ML20235Z764

Responds to Request & Forwards Suppl to Rept on Seismicity of Facility

ML20235Z764
Person / Time
Site:	05000000, San Onofre
Issue date:	10/13/1972
From:	Murphy L INTERIOR, DEPT. OF, GEOLOGICAL SURVEY
To:	Muntzing L US ATOMIC ENERGY COMMISSION (AEC)
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References
FOIA-87-462 5666, NUDOCS 8710210306
Download: ML20235Z764 (2)

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Backe. Cmado CCT.G 50-3bD October 13, 1972 So36L Rep'ly to Re~ubtory File Cy.

Attu of:

R1030:809.82 Mr. L. Manning Muntzing Director of Regulation U.S. Atomic Energy Cot: mission Washington, D. C.

20545 I) ear Mr. Xuntzing:

In accordance with your request we are for.tardin8 ten copies of the supplement to our report on the seismicity of the San Onofre Nuclear Generating Station Units 2 and 3 in nn1ieornia.

If we may be of further assistance to you, please contact-us.

i Sinceroly, M,751as Leonard M. Murphy, Director

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Seismological Investi ations Group 6

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50-3%2-SUPPLEMDE TO THE REFORT ON THE SITE SEISMICITY FOR THE SAN ONOFRE NUCLEAR GENERATING STATION WITS 2 AND 3 I

This.supplementisherebysuk:mittedby:theSeismological-

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Investigations Group of the Earth Sciences Laboratories, NOAA, to describe more fully the character of the streng motion that has been. recommended by the Group for use in designing components important to safety.

The few peaks with accelerations between '2/3' and t

3Ag that may occur on the' accelerogram will not exceed a total of five.

In addition it is unlikely that more than two of these peaks will occur

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