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To: Keith in Iowa
This is about 15 miles southeast of me!!

== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, National Earthquake Information Center

Version #6: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.


A light earthquake occurred at 8:59:36 (UTC) - Coordinated Universal Time on Tuesday, April 29, 2003. The magnitude 4.5 event occurred 7 km (5 miles) ESE of Mentone, AL. The hypocentral depth was 5 km ( 3 miles).






Magnitude 4.5 - body magnitude (Mb)
Time Tuesday, April 29, 2003 at 8:59:36 (UTC) - Coordinated Universal Time
Tuesday, April 29, 2003 at 5:59:36 AM (ADT) - Atlantic
Tuesday, April 29, 2003 at 4:59:36 AM (EDT) - Eastern
Tuesday, April 29, 2003 at 3:59:36 AM (CDT) - Central
Tuesday, April 29, 2003 at 2:59:36 AM (MDT) - Mountain
Tuesday, April 29, 2003 at 1:59:36 AM (PDT) - Pacific
Tuesday, April 29, 2003 at 12:59:36 AM (AKDT) - Alaska
Monday, April 28, 2003 at 10:59:36 PM (HST) - Hawaii
Distance from Mentone, AL - 7 km (5 miles) ESE (109 degrees)
Menlo, GA - 8 km (5 miles) NNW (341 degrees)
Valley Head, AL - 10 km (6 miles) E (99 degrees)
Rome, GA - 44 km (27 miles) NW (318 degrees)
Chattanooga, TN - 59 km (37 miles) SSW (201 degrees)

Coordinates 34 deg. 33.0 min. N (34.550N)
85 deg. 30.2 min. W ( 85.504W)
Depth 5 km (3.1 miles)
Location Uncertainty horizontal +/- 7.9 km (4.9 miles); depth fixed by location program
Location Quality
Parameters Nst= 86, Nph= 86, Dmin=83.6 km, Rmss=1.72 sec, Erho=7.9 km, Erzz=0 km, Gp=68.4 degrees
Event ID# usteak
Additional Information 2-degree map
Shaded relief map and other info from NEIC
Topo map centered at earthquake (This link takes you offsite. Not all regions have topo maps available.)
Did you feel it?

105 posted on 04/29/2003 2:58:05 AM PDT by rebel
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To: rebel
I hope you're not in for a repeat!
115 posted on 04/29/2003 3:01:17 AM PDT by hmmmmm
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To: rebel
Thanks for the post.

According to a geological map in my file, the epicenter is located on an old reverse fault underneath Lookout Mountain where the mountain crosses the state line.

Ever since the Jurassic opening of the Atlantic Ocean basin 140,000,000 years ago, the old compressional fault zones along the suture zone, in which the approaching Pangaean foreland was welded about 120,000,000 years earlier to the North American passive margin along the Brevard Fault Zone, have been gradually relaxing and releasing the planetary-scale compressional forces. This is very probably one of those events -- and no biggie.

Regards,

"LG"

185 posted on 04/29/2003 4:49:35 AM PDT by lentulusgracchus
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