Washington Public Power Supply System, "WPPSS Nuclear Project No. 2,
Final Safety Analysis Report, Volume 1, Amendment 18"
p. 2.5-120)
September 1981





Washington Public Power Supply System, "WPPSS Nuclear Project No. 2,
Final Safety Analysis Report, Volume 1, Amendment 18"

TABLE 2.5-6, page 2.5-386
September 1981


(RSL comment: this material is extracted from theWPPSS Nuclear Project No. 2, Final Safety Analysis Report, Volume 1, Amendment 18", September 1981, Washington Public Power Supply System)



                 TABLE 2.5-6

                Supplement to
"CHRONOLOGICAL LISTING OF EARTHQUAKES WITHIN 200 MILES OF THE SITE"



                 Page 1 of 8
                                                Epicentral
    Year  MOS.  Day  Location                   Intensity   Remarks                Reference*

    1833  Jun    29  Fort   Nisqually                                              TA
                     Oregon  City,  Ore                     occurred between       TA
                                                            1846 and 1852
    1856  Dec    26  Port Townsend, Wash                                           TA
    1857  Sep        Birch Bay, Wash                        Whatcom Co.            TA
    1859  Apr     1  Olympia,   Wash.                                              WG-1
    1860  May     7  Port Townsend, Wash                                           TA
    1866  Nov    30  The  Dalles,  Ore.                                            WG-2
    1866  Dec        The  Dalles,  Ore.                     Probably Dec. 1        TA
    1868  May    30  Mukilteo, Wash.                                               TA
    1868  Jun    20  Mukiltoe-Tulalip, Wash.                Slight.                R
    1869  Feb    18  Port Townsend, Wash                    Slight.                R
    1870  Jun     7  Vancouver,   Wash.                                            R
    1871  Jan    20  Olympia,   Wash.                                              R
    1871  May    19  mt. Rainier, Wash.                                            R
    1871  Jun    20  Seattle,   Wash.                                              WG-2
    1872             Walla Walla, Wash.                     Period from Dec. 16,  TA
                                                            1872 to Jan. 4, 1873
                                                            Many light shocks
                                                            felt.
    1873  Jan    16  Olympia, Wash                                                 R         
    1873  Oct    18  Lake Chelan region, Wash.                              	   WG-2
    1874  Jan    17  Yakima, Wash.						   WG-2

     *Initials are explained at the end of this table               



                                      TABLE  2.5-6(Continued)  Page  2 of  8


                                      Epicentral
Year  Mos.  Day  Location             Intensity                 Remarks             Reference*

1875  May    6  Yakima, Wash.                                 Two shocks felt at  R
                                                               at 3:30,  3:35 pm.
1875  May    6  Yakima, Wash.                                 Severe at 4:15 pm.  R
1878  Apr    1  Puget Sound region,  Wash.                                        R
1880  Aug   22  Northwestern Washington                         		  TA
1883  Sep   28  Portland, Ore.                                  		  TA
1886  Apr   15  Bainbridge Isl., Wash.                          		  TA
1887  Apr   29  Walla Walla Valley, Wash.                      		  	  TA
1888  Feb    1  Point   No   Point,    Wash.                    		  TA
1889  Mar   16  Point   No   Point,    Wash.                    		  TA
1889  Oct   20  Point   No   Point,    Wash.                    		  TA
1890  Feb   1   Admiralty    Head,     Wash.                    		  TA
1890  Oct    8  Point   No   Point,    Wash.                    		  TA
1891  Dec   11  Mt. Baker, Wash.              11:30 am 		      		  WG-4
1892  Mar       Kalma, Wash.                  Cowlitz Co.       		  TA
1892  Nov       Oregon City, Ore.                              			  B & B
1893  Jan   26  Methow Valley, Wash.          Near Chelan       		  WG-4
1893  Jul       Pleasant Ridge, Ore.          Near The Dalles  			  B & B
1893  Jul    7  Wenatchee, Wash                              		  	  WG-2
1894  NOV   21  Mt. Rainier, Wash.                              		  TA
1896  Aug   26  Mt. Hood, Ore.                Earthquake?       		  TA
1898  Jan       Lakeside, Wash.               Slight shocks on  		  TA
                                                   Jan.  11, 14, 15
1898  Feb    2  Brinnon, Wash                                   		  TA
1898  Feb   22  Ellensburg, Wash.                               		  TA    
1898  Jun    3  Lakeside, Wash.                                 		  TA
1898  Aug   12  Seattle, Wash.                Two light shocks  		  TA 
                                                   during night of
                                                   Aug.  12-13  
1900  Sep   28  St. Helens, Ore.                               			  B & B
1902  Dec    4  Hood River, Ore.                                		  TA 
1903  Dec   15  Mt. Rainier, Wash.                              		  TA

