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Event Notification Report for September 29, 2004

U.S. Nuclear Regulatory Commission
Operations Center

Event Reports For
09/28/2004 - 09/29/2004

** EVENT NUMBERS **


41076

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Power Reactor Event Number: 41076
Facility: DIABLO CANYON
Region: 4 State: CA
Unit: [1] [2] [ ]
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: TONY CHITWOOD
HQ OPS Officer: BILL GOTT
Notification Date: 09/28/2004
Notification Time: 13:44 [ET]
Event Date: 09/28/2004
Event Time: 10:30 [PDT]
Last Update Date: 09/29/2004
Emergency Class: UNUSUAL EVENT
10 CFR Section:
50.72(a) (1) (i) - EMERGENCY DECLARED
Person (Organization):
LINDA HOWELL (R4)
SUZANNE BLACK (NRR)
SUSAN FRANT (IRD)
JUNE PAULEY (DHS)
BOB CAULDWELL (FEMA)
STEVE BAILEY (DOE)

Unit SCRAM Code RX CRIT Initial PWR Initial RX Mode Current PWR Current RX Mode
1 N Y 100 Power Operation 100 Power Operation
2 N Y 100 Power Operation 100 Power Operation

Event Text

UNUSUAL EVENT DECLARED DUE TO SEISMIC ACTIVITY

"Earthquake felt at plant site [at 1015 PDT] registering 0.012 g. No damage on plant site noted. Release to the environment remains within normal operating levels, and effluent radiation monitors did not alarm. No protective action required."

The Licensee notified the NRC Resident Inspector.

* * * UPDATE FROM T. CHITWOOD TO W. GOTT AT 1428 EDT ON 09/28/04 * * *

"Plant walk down in progress. No damage noted." The Licensee notified the NRC Resident Inspector.

* * * UPDATE FROM GLENN COELZER TO MACKINNON AT 2132 EDT ON 09/28/04

Information Call: No plant damage detected by walkdowns or equipment testing. R4DO (Linda Howell) notified.

The Licensee will notify the NRC Resident Inspector.

* * * UPDATE FROM JEFF KNISLEY TO CROUCH AT 0313 EDT ON 09/29/04 * * *

Information Call: No plant damage detected by walkdowns or equipment testing.

The licensee notified the NRC Resident Inspector. R4DO(Howell) will be notified.

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Friday, March 30, 2012