ML20209C698

Informs of Earthquake on 840123 Near Monterey,Ca.Util Repts Earthquake Not Felt in Facility Control Room & Did Not Trigger Std Strong Motion Instruments or Supplemental Instruments.Tapes Will Be Replayed & Results Communicated

ML20209C698
Person / Time
Site:	05000000, Diablo Canyon
Issue date:	01/24/1984
From:	Rothman R Office of Nuclear Reactor Regulation
To:	Rolonda Jackson Office of Nuclear Reactor Regulation
Shared Package
ML082410749	List: ML20209A984 ML20209B531 ML20209B624 ML20209B724 ML20209B847 ML20209B894 ML20209C131 ML20209C225 ML20209C292 ML20209C320 ML20209C516 ML20209C643 ML20209C669 ML20209C675 ML20209C698 ML20209C705 ML20209C710 ML20209C715 ML20209C720 ML20209C836 ML20209C847 ML20209C848 ML20209C876 ML20209C881 ML20209C908 ML20209C921 ML20209C969 ML20209C975 ML20209C981 ML20209C993 ML20209D004 ML20209D012 ML20209D018 ML20209D030 ML20209D038 ML20209D044 ML20209D045 ML20209D071 ML20209D089 ML20209D114 ML20209D127 ML20209D130 ML20209D135 ML20209D139 ML20209D146 ML20209D154 ML20209D211 ML20209D218 ML20209D230 ML20209D235 ... further results
References
FOIA-86-197 NUDOCS 8402070047
Download: ML20209C698 (1)

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WASHINGTON. D. C. 20555 3.'

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!!Ef tCP.4TUM FOR: Pobert E. Jackson, Chief Geosciences Branch, DE THRU:

Leon Reiter, Leader hbt I' Seisnology Section, GSB, DE FR0ft:

Robert L. Rothman, Geophysicist Seismology Section, GSB, DE

SUBJECT:

EARTFOUAKE NEAR MONTEREY, CALIFORNIA An earthquake occurred at 05:40:18.1 GMT on 23 January 1984 Its lccation is latitude 36.28 N longitude 121.85*H about 15 niles southeast a

of t'onterey, California. The USGS gives its magnitude as m = 5.1, D

The earthquake was felt from San Luis Obispo to San Francisbo. 51/4 University cf California Berkeley gives its magnitude was M

=

There have been no reports of damage.

PG&E reports that the earthquake was not felt in the Diablo Canyon control room and it did not trigger the standard strorg motion instrurerts. The supplemental instruments did trigger. They are attemoting to play back the tapes today and will notify us of the results.

There have been 8 aftershocks. The largest of which was a magnitude 4 f;[

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Robert L. Rothman, eophysicist Seismology Section Geosciences Branch, DE cc:

H. Denton R. Vollmer G. Lear GSB Staft

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