ML20209C418

Discusses 830829 Moderate Earthquake in Ca.No Damage Reported

ML20209C418
Person / Time
Site:	05000000, Diablo Canyon
Issue date:	08/30/1983
From:	Rotham R, Rothman R Office of Nuclear Reactor Regulation
To:	Rolonda Jackson Office of Nuclear Reactor Regulation
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FOIA-86-391 NUDOCS 8309060519
Download: ML20209C418 (1)

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AUG 3 01983 DOCUMENT CONTROL DESK 016 GSB RDG MEMORANDUM FOR: Robert E. Jackson, Chief Geosciences Branch, DE THRU:

Leon Reiter, Leader Seismology Section, GSB, DE FROM:

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

SUBJECT:

CALIFORNIA EARTHQUAKE OF AUGUST 29, 1983 A moderate earthquake occurred off the coast of California on August 29, 1983. The U. S. Geological Survey reports:

Origin Time 10:10:28.8 GMT Epicenter 35.72*N 121.45'W Depth 5 kilometers Magnitude,m 5.4 b

e The earthquake was felt along the coast of Claifornia. No damage was reported from this event.

The earthquake location is 50 miles from Diablo Canyon Nuclear Power Plant in the vicinity of the Hosgri fault (CDMG Map No.1). There have been previous earthquakes reported in this area. We will contact PG&E to determine if the strong motion instruments at Diablo Canyon Nuclear Power Plant triggered.

Q WY M t. Rothman, Geophysicist eismology Section G osciences Branch, DE cc:

H. Denton R. Vollmer J. Knight T. Sullivan L. Chandler H. Scherling B. Buckley D. Eisenhut GM Staff 0906051 @05000275N 30030 noucn s

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