ML18017B377

Quarterly Data Rept on Seismic Monitoring Program for Jan-Mar 1981

ML18017B377
Person / Time
Site:	Harris
Issue date:	04/22/1981
From:	CAROLINA POWER & LIGHT CO.
To:
Shared Package
ML18017B376	List: ML18017B375 ML18017B377
References
NUDOCS 8104280366
Download: ML18017B377 (2)

Text

QUARTERLY DATA REPORT SHNPP SEISMIC MONITORING PROGRAM JANUARY 1 1981-MARCH 31 1981 Carolina Power 6 Light Company has completed another quarter of operation of its seismic monitoring program at the Shearon Harris Nuclear Power Plant site near New Hill, North Carolina. During this period a total of 87 cultural events were recorded with an S-P of less than 5 seconds. No local earthquakes were detected.

Of these 87 events, 79 were confirmed as being explosions by responsible companies or agencies. The remaining 8 events displayed the signature and arrival pattern typical of previously identified cultural events and none occurred at night or on a weekend or holiday.

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