LATEST ILLINOIS QUAKES

4.2 M - ILLINOIS
Preliminary Earthquake Report
Magnitude
4.2 M
Date-Time
25 Apr 2008 17:31:00 UTC
25 Apr 2008 11:31:00 near epicenter
25 Apr 2008 11:31:00 standard time in your timezone
Location
38.450N 87.870W
Depth
13 km
Distances
8 km (5 miles) NNE (25 degrees) of Bellmont, IL
10 km (6 miles) WNW (294 degrees) of Mount Carmel, IL
11 km (7 miles) E (88 degrees) of Bone Gap, IL
60 km (37 miles) NNW (332 degrees) of Evansville, IN
207 km (129 miles) E (95 degrees) of St. Louis, MO
Location Uncertainty
Horizontal: 1.3 km; Vertical 1.1 km
Parameters
Nph = 15; Dmin = 7.9 km; Rmss = 0.14 seconds; Gp = 86°M-type = M; Version = B
Event ID
NM hwb0425c ***This event has been revised

4.2 M - ILLINOIS
Preliminary Earthquake Report
Magnitude
4.2 M
Date-Time
25 Apr 2008 17:30:58 UTC
25 Apr 2008 11:30:58 near epicenter
25 Apr 2008 11:30:58 standard time in your timezone
Location
38.499N 87.863W
Depth
5 km
Distances
12 km (8 miles) NW (319 degrees) of Mount Carmel, IL
13 km (8 miles) E (101 degrees) of West Salem, IL
13 km (8 miles) ENE (64 degrees) of Bone Gap, IL
64 km (40 miles) NNW (335 degrees) of Evansville, IN
207 km (129 miles) E (93 degrees) of St. Louis, MO
Location Uncertainty
Horizontal: 4.9 km; Vertical 0.0 km
Parameters
Nph = 49; Dmin = 33.2 km; Rmss = 1.41 seconds; Gp = 25°M-type = M; Version = 7
Event ID
US 2008rgbr

4.0 Mw - ILLINOIS
Preliminary Earthquake Report
Magnitude
4.0 Mw
Date-Time
21 Apr 2008 05:38:29 UTC
20 Apr 2008 23:38:29 near epicenter
20 Apr 2008 23:38:29 standard time in your timezone
Location
38.483N 87.857W
Depth
10 km
Distances
11 km (7 miles) NW (315 degrees) of Mount Carmel, IL
12 km (7 miles) NNE (23 degrees) of Bellmont, IL
13 km (8 miles) ENE (72 degrees) of Bone Gap, IL
62 km (39 miles) NNW (335 degrees) of Evansville, IN
208 km (129 miles) E (94 degrees) of St. Louis, MO
Location Uncertainty
Horizontal: 4.1 km; Vertical 0.0 km
Parameters
Nph = 95; Dmin = 34.9 km; Rmss = 1.36 seconds; Gp = 25°M-type = Mw; Version = 8
Event ID
US 2008rcar ***This event has been revised.
For updates, maps, and technical information, see:

Event Page or

U.S.G.S. Earthquake Hazards Program
National Earthquake Information CenterU.S. Geological Survey

http://neic.usgs.gov/

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