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Illinois 5.2 Mw Earthquake Recorded at UWM
Digital Record
Illinois 5.2 Mw Earthquake Focal Mechanism
Illinois 5.2 Mw Earthquake Focal Mechanism

Earthquake Details

Location: Illinois
Date: April 18, 2008
Time: 09:37:00 UTC; 04:37:00 pm CDT.
Latitude: 38.45 N
Longitude: 87.89 W
Magnitudes: 5.2 Mw
Depth: 15 km
Distance: 4.63 deg (320 miles from Milwaukee)

Seismogram Explanation

P-wave arrival time: 09:38:09 UTC; 4:38:09 pm CDT.
S-wave arrival time: not verified.
The vertical axis is in units of displacement in centimeters.
The horizontal axis is in units of time in seconds.
The beginning of the file is the origin of the event.