Washington Public Power Supply System, Preliminary Safety Analysis Report,
WPPSS Nuclear Project No. 1, 1300 MW Nuclear Power Plant, Vol. 2A.
1977
Table 2R-E1


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                TABLE 2R E-1
               (Sheet 1 of 13)
     CUMULATIVE TABLE OF PUBLISHED DATA
                                               Max.        Felt  No. of
Event                   Origin                 Int.        Area  Felt    Reference
No.    Year  Mo.   Day  Time  (GMT)  Location  (MM)  Mag.  (mi)  Local   Code**     Remarks

37   1905 Oct 19     06:00	Chelan         V			 WGR
41   1907 Feb 17     20:20    	Chelan         V			 WGR
44   1909 Jan 21     13:00    	Chelan        IV 			 WGR
45   1909 May 24             	Douglas        V       	    	   2 	 TA(265)     Rossi-Forel Intensity Scale.
     1909 May 24     17:20    47.6N., 120.OW.          	   	   2     EP(74,78)
     1909 may 24              47.6N., 120.OW.  		 	 	 NE(36)
     1909 May 24              47.6N., 120.OW.  		         	 RA(465)
55   1915 Mar 05     05:10    	Lakeside       IV 		   	 TA(265)     Second shock at 05:30.
	1915 Mar 05        	Lakeside       IV			 BR(147)
	1915 Mar 05  05:10	Lakeside       IV			 RA(466)
57   1915 Jul 18     20:54    	Lakeside       IV 			 TA(265)
     1915 Jul 18        	Lakeside       IV			 BR(147)
     1915 Jul 18     20:54    	Lakeside       IV			 RA(466)
58   1915 Aug 18     14:04    	Marblemount     V     		   7     TA(265)     Discrepancies in location
     1915 Aug 18     14:05    48.5N., 121.4w.  VI			 EP(75,78)   (0.50 Lat., 1.00 Long.) and
     1915 Aug 18     14:05    49.ON., 120.4w. VII			 BR(147)     intensity.  BR(147)Intensity
     1915 Aug 18     14:05    49.0N., 120.4W.  VI			 NE(36)      based on Rossi-Forel
     1915 Aug 18     14:05    48.5N., 121.4W.   V			 RA(466)     Intensity Scale.
     1915 Aug 18     14:05    48.5N., 121.4W.          	            9	 Ml(130)
                                            Max.        Felt  No. of
Event                 origin                Int.        Area  Felt    Reference
No.    Year  Mo. Day  Time (GMT)  Location  (MM)  Mag.  (Mi)  Local   code**     Remarks
59   1915 Aug 18     18:00  	Marblemount      V                  TA(265)
     1915 Aug 18     18:00  	48.5N., 121.4w.            30,000     EP(75,78)
     1915 Aug 18     18:00  	48 32'N., 121 26-W.          30,000     BR(147)
     1915 Aug 18     18:00 	485 N., 121.4w.                       NE(36)
EPB2 1918 Feb 04     20:35  	5loN., 1180W.                           ml(130,131)  Recorded at (VIC) Victoria, British Columbia.
73   1918 May 07                N. Fork Sauk River   IV                 TA(266)
     1918 May 07               48 06'N., 121 22-W.  IV                 BR(148)
     1918 May 07     21:15  N. Fork Sauk River   IV                 RA(466)
78   1920 Oct 07     10:00  Waterville           V                  WGR
95   1926 Dec 30     17:58  Central Washington   VI              9  TA(268)      Shock felt widely,
but epi-
     1926 Dec 30     17:57  E.  Central   Wash.  V       15,000     EP(75,79)    central location is
uncer-
     1926 Dec 30     17:57  Chelan               V-VI    15,000     RA(467)      tain.  EP(79).
96   1927 Jan 03     04:58  Leavenworth          V+                 TA(268)      Discrepancy in
intensity.
     1927 Jan 03     04:58  Leavenworth                             BR(149)
     1927 Jan 03     04:58  Leavenworth          IV                 NE(37)
     1927 Jan 03     04:58  Leavenworth          V+                 RA(467)
10   1931 Dec 08     14:25  Chelan               III-IV             BR(149)
     1931 Dec 08         	Lakeside,    Chelan                  3  USE31(21)
     1931 Dec 08     14:25  Chelan               IV                 CO(2)
     1931 Dec 08     14:25  Lakeside,    Chelan                  3  NE(38)
     1931 Dec 08     14.25  Lakeside,    Chelan  IV                 RA(467)
                                                                                                              (D
Reference Code, See Table 2R E-la
etc. (additional info on post-1928 earthquakes RSL)