View source for PNO-III-99-041, on 990902,employees at Station Reported Feeling Ground Motion Associated with Earthquake.Plant Staff Checked Plant Sys & Equipment & No Evidence of Damage Was Found

{{Adams
| number = ML20211K857
| issue date = 09/03/1999
| title = PNO-III-99-041:on 990902,employees at Station Reported Feeling Ground Motion Associated with Earthquake.Plant Staff Checked Plant Sys & Equipment & No Evidence of Damage Was Found
| author name = Jordan M, Tongue T
| author affiliation = NRC OFFICE OF INSPECTION &amp; ENFORCEMENT (IE REGION III)
| addressee name = 
| addressee affiliation = 
| docket = 05000454, 05000455
| license number = 
| contact person = 
| document report number = PNO-III-99-041, NUDOCS 9909080084
| document type = PRELIMINARY NOTIFICATION OF EVENT OR OCCURRENCE (PNO,, TEXT-INSPECTION &amp; AUDIT &amp; I&amp;E CIRCULARS
| page count = 1
}}
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                                          -                   September 3. 1999 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE PNO-III-99-041 This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information is as initially received without verification or evaluation, and is basically all that is known by Region III staff (Lisle, Illinois) on this date.
;     Facility                                       Licensee Emergency Classification Commonwealth Edison Co.                           Notification of Unusual Event Byron 1 2                                        Alert Byron. Illinois                                  Site Area Emergency              1 Dockets: 50-454,50-455-                          General Emergency X Not Applicable

==Subject:==
EARTHQUAKE FELT AT SITE: NO DAMAGE OBSERVED                            j l     At approximately 11:20 a.m. on September 2.1999, employees at the i     station reported feeling the ground motion associated with an earthquake.         l Subsequent contact with the National Earthquake Information Center i     determined that an earthquake of magnitude 3.5 on the Richter scale had l     occurred at 11:17 a.m. (CDT) near Amboy Illinois, which is about 30               4 miles from the plant site.
The ground motion appears to be below the measurement threshold for the           !
l     seismic monitoring equipment at the site. The plant staff checked plant           l t     systems and equipment, and no evidence of damage was found.                       l l
There has been corisiderable local news media interest in the earthquake and its possible effect on the plant. Several television news crews have interviewed the site vice president.
i
     .The State of Illinois has been notified of this information. The                  !
information in this preliminary notification has been reviewed with               i licensee management.
Region III (Chicago) was notified of the earthquake by the NRC resident inspector at approximately 12:30 p m. on September 2, 1999. This information is current as of 3 p.m. on September 2. 1999.

==Contact:==
Thomas Tongue             Michael Jordan (630)829-9613          (630)829-9637 l
9909000084 990900 Nj-II$99-041PDR                                                                 h
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