U.S. Geological Survey

Asian Carp

Study: Physical, Electric Barriers Best Defenses Against Asian Carp

Placing dam-like structures in Chicago waterways would be an almost foolproof method of preventing Asian carp from reaching Lake Michigan, while a less pricey electric barrier system also has solid prospects for shielding the Great Lakes from the invasive fish.

01/29/2014

Northwestern University seismic station at Ryerson Woods Conservation Area in Lake County, IL. measured Monday's tremor.

Cause Of Tremors In Suburbs Likely A Quarry Blast

Residents in the western suburbs felt tremors early Monday afternoon, and federal officials believe the shaking was from a quarry blast and not a natural earthquake.

11/04/2013

Lake Michigan (Photo by Tim Boyle/Getty Images)

Officials Warn Of Great Lakes Water Shortage

A federal analysis this week warned that the Great Lakes region could experience water shortages in some locations in coming years because of climate shifts or surging demand.

CBS Chicago–02/09/2011

This map from the U.S. Geological Survey plots the intensity levels of Thursday's earthquake near Kokomo, Ind. (Credit: USGS)

Indiana Earthquake Felt In Chicago

An exceedingly rare earthquake struck central Indiana Thursday morning, and some Chicagoans felt tremors.

CBS Chicago–12/30/2010