Illinois had a State Geological Survey as early as 1851, but by 1875, ... updating its landmark bedrock map of the state, which hasn't been changed significantly since 1916; ...

The Illinois State Geological Survey map shows that Wolf Branch Middle School at 410 Huntwood Road is on the edge of an undermined area in Swansea. On Monday, ...

Officials of the California Geological Survey marked the agency's 150th anniversary Tuesday by releasing two updated maps revealing the latest information on all the state's active seismic faults ...

Locked inside a green shed beside Illinois Highway 137 in Lake County is one of the answers to a question being asked in congressional hearing rooms in Washington. Just what does the U.S. Geologica… ...

A 3.1 earthquake struck near Waltonville Illinois in Jefferson County Sunday , the U.S. Geological Survey said.

A 3.6 earthquake shook Putnam County, Illinois near the border with LaSalle County, the U.S. Geological Survey said.

The scoop on what’s happening beneath the surface of Illinois is being gathered by college students under the tutelage of geophysicists from the Illinois State Geological Survey. For years th… ...

Map of Illinois mines Illinois has a great tool to see where old mines are. You can look up a specific address using the interactive Illinois Coal Mines Viewer from the state geological survey.

Dolostone chosen as State Rock of Illinois 00:21. LISLE, Ill. (CBS)-- It is now official – the chosen rock of the State of Illinois is dolostone. At the Morton Arboretum in Lisle Monday, Gov. JB ...

CHAMPAIGN, Ill. (AP) - Illinois has a new state geologist. Richard C. Berg has been appointed as permanent director of the Illinois State Geological Survey, which researches earth science issues ...

The United States Geological Survey reported a minor, 3.6 magnitude earthquake occurred at 4:42 a.m. Wednesday with an epicenter in Standard, Ill. Stream NBC 5 for free, 24/7, wherever you are ...

PUTNAM COUNTY, Ill. (WLS) -- A 3.6 earthquake struck part of Illinois Wednesday morning, the U.S. Geological Survey said. The earthquake struck at about 4:41 a.m. and was centered south of the ...