APPENDIX B
TABLE 2.5-6

(RSL comment: this material is extracted from the WPPSS 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.

                                                            RD  0
                                                            CO .

     *Initials are explained at the end of this table               co



                                      TABLE  2.5-6(Continued)  Page  2 of  8


                                      Epicentral
Year  Mos.  Day  Location             Intensi@                 Penarks             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: 3 0 arn       WG-4

     1892  Mar       Kalma, Wash.                  Cowlitz Co.       TA

    1892  Nov       Oregon City, Ore.                               B & B
co
     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 
                                                                            CO
     1903  Dec   15  Mt. Rainier, Wash.                              TA

                                                                            cc




     *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:  cm. date                WG-4

                                                   uncertain,

                                                   1 or 2 Eec.

     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          10

     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           rn  >
                                                                                           (D @
     1931  May     28  Sultan,     Wash.                                       R           @   m

     1931  A@      19  Sultan,     Wash.                                                   ri- Z
                                                                               R           (D  0
     1931  Sep     18  Lakeside,     Wash.                                     R           -@ :9
                                                                                           tr  m
     1931  Dec     29  Sultan,    Ilash.                                       R           (D  Z

     1932  Feu     29  Florence,     Wash.                                     R           F9

     1932  Jun     13  Sultan,     Wash.                                       R           @-Z
                                                                                           RD 0
    1934'  Jan     11  48  N.,  117   W.                                                   CO

     1934  Feb      8  Sultan,     Wash.                                       R           F-

     1934  Mar     12  Chelan     Falls, Wash.                                 WG-7        co

     1934  Sep      8  Eliensburg,      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.                                    @VG-9
    1934  Sep    20  Ellensbury,   Wash.                                    @IG- 8
    1934  Sep    27  Ellensburg,   Wash.                                    WG-9,       8
    1934  Oct    12  Ell(4nsburg,  Wash.                                    WG-9
    1934  Oct    12  Ellensburg,   Wash.                                    WG-9
    1934  oct    20  Ellensburg,   Wash.                                    WG-9
    1934  NW      2  Ellensburg,   Wash.                                    WG-9
    1934  Nov     2  Ellensburg,   Wash.
    1934  Nov     2  Ellensburg,   Wash.
    1934  NOV    19  Ellensburg,   Wash.                                    9
    1934  Nov    27  Ellensburg,   Wash.                                    WG-9
    1934  Dec     1  Ellensburg,   Wash.                                    WG-9


co  1934  Dec     1  Ellensburg,   Wash.
    1934  Dec     2  Ellensburg,   Wash.
    1934  Dec     2  Ellensburg,   Wash.
    1935  iui    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              m
    1936  JUI    15  White Salmon, Wash.                                    R              (D  0
    1936  iui    15  Mottinger, Wash.                                       R
    1936  JUI    15  Walla Wa-Ila, Wash.               11:13  pm.   After-  R
                                                       shock  of  Jul.  15
    1936  JUI    15  Walla  Walla,   Wash              11:23  pm.   After-  R              F-Z
                                                                                           RD  0
                                                       shock  of  Jul.  15                 CO .
    1936  JUI    15  Walla  Walla,   Wash              11:25 pm.   After-   R              F'

                                                       shock  of Jul. 15.                  co



     *Initials are explained at the end of this table


               TABLE 2.5-6(Continued)                   Page   5   of   8




                                   Epicentral
Year  Day  Location                Intensity   Pemarks                 Peference*

1936   15  Walla   Walla,   Wash.              11:56   p-n. Af  ter-   R
                                               shock  of   Jul.   15
1936   15  Walla Walla, Wash                   11:58   pm  .   After-  R
                                               shock  of   Jul.   15
1936   16  Walla   Walla,   Wash.              00:10   am.    After-   R
                                               shock  of   Jul.   15.
1936   16  Mason City, Wash.                   00:25   am.    After-   R
                                               shock  of   Jul.   15?
1936   16  W-alla  Walla,   Wash.              00:27.5 am. After-      R
                                               shock  of   Jul.   15
1936   16  Walla   Walla,   Wash.              00:38   am.    After-   R
                                               shock  of   Jul.   15.
1936   16  Walla   Walla,   Wash.              01:08   am.    After-   R
                                               shock  of   Jul.   15.

