Seismometer image captured from this morning's Midwest earthquake

April 18, 2008
Seismometer image captured from this morning’s Midwest earthquake
A UW-Madison geology department seismometer in Weeks Hall recorded the tremors of an earthquake that shook Madison and many other areas of the Midwest this morning (April 18). Centered six miles from the town of West Salem in southern Illinois, the 4:40 a.m. quake had a magnitude of 5.2 and lasted for roughly a minute. It was followed by a sizable aftershock at 10:15 am that was also felt in Madison, according to UW-Madison geologists. Photo courtesy UW-Madison geology department

A University of Wisconsin-Madison geology department seismometer in Weeks Hall recorded the tremors of a southern Illinois earthquake that shook many areas of the Midwest this morning.

Centered six miles from the town of West Salem in southern Illinois, the 4:40 a.m. quake had a magnitude of 5.2 and lasted for roughly a minute.

It was followed by a sizable aftershock at 10:15 am that was also felt in Madison and Milwaukee, according to UW-Madison geologists.

Source: UW-Madison

Related Stories

Recommended for you

New study sheds light on end of Snowball Earth period

August 24, 2015

The second ice age during the Cryogenian period was not followed by the sudden and chaotic melting-back of the ice as previously thought, but ended with regular advances and retreats of the ice, according to research published ...

Earth's mineralogy unique in the cosmos

August 26, 2015

New research from a team led by Carnegie's Robert Hazen predicts that Earth has more than 1,500 undiscovered minerals and that the exact mineral diversity of our planet is unique and could not be duplicated anywhere in the ...

0 comments

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.