Magnitude 4.4
Time Tuesday, June 18, 2002 at 17:37:32 (UTC)
Distance from 2 km (1 miles) S (178 degrees) of Brookport, IL
4 km (3 miles) NNE (12 degrees) of Paducah, KY
8 km (5 miles) ENE (58 degrees) of Concord, KY
129 km (80 miles) WNW (299 degrees) of Clarksville, TN
Coordinates 37 deg. 6.5 min. N (37.108N)
88 deg. 37.6 min. W ( 88.626W)
Depth 4.2 km (2.6 miles)
Quality Poor
Just what differentiates a "poor" quality earthquake from a gÖd one?
Just what differentiates a "poor" quality earthquake from a good one?