Magnitude 4.2 - ILLINOIS

2004 June 28 06:10:51 UTC

Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude4.2
Date-Time
Location41.443°N, 88.927°W
Depth5 km (3.1 miles) set by location program
RegionILLINOIS
Distances 15 km (10 miles) NNW of Ottawa, Illinois
60 km (40 miles) SW of Aurora, Illinois
115 km (70 miles) WSW of Chicago, Illinois
190 km (120 miles) NNE of SPRINGFIELD, Illinois
Location Uncertaintyhorizontal +/- 4.9 km (3.0 miles); depth fixed by location program
ParametersNST= 37, Nph= 37, Dmin=196.8 km, Rmss=0.97 sec, Gp= 72°,
M-type=teleseismic moment magnitude (Mw), Version=9
Source
  • USGS NEIC (WDCS-D)
Event IDuskgad
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Earthquake Summary

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Earthquake Summary Map

  • USGS News Release
  • Felt Reports

    mbLg 4.5 (GS). Felt (V) at Earlville, Oglesby, Ottawa and Tonica; (IV) at Chillicothe, Dalzell, Frankfort, Granville, Hinckley, Hinsdale, Ladd, La Salle, Lockport, Marseilles, Mendota, Monee, Paw Paw, Peru, Princeton, Rock Island, Seneca, Sheridan, Somonauk, Sterling, Streator, Sublette and Utica. Also felt (IV) at Milwaukee, Wisconsin. Felt in Illinois, Indiana, Iowa, Michigan, Missouri and Wisconsin.

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