     *Initials are explained at the end of this table


                    TABLE 2.5-6(Continued)                    Page  3 of  8





                                                   Epicentral

     Year  Mos.   Day  Location                    Intensity     Remarks       Reference*


1905  Dec         Chelan,     Wash.                2:  am. date          WG-4
                                                   uncertain,
                                                   1 or 2 Dec.
1906  Nov     19  Chelan,     Wash.                         5:30 pm      WG-4
1909  May     24  Waterville,      Wash.                                  TA
1909  Aug     17  Dayton,     Wash.                         Earthquake    TA
1910  Feb      7  Portland     Ore.                                       R
1912  Jun      6  Southern Puget Somd, Wash.                              TA
1912  Nov     24  Seattle,     Wash.                        Three slight  TA
                                                                 shocks,
1914  Feb      1  Lakeside,     Wash.                                     TA
1914  Aug      8  Lakeside,     Wash                                      TA
1915  Apr    22  Puyallup,     Wash.                                     R   
1915  Oct     19  Fruita, Ore.                                            TA 
1918  Jun      7  West Seattle, Wash.                                     TA
1919  Jun      5  Seattle,     Wash.                                      TA
1920 Nov  29  Spokane,     Wash.                                         R
1922  Jan     31  Republic,    Wash.                                     R
1923  Sep         Sultan, Wash. 47.8 121.8
1928   Jul     5  4 8. 1N. , 121. 6 W.                                    R
1930  Jun     17  46.7  N.,   122.5   W.                                  R
1930  Jun     17  47.1 N., 122. W.                                        R
1930  Oct      7  Lemanasky Lake, Wash.                                   R
1931  Jan     20  Sultan,     Wash.                                       R           
1931  May     28  Sultan,     Wash.                                       R         
1931  Aug     19  Sultan,     Wash.                                       R        
1931  Sep     18  Lakeside,     Wash.                                     R      
1931  Dec     29  Sultan,    Wash.                                        R    
1932  Feu     29  Florence,     Wash.                                     R   
1932  Jun     13  Sultan,     Wash.                                       R  
1934  Jan     11  48  N.,  117   W.                                                   
1934  Feb      8  Sultan,     Wash.                                       R          
1934  Mar     12  Chelan     Falls, Wash.                                 WG-7      
1934  Sep      8  Ellensburg,      Wash.                    8:12 a.m.     WG-8
     *Initials are explained at the end of this table





                    TABLE 2.5-6(Continued)               Page  4  of   8
                                           Epicentral
    Year  Mos.  Day  Location              Intensity   Remarks              Reference*
1934  Sep    17  Ellensburg,   Wash.                                    WG-9
1934  Sep    19  Ellensburg,   Wash.                                    WG-9
1934  Sep    20  Ellensbury,   Wash.                                    WG- 8
1934  Sep    27  Ellensburg,   Wash.                                    WG-9,8
1934  Oct    12  Ellensburg,   Wash.                                    WG-9
1934  Oct    12  Ellensburg,   Wash.                                    WG-9
1934  Oct    20  Ellensburg,   Wash.                                    WG-9
1934  Nov     2  Ellensburg,   Wash.                                    WG-9
1934  Nov     2  Ellensburg,   Wash.
1934  Nov     2  Ellensburg,   Wash.
1934  NOV    19  Ellensburg,   Wash.                                    WG-9
1934  Nov    27  Ellensburg,   Wash.                                    WG-9
1934  Dec     1  Ellensburg,   Wash.                                    WG-9
1934  Dec     1  Ellensburg,   Wash.
1934  Dec     2  Ellensburg,   Wash.	                                WG-9
1934  Dec     2  Ellensburg,   Wash.
1935  Jul    24  Shelton, Wash.                                         R
1935  Oct    24  Ellensburg,    Wash.                                   R
1935  oct    31  Wenatchee, Wash                                        R
1935  Oct    31  Culdesac, Idaho
1936  Mar    22  Alder,    Wash.                                        R
1936  Jun    20  Seattle, Wash.                                         R
1936  Jun    20  Bothell, Wash.                                         R 
1936  Jul    15  White Salmon, Wash.                                    R             
1936  Jul    15  Mottinger, Wash.                                       R
1936  Jul    15  Walla Walla, Wash.               11:13  pm.   After-   R
                                                 shock  of  Jul.  15
1936  Jul    15  Walla  Walla,   Wash              11:23  pm.   After-  R            
                                                 shock  of  Jul.  15         
1936  Jul    15  Walla  Walla,   Wash              11:25 pm.   After-   R         
                                                   shock  of Jul. 15.        
     *Initials are explained at the end of this table






