APPENDIX 23          MAJOR WORLD EARTHQUAKES: 1900-2007


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Appendix for the paper The Number 56 & Earthquake/Volcanic Cycles


Kazuya Fujita
of the Michigan State University presented a listing of 45 biggest earthquakes occurring around the world between 1900 to 2004. To this list, the major quakes (=> 8.2 mag) on March 28, 2005, November 15, 2006 and September 12, 2007 were also included. Of the total figure, 19 happened within the year to September 15 of those years in Table A (significant p < .01). 

 

Table A         9/56 YEAR CYCLE: MAJOR WORLD QUAKES 1900 - 2007
12 months ended September 15

      Sq
52
Sq
05
    Sq
32
Sq
41
Sq
50
Sq
03
Sq
12
Sq
21
                1904

1913

1922

1931

1940
0524

1949
0822

  1906
0131
0817
1915 1924
0314
0626

1933
0302

1942 1951
501209
1960
0521
0522

1969
0811

1978

1987

1996
0218

 2005
041226
0328

1953
521104

1962 1971 1980
791212

1989
0523

1998  2007
061115
0912
                

2009

                       

The 56 year sequences are separated by an interval of 9 years.
Events in bold occurred in the 1.8 months ended December 26 in the prior year to those year in the table.
Events in bold contained major worldwide quakes in 5 months ended June 26 of those years in the table.
Events in bold contained major quakes in the month ended September 12.
Dates presented as YYYYMMDD.
Source of Raw Data:
Kazuya Fujita

 

MAGNITUDES OF THE LARGEST SEISMIC EVENTS: 1900 - 2007

Rank

Date

Location

Mw

1a

1960.05.22

Chile Mainshock (a)

9.6

1b

1960.05.22

Chile "Precursor" (a)

9.5

2

1964.03.28

Prince William Sound, Alaska

9.2

1c

1960.05.22

Chile "Afterslip"(a)

9

3

2004.12.26

Northern Sumatra

9

4

1952.11.04

Kamchatka

9

5

1965.02.04

Aleutian Islands

8.7

6

1950.08.15

Assam, India

8.7

7

1933.03.02

Sanriku, Japan

8.6

8

1957.03.09

Aleutian Islands

8.6

9

1906.01.31

Ecuador-Colombia

8.6

2005.03.28 Northerh offshore Sumatra  8.6

10

1963.10.13

Etorofu, Kurile Islands

8.5

11

1938.02.01

Banda Sea

8.5

12

1906.08.17

Valparaiso, Chile

8.5

13

1923.02.03

Kamchatka

8.5

2007.09.12 Southern offshore Sumatra 8.5

14

2001.06.23

Near coast of Peru

8.4

15

1958.11.06

Etorofu, Kurile Islands

8.4

16

1922.11.11

Atacama, Chile

8.4

17

1952.03.04

Tokachi-oki, Japan

8.4

18

1977.08.19

Sumbawa, Indonesia

8.3

19

2003.09.25

Hokkaido, Japan

8.3

20

1924.06.26

Macquarie Ridge

8.3

21

1920.12.16

Kansu, China

8.3

22

1994.10.04

Etorofu, Kuriles

8.3

23

1905.07.09

Mongolia

8.3

24

1905.07.23

Mongolia

8.3

25

1946.04.01

Aleutian Islands

8.3

26

1979.12.12

Colombia-Ecuador

8.3

27

1923.09.01

Kanto (Tokyo), Japan

8.3

28

1968.05.16

Tokachi-oki, Japan

8.3

29

1938.11.10

Alaska

8.3

30

1919.04.30

Tonga

8.3

31

1994.06.09

Bolivia

8.3

2006.11.15 Kuril Islands 8.3

32

1950.12.09

Argentina

8.3

33

1959.05.04

Kamchatka

8.2

34

1940.05.24

Peru

8.2

35

1918.08.15

Mindanao, Philippines

8.2

36

1996.02.18

West Irian, Indonesia

8.2

37

1989.05.23

Macquarie Ridge

8.2

38

1949.08.22

Queen Charlotte Island

8.2

39

1928.06.17

Oaxaca, Mexico

8.2

40

1918.09.07

Urup, Kurile Islands

8.2

41

1969.08.11

Shikotan, Kurile Islands

8.2

42

1960.05.21

Chile Foreshock

8.2

43

1966.10.17

Northern Peru

8.2

44

1970.07.31

Columbia

8.2

45

1924.04.14

Philippines

8.2

(a) Taken as one event.
Years in bold contained major worldwide earthquakes in the 10 months ending September 15 of those years in Table A.
Source: Kazuya Fujita