1936   16  Walla   Walla,   Wash.              01:10   am.    After-   R
                                               shock  of   Jul.   15
1936   16  Walla   Walla,   Wash.              03:00   arn.   After-   R


                                               shock  of   Jul.   15
1936   16  Dayton, Wash.                       08:30   am.    After-   R
                                               shock  of   Jul.   15
1936   17  Mottinger, Wash.                    10:27 am.    After-     R           U)  >
                                                                                   (D :9
                                               shock  of   Jul.   15               10  m
                                                                                   ri, Z


1936  iui  17  Locywden, Wash.         08:30 am.    After-  R        (D    0
                                       s@.K of  Jul.   15            "-i   3
                                                                     t)'   tn
                                                                     (D    z
1936  iui  21  unapine, ore.           Eight aftershocks    f3 & i3

1936  JUI  25  Seattle, Wash.                               R?
                                                                     k.0   0
1936  Aug  28  Walla, Walla, Wash.     Aftershock of                 OD .
                                       Jul. 15.                      F'
                                                                           1-
1936  Nov  29  Chelan Falls, Wash.                          WG-7           CC)

1937  iui  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              Peference*



    1937  A@    10  Spokane,   Wash.                                          R

    1937  Sep   20  Walla Walla, Wash.                                        R

    1937  Sep   28  Fall City, Wash.                                          R

    1937  i@v   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                              Skarnania 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
uj

    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

                                                                                          In >

                                                                                          (D :9
                                                                                          @   m
                                                                                          rt
    1941  Apr    6  Republic, Wash.                                           R

    1941  iui   29  Spokane,   Wash.                                          R
                                                                                          O' Li
    1942  Feb    2  Pullman,   Wash.                                          WG-7        (D  Z

    1942  Mar    4  Chelan Falls, Wash.                                       WG-7

    1944  Jan    9  Yakima,    Wash.                                          R
                                                                                          RD  0
    1944  Jan   28  Chelan    Falls, Wash.                                    R           00

    1944  May    9  Mullan,    Idaho

    1945  May    1  North Bend, Wash.                    R                                00

    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  i,4os.  Day  Location                   Intensity               Remarks               Peference*

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.                          DLmanish     Valley.  R
1954  AFr      26  Soutl-i  Seattle,   Wash.                          DLuamish 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  iui      11  Deep   Lake,    Wash.                                                    R
1959  JUI      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.                           G4T. Felt?
1960  Jun      15  Longmire,   Wash.                                                        R


1960  iui  17  46  35  N.,  121   39   W.  Longmire.            R
1960  JUI  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-Skanania Co.  R
1961  Jan   5  46  00  N.,  122    10 W.   Skanania Co.         R


1861   Jan  28  48.07N,     122.4W                 W@2

1961   Feb   9  Cougar,    Wash.                   Swift Dam Powerhouse  R

1961   Feb  21  Co@ar,     Wash.                                         R     m
                                                                                   m
1961   Apr   1  48  41  N.,  121           57  W.  GMT                   WG-2  rt  Z

1961   May                                                                     m     @
            23  47  29  N.,  123           19  W.                        R     5   ,:"

1961   Sep  9?  Roosevelt,      Wash.                                    R         0-  m





1961:  Nov   7  Spokane,     Wash.                 Two   shocks   felt.  R         %D  0
                                                                                   CO .

1961   Nov  15  46  45  N.,  121 52    W.          GMT.                  WG-2
                                                                                   i-,
1961   Nov  26  Oinak, Wash.                       WG-10                           cx,

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   @marks       @ference*


    1963  Sep     6  44.8N., 117.1 W.                  @T.

    1964  Jan    15  45.9 N., 120.0 W.                 aqr.

    1964  iui    30  47.7 122.1                                     t4OAA

    1967  Dec    19  South Seattle, Wash.

    1972  May    23  43,492, 122.427                                NOAA

    1974  iui    14  47.6N   12b.7W        iv          M L =   3.3  WG-3A

    1974  iui    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                                 N@

    1976  Apr     8  45.15,   120.8                                 NOAA

    1976  Apr    13  45-10N, 121.6
                                           iv          ML  =  3.3   WG-See 9, 1A

    1976  Apr    13  45.15N, 120.90W       iv          ML  =  3.4   WG-See 9, IA  10

Ln        Apr
    1976         13  45-15N, 120.87N       iii         ML  =  3.1   WG-See 9, IA

                     45.18,   121.0
w   1976  Air    13                                                 WG
w
w
     *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)