Indiana Geological Survey was renamed to the Indiana Geological and Water Survey. [2]
This method can be known as life of field seismic (LoFS) or permanent reservoir monitoring (PRM). [36] 4D seismic surveys using towed streamer technology can be very challenging as the aim of a 4D survey it to repeat the original or baseline survey as accurately as possible.
According to the USGS, "ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes. These maps are used by federal, state, and local organizations, both public and private, for post-earthquake response and recovery, public and scientific information, as well as for preparedness exercises and ...
The Indiana Karst Conservancy is working to raise more awareness of the state’s unique karst landscapes. Trash and other materials get dumped into sinkholes and pits, leading to pollution ...
Isoseismal map for the 1968 Illinois earthquake. In seismology, an isoseismal map is used to show countour lines of equally felt seismic intensity, generally measured on the Modified Mercalli scale. Such maps help to identify earthquake epicenters, particularly where no instrumental records exist, such as for historical earthquakes.
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