 

 

The US Geological Survey  presented a listing of 45 biggest recorded earthquakes (mag =>8.0) occurring around the world between 1700 to 2006. Of this total figure, 15 happened in the 12 months ended June 15 of those years in the 9/56 patterns in Table B (significant p < .001). This effect applied to the biggest recorded earthquakes. Of the 22 biggest world quakes (mag =>8.3), 11 appeared in the 9/56 year grid in Table A, whereas 3.1 could have been expected by chance. Of the 23 events of magnitude between 8.0 & 8.3, only four appeared in Table B, a finding which could be expected by chance.

NB: Earthquakes presented in red occurred in the 12 months ended June 15 of those years in the 9/56 year grid in Table B.

  

Table B         9/56 YEAR CYCLES: USGS MAJOR WORLD EARTHQUAKES 1800 - 2005
Year ended June 15

      Sq
52
Sq
05
    Sq
32
      1700
0126
1709 1718 1727

1736  

1749 1738 1747 1756
551101
1865 1774 1783 1792
1785 1794 1803 1812
0207
111216
1821 1830 1839 1848
1841  1850 1859 1868 1877 1886 1895 1904
1897
0612
960615
1906
0131
050709
1915 1924

1933
0302

1942 1951
500815
1960
0522
1953
521104
1962 1971
700731
1980

1989

1998
0425
 2007
061115
     
2009               

The 56 year sequences are separated by an interval of 9 years.
Years in bold contained major worldwide earthquakes in the 12 months ending June15 of those years in the table.
Source of Raw Data: USGS

 

USGS BIGGEST QUAKES
1960 05 22 - Chile - M 9.5
1964 03 28 - Prince William Sound, Alaska - M 9.2
2004 12 26 - Sumatra-Andaman Islands - M 9.1
1952 11 04 - Kamchatka - M 9.0
1700 01 26 - Cascadia Subduction Zone - M 9.0
1906 01 31 - Off the Coast of Ecuador - M 8.8
1965 02 04 - Rat Islands, Alaska - M 8.7
1755 11 01 - Lisbon, Portugal - M 8.7
2005 03 28 - Northern Sumatra, Indonesia - M 8.6
1957 03 09 - Andreanof Islands, Alaska - M 8.6
1950 08 15 - Assam - Tibet - M 8.6
1963 10 13 - Kuril Islands - M 8.5
1938 02 01 - Banda Sea, Indonesia - M 8.5
1923 02 03 - Kamchatka - M 8.5
1896 06 15 - Sanriku, Japan - M 8.5
2001 06 23 - Near the Coast of Peru - M 8.4
1933 03 02 - Sanriku, Japan - M 8.4
1905 07 09 - Mongolia - M 8.4
2006 11 15 - Kuril Islands - M 8.3
2003 09 25 - Hokkaido, Japan Region - M 8.3
1958 11 06 - Kuril Islands - M 8.3
1897 06 12 - Assam, India - M 8.3
1994 06 09 - Bolivia - M 8.2
1938 11 10 - Shumagin Islands, Alaska - M 8.2
1906 08 17 - Valparaiso, Chile - M 8.2
2004 12 23 - North of Macquarie Island - M 8.1
1998 04 25 - Balleny Islands Region - M 8.1
1966 10 17 - Near the Coast of Peru - M 8.1
1957 12 04 - Gobi-Altai, Mongolia - M 8.1
1949 08 22 - Queen Charlotte Islands, British Columbia, Canada - M 8.1
1946 12 20 - Nankaido, Japan - M 8.1
1946 04 01 - Unimak Island, Alaska - M 8.1
1944 12 07 - Tonankai, Japan - M 8.1
1934 01 15 - Bihar, India - M 8.1
1811 12 16 - New Madrid Region - M 8.1
2000 11 16 - New Ireland Region, Papua New Guinea - M 8.0
1985 09 19 - Michoacan, Mexico - M 8.0
1970 07 31 - Colombia - M 8.0
1946 08 04 - Dominican Republic - M 8.0
1945 11 27 - Off the coast of Pakistan - M 8.0
1922 11 11 - Chile-Argentina Border - M 8.0
1907 10 21 - Tajikistan - M 8.0
1899 09 10 - Yakutat Bay, Alaska - M 8.0
1891 10 27 - Mino-Owari, Japan - M 8.0
1812 02 07 - New Madrid Region - M 8.0