               TABLE 2.5-6(Continued)                   Page   5   of   8
                                   Epicentral
Year  Day  Location                Intensity   Remarks                 Reference*
1936 Jul 15  Walla   Walla,   Wash.              11:56 pm. After-        R
                                               shock of Jul. 15
1936 Jul 15  Walla Walla, Wash                   11:58 pm. After-        R
                                               shock  of Jul. 15
1936 Jul 16  Walla   Walla,   Wash.              00:10 am. After-        R
                                               shock of Jul.   15.
1936 Jul 16  Mason City, Wash.                   00:25 am. After-        R
                                               shock  of   Jul.   15?
1936 Jul 16  Walla  Walla,   Wash.              00:27.5 am. After-       R
                                               shock of   Jul.   15
1936 Jul 16  Walla   Walla,   Wash.              00:38 am. After-        R
                                               shock of   Jul.   15.
1936 Jul 16  Walla   Walla,   Wash.              01:08 am. After-        R
                                               shock of   Jul.   15.
1936 Jul 16  Walla   Walla,   Wash.              01:10 am. After-        R
                                               shock of   Jul.   15
1936 Jul 16  Walla   Walla,   Wash.              03:00  am.   After-     R
                                               shock of   Jul.   15
1936 Jul 16  Dayton, Wash.                       08:30 am. After-        R
                                               shock of   Jul.   15
1936 Jul 17  Mottinger, Wash.                    10:27 am. After-        R
                                               shock of   Jul.   15    
1936  Jul  17  Lowden, Wash.                   08:30 am. After- 	 R   
                                               shock of  Jul.   15  

1936  Jul  21  Umapine, ore.                   Eight aftershocks    	B & B
1936  Jul  25  Seattle, Wash.                               		R?
1936  Aug  28  Walla, Walla, Wash.             Aftershock of            R
                                               Jul. 15.                 
                                                                           
1936  Nov  29  Chelan Falls, Wash.            		              WG-7
1937  Jul  16  Walla   Walla,   Wash.                      		R
*Initials are explained at the end of this table





                    TABLE 2.5-6(Continued)              Page 6 of 8
                                             Epicentral
    Year  Mos.      Location                 Intensity   Remarks              Reference*
1937  Aug   10  Spokane,   Wash.                                          R
1937  Sep   20  Walla Walla, Wash.                                        R
1937  Sep   28  Fall City, Wash.                                          R
1937  Nov   26  Darrington, Wash.                                         R
1937  Dec   28  Possession Point, Wash.                                   R
1938  Jan    3  Ariel Dam, Wash.                     Cowlitz, Co.         R
1938  Jan    3  77N R5E                              Skamania Co., two   WG-7, 9
                                                         shocks.
1938  Apr   29  Arlington, Wash.                                          R
1938  May    9  Walla Walla, Wash.                                        R
1938  May   24  Walla Walla, Wash.                   Two shocks.          R
1939  Jan   28  Quilcene, Wash.                                           R
1939  Feb    6  Ellensburg, Wash.                                         R
1939  Jul   22  Clinton,   Wash.                                          R
1939  Nov   29  Chelan,    Wash.         v                                R
1939  Nov   29  Toutle,    Wash.                                          R
1939  Nov   29  Chelan    Falls, Wash.               Three shocks         R
1940  Jan    5  Ephrata,   Wash.                                          R
1940  Mar   23  Puyallup, Wash.                                           R
1940  Mar   24  Hyak, Wash.                                               R
1940  Nov   18  Tacoma,    Wash.                                          R
1940  Nov   25  Tacoma, Wash                         Three shocks felt.   R
1941  Jan    3  Pullman,   Wash.                                          R

