PNO-V-89-047, on 890808,earthquake & Aftershock of 5.1 & 4.2 Magnitudes,Respectively,Occurred Approx 15 Miles Southwest of San Jose,Ca.Reactors Shutdown During Earthquake.Tour of GE Reactor Disclosed No Damage

PNO-V-89-047:on 890808,earthquake & Aftershock of 5.1 & 4.2 Magnitudes,Respectively,Occurred Approx 15 Miles Southwest of San Jose,Ca.Reactors Shutdown During Earthquake.Tour of GE Reactor Disclosed No Damage

ML20245K861
Person / Time
Site:	Vallecitos Nuclear Center, 05000000, Aerotest, Berkeley Research Reactor
Issue date:	08/08/1989
From:	North H, Yuhas G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
To:
References
PNO-V-89-047, PNO-V-89-47, NUDOCS 8908210170
Download: ML20245K861 (2)

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l PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-V-89-47 Date: Aug. 8, 1989

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' This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest-significance. The information presented is as initially received t:ithout verification or evaluation and is basically all that is known by Region V staff on this date.

' ' FACILITIES: General Electric Emergency Classification Vallecitos Nuclear Center Notification of Unusual Event Pleasanton, California Alert Docket No. 50-73 Site Area Emergency General Emergency

.Aerotest Operations, Inc. X Not Applicable 3455 Fostoria Way San Ramon, California Docket No. 50-228 i

University of California Berkeley, California Docket No. 50-224

SUBJECT:

EARTHQUAKE 15 MILES SOUTHWEST OF SAN JOSE, CALIFORNIA At 1:13 and 1:44 AM, PDT, an earthquake and aftershock of 5.1 and 4.2 magnitudes, respectively, occurred approximately 15 miles, southwest of San Jose, California. The

-earthquake'was at a depth of 15 kilometers. The General Electric, NTR reactor and the

' Aerotest, TRIGA reactors-are located approximately 37 and 47 miles from the epicenter, l respectively. Both reactors were shut down at the time. The earthquake was felt at' I the GE Vallecitos facility. . An immediate tour at GE disclosed no damage. The NTR

, reactor at GE has no seismic instrumentation. The seismic instrumentation at Aerotest l was not actuated. Licensee representatives at both facilities reported no evidence of damage, and no releases of radioactive material.

The University of California, Berkeley, TRIGA reactor, 56 miles from the epicenter, has

, been defueled and the fuel shipped offsite.

The earthquake and aftershock were widely felt in the San Francisco Bay area. There

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was considerable media attention directed at the earthquake, however none of this i attention was associated with reactor facilities in the area.

l l This preliminary notification is issued for information only and no further action by the staff is anticipated.

R::gion V (San Francisco) received initial notification of this occurrence as a result l of personal observation and media attention at approximately 1:13 AM, PDT, August 8, 1989. The information presented herein has been discussed with licensee representatives

and is current as of 8

15 AM, PDT, August 8, 1989. The University of California, l Berkeley, was not contacted following the event.

i- CONTACT: G. P. Yuhas, FTS 463-3748 - H. S. North, FTS 463-3762 0(

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8906210170 890808 PDR 1&E [

FNO-V-89-047 FDC

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PNOV-89-47 DISTRIBUTION BY S520

FAX T0:

Date: Aug. 8, 1989 -Time: 10:10 AM Date Time

' Chairman Carr EDO RI 'INP0 Comm. Roberts AE0D RII NSAC

'Comm. Rogers PA0 RIII LICENSEE Comm. Curtiss SLITP RIV RESIDENT INSPECTOR SECY. NRR HQS. OPERATIONS OFFICER CA - NMSS PDR OGC ARM OE 01 MAIL T0:

ACRS DIA DCS (Original)

GPA RES . DOT:(Trans. Only, Applicable State)

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