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OKLAHOMA EARTHQUAKES
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Appendix for the paper 9/56 year Cycles:
Earthquakes & Volcanoes
The Oklahoma Geological
Survey gave a listing of
37 significant quakes in Oklahoma between 1882 and 2005. Of this total
figure, 29 fell in the 13 months beginning October 20 of those years in Table
B this appendix, a finding that was highly significant (p < 10-4).
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Table
A OKLAHOMA EARTHQUAKE CATALOG
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Year
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Month
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Day
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Mag
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County
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1882
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10
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22
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5.0
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NE I.T.
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1915
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11
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08
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3.9
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Rogers
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1926
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06
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20
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4.3
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Sequoyah
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1929
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12
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28
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4.0
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Canadian
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1936
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03
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14
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3.6
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McCurtain
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1937
|
06
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08
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3.6
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Pottawatomieck
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1939
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06
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01
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4.4
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Huges
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1942
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06
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12
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3.7
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Garfield
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1952
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04
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09
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5.0
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Canadian
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1952
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04
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11
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3.8
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Canadian
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1952
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04
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16
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3.8
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Canadian
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1952
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04
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16
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3.8
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Canadian
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1953
|
03
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17
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3.8
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Canadian
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1956
|
04
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02
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3.8
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Pushmataha
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1956
|
10
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30
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4.1
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Rogers
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1959
|
03
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15
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4.0
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Pontotoc
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1959
|
06
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17
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4.2
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Comanche
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1961
|
01
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11
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3.8
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Latimer
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1961
|
04
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27
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4.1
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Latimer
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1968
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10
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14
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3.5
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Bryan
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1969
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05
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02
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3.5
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Okfuskee
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1975
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11
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29
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3.6
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Garvin
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1976
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04
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19
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3.5
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Roger Mills
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1981
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07
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11
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3.5
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Grady
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1987
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12
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08
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3.7
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Kingfisher
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1990
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10
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11
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3.0
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Garvin
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1990
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11
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15
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3.9
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Garvin
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1992
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12
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17
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3.5
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Garvin
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1995
|
01
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18
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4.2
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Garvin
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1995
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09
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15
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3.8
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Woods
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1997
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09
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06
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4.4
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Coal
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1998
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04
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28
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4.2
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Comanche
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1998
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10
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30
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3.5
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Grant
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2002
|
02
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08
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3.8
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Comanche
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2002
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06
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19
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3.6
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Cimarron
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2002
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10
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20
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3.3
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Atoka
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2004
|
06
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08
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3.7
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Love
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Years in bold
contained Oklahoma quakes in the 13 months commencing October 20 of those
years in the table.
Source: Oklahoma
Geological Survey
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Table
B OKLAHOMA EARTHQUAKES
& 9/56 YEAR GRID
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Sq 54
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Sq 05
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Sq
32
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Sq
41
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Sq
50
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Sq 03
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Sq 12
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Sq 21
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Sq 48
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Sq 01
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1882
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1891
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1900
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1909
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1918
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1927
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1936
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1945
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1884
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1893
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1902
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1911
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1920
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1929
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1938
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1947
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1956
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1965
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1974
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1983
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1992
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2001
***
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1886
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1895
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1904
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1913
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1922
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1931
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1940
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1949
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1958
**
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1967
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1976
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1985
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1994
**
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2003
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1915
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1924
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1933
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1942
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1951
****
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1960
**
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1969
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1978
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1987
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1996
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2005
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1971
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1980
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1989
**
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1998
**
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2007
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The 56 year sequences in the table are separated by an
interval of 9 years.
Years in bold contained Oklahoma
quakes in the 13 months commencing October 20 of those years in the
table.
Source of Raw Data: Oklahoma
Geological Survey
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