1941  Apr    6  Republic, Wash.                                           R
1941  Jul   29  Spokane,   Wash.                                          R
1942  Feb    2  Pullman,   Wash.                                          WG-7
1942  Mar    4  Chelan Falls, Wash.                                       WG-7
1944  Jan    9  Yakima,    Wash.                                          R
1944  Jan   28  Chelan    Falls, Wash.                                    R 
1944  May    9  Mullan,    Idaho
1945  May    1  North Bend, Wash.                	R                     
1949  Apr   14  Pullman,   Wash.                                          R
     *Initials   are   explained at the end of this table




                                              TABLE 2.5-6(Continued)  Page   7   of   8
                                              Epicentral
Year  Mos.  Day  Location                   Intensity               Remarks               Reference*
1952  Oct      12  47.6  N.,  122.6   W.               	                 R
1954  Acr      22  South   Seattle,    Wash.       Duwamish     Valley.  R
1954  Apr      24  South   Seattle,    Wash.       Duwamish     Valley.  R
1954  Apr      26  South  Seattle,   Wash.         Duwamish Valley       R
                                                   Two shocks.
1954  Jun      18  47.6N.,    122.6W.              Seattle.              R
1955  Jan-         Othello,  Wash.   T16   N  R31  Press reports nearly  R
      Mar          E-31                            200 shocks due to
                                                   groundwater loading
                                                   from     irrigation.
1955  Apr      21  46.8 N.,   121.9   W.
1959  Jul      11  Deep   Lake,    Wash.           			 R
1959  Jul      14  Deep   Lake,    Wash.           Water level changes   R
                                                   noted.
1959  Aug      18  47.9  N.,  120.1   W.           Chelan.               R
1960  May      30  47  53  N., 121    59 W.        GMT. Felt?
1960  Jun      15  Longmire,   Wash.               			 R
1960  Jul  17  46  35  N.,  121    39 W.  	   Longmire.             R
1960  Jul  27  47  42  N.,  121    59 W.           Two shocks.           R
1960  Aug   7  48  57  N.,  121    17 W.           			 R
1960  Aug  16  46  22  N.,  121    29 W.   	   Cougar-Skamania Co.   R
1961  Jan   5  46  00  N.,  122    10 W.   	   Skamania Co.		 R
1961  Jan  28  48.07N,     122.4W                 	WG-2
1961  Feb   9  Cougar,    Wash.                    Swift Dam Powerhouse  R
1961  Feb  21  Cougar,     Wash.                  			 R  
1961  Apr   1  48  41  N.,  121           57  W.  GMT                  WG-2
1961  May   23 47  29  N.,  123           19  W.  GMT	            	 R    
1961  Sep  9?  Roosevelt,      Wash.              			 R   
1961  Nov   7  Spokane,     Wash.                 Two shocks felt.       R  
1961  Nov  15  46  45  N.,  121 52    W.          GMT.                  WG-2
1961  Nov  26  Omak, Wash.                       		        WG-10                    
1961  Dec  25  47  04  N.,  122 24    W.          GMT.                  WG-2
*Initials are explained at  the  end  of this table






     TABLE        2.5-6(Continued)       Page 8 of 8
                                           Epicentral
    Year  Mos.  Day  Location              Intensity   Remarks       Reference*
1963  Sep     6  44.8N., 117.1 W.              		GMT.
1964  Jan    15  45.9 N., 120.0 W.                 	GMT.
1964  Jul    30  47.7 122.1                            		         NOAA
1967  Dec    19  South Seattle, Wash.
1972  May    23  43,492, 122.427                               		 NOAA
1974  Jul    14  47.6N   120.7W       		 iv     ML =   3.3       WG-3A
1974  Jul    29  45.9N, 122.6W        		 iv     ML  =  3.0   	 WG-3A
1974  Dec    13  45.27 121.6                            	         NOAA
1974  Dec    15  48.3 122.08                                   		 NOAA
1975  iun     7  46.2N, 122.9W        		 iv     ML  =  4.5   	 WG-3A
1975  Dec     3  43.73   118.47                                 	 NOAA
1976  Apr     8  45.15,   120.8                                 	 NOAA
1976  Apr    13  45-10N, 121.6
1976  Apr    13  45.15N, 120.90W       		iv      ML  =  3.4   	 WG-See 9, IA  10
1976  Apr        13  45-15N, 120.87N      	iii     ML  =  3.1   	 WG-See 9, IA
1976  Air    13  45.18,   121.0						 WG
     *Initials are explained at the end of this table
(RSL 7/1/1995 - No explanation for the initials is given in my copy of this document)