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At 1116 PST on 12/22/03, an earthquake wasAt 1116 PST on 12/22/03, an earthquake was felt on-site measuring 0.04g on plant seismic instrumentation. The licensee declared an Unusual Event at 1122 PST per EAL 18 (greater than 0.01g) . Both Units 1 and 2 continue to operate at 100% power. The local electrical grid is stable and all Emergency Diesel Generators are fully operable. A number of plant tank level were momentarily alarmed. The Unit 2 Main Turbine Electro-Hydraulic Control (EHC) pump tripped and was successfully restarted.</br>Plant walk-down inspections are in progress. The licensee notified the NRC Resident Inspector.</br>The National Earthquake Information center reports that the earthquake measured 6.5 R and was centered approximately 5 miles Northeast of San Simeon, CA or approximately 35 miles Northwest of the Diablo Canyon site.</br>* * * UPDATE ON 12/23/03 @ 1526 BY HENDERSON TO GOULD * * * </br>The licensee terminated the NOUE at 1212 PST following a 24 hour period after the earthquake. It was determined that the probability of an earthquake at this point is no greater than it was prior to the earthquake that occurred on 12/22/03.</br>The licensee notified the NRC Resident Inspector.</br>Notified R4DO (Smith), NRR EO (Reis), DIRO Manager (Nieh), FEMA (Eaches) and DHS (Bozzo).ger (Nieh), FEMA (Eaches) and DHS (Bozzo).  +
19:22:00, 22 December 2003  +
40,408  +
14:39:00, 22 December 2003  +
19:22:00, 22 December 2003  +
At 1116 PST on 12/22/03, an earthquake wasAt 1116 PST on 12/22/03, an earthquake was felt on-site measuring 0.04g on plant seismic instrumentation. The licensee declared an Unusual Event at 1122 PST per EAL 18 (greater than 0.01g) . Both Units 1 and 2 continue to operate at 100% power. The local electrical grid is stable and all Emergency Diesel Generators are fully operable. A number of plant tank level were momentarily alarmed. The Unit 2 Main Turbine Electro-Hydraulic Control (EHC) pump tripped and was successfully restarted.</br>Plant walk-down inspections are in progress. The licensee notified the NRC Resident Inspector.</br>The National Earthquake Information center reports that the earthquake measured 6.5 R and was centered approximately 5 miles Northeast of San Simeon, CA or approximately 35 miles Northwest of the Diablo Canyon site.</br>* * * UPDATE ON 12/23/03 @ 1526 BY HENDERSON TO GOULD * * * </br>The licensee terminated the NOUE at 1212 PST following a 24 hour period after the earthquake. It was determined that the probability of an earthquake at this point is no greater than it was prior to the earthquake that occurred on 12/22/03.</br>The licensee notified the NRC Resident Inspector.</br>Notified R4DO (Smith), NRR EO (Reis), DIRO Manager (Nieh), FEMA (Eaches) and DHS (Bozzo).ger (Nieh), FEMA (Eaches) and DHS (Bozzo).  +
Has query"Has query" is a predefined property that represents meta information (in form of a <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">subobject</a>) about individual queries and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
2.777778e-4 d (0.00667 hours, 3.968254e-5 weeks, 9.132e-6 months)  +
00:00:00, 23 December 2003  +
Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
02:24:31, 2 March 2018  +
14:39:00, 22 December 2003  +
false  +
-0.197 d (-4.72 hours, -0.0281 weeks, -0.00647 months)  +
19:22:00, 22 December 2003  +
Notification of Unusual Event - Earthquake  +
URL"URL" is a <a href="/Special:Types/URL" title="Special:Types/URL">type</a> and predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to represent URI/URL values.
1  +  and 2  +