MISSISSIPPI VALLEY EARTHQUAKES AND SEISMIC WINDOWS


Date Time Mg/Int Epicenter Lat Lon FM Per NM Sync Sq Mi
1995-Sep-14 18:30 4.1/V Kansas/OK border 36.9 98.6 6 10   49 hrs. 100000
1995-Sep-05 18:00 2.7/III Mt.Vernon IL 48.3 84.1 -3 1   49 hrs. 1500
1995-Aug-17 19:18 3.1/IV Dyesburg TN 36.1 89.4 7 9   47 hrs. 2000
1995-Jul-19 20:10 3.2/V New Madrid MO 36.5 89.6 7 8   25 hrs. 1500
1995-Jul-14 21:03 3.3/V Birmingham AL 33.5 87.7 2 3   25 hrs. 2000
1995-Jun-29 05:27 3.1/V New Madrid MO 36.5 89.6 17 17 2 3 hrs! 1500
1995-Jun-06 17:26 3.6/V New Madrid MO 36.1 89.4 24 23 8 13 hrs. 7500
1995-May-31 10:48 3.0/IV Tishomingo OK 34.3 96.7 17 16 3 13 hrs. 1500
1995-May-27 13:50 3.8/V Dyersberg TN 36.1 89.6 11 12 -2 13 hrs. 7500
1995-Apr-13 23:32 5.8/ VII Marathon TX 30.2 103.3 -2 -4   44 hrs. 200000
1995-Feb-10 23:53 3.1/IV IA/MO border 40.5 94.9 -3 14 11 72 hrs 1500
1995-Jan-18 09:50 4.0/V Lindsay OK 34.8 97.6 1 18 17 34 hrs. 50000
1991-Jul-07 15:24 4.0/V So.Central MO 36.7 91.6   -4 -4et 9 hrs! 50000
1990-Sep-26 08:24 5.0/VI Cape Girardeau MO 37.2 89.6 20 17 6 97 hrs. 150000
1987-Jun-10 17:48 5.2/VI Olney IL 38.7 88.1   -1 -2 28 hrs. 150000
1986-Jul-12 02:20 4.9/VI Anna OH 40.5 84.4 6 -8 -9 37 hrs. 30000
1986-Jan-31 10:46 5.3/VII Cleveland OH 41.6 81.2 5 20 21 46 hrs. 125000
1984-Jun-29 01:58 4.1/VI Southern IL 37.1 88.5   -2 1 66 hrs. 2500
1983-Mar-04 00:31 4.4/VI Ft.Thompson SD 44.2 99.4   4 5 33 hrs. 16000
1980-Jul-27 13:52 5.2/VII Mayville KY 38.2 83.9 0e -3   68 hrs. 231000
1976-Mar-24 18:41 5.0/VI Jonesboro AR. 35.6 90.5   8 8 16 hrs. 95000
1975-Jul-09 09:54 5.0/VI Morris MN. 45.7 96.1   -2 0 54 hrs. 31652
1974-Apr-03 17:04 4.7/VI Southern IL 38.6 88.1   -2 1 68 hrs. 243000
1972-Sep-15 23:22 4.5/VI Amboy IL 41.6 89.4   9 6 90 hrs. 250000
1968-Nov-09 11:01 5.5/VII S.Cent. IL 38.1 88.5 5 18 17 38 hrs. 580000
1967-Jun-29 07:56 3.4/V Greenville MS. 33.6 90.9 6 8   61 hrs  
1967-Jun-04 10:16 3.8/VI Greenville MS. 33.6 90.9 11 12   17 hrs. 25000
1967-Apr-07 23:41 4.2/V Columbus OH 39.6 82.5 13 13 -2 5 hrs! 4000
1966-Jun-26 06:00 3.1/VI Rapid City SD 44.3 103.4   6 8 63 hrs. 1200
1965-Oct-20 07:13 5.2/VII S.W. IL 37.1 89.2 3 17 17 3 hrs! 160000
1964-Mar-28 04:09 5.1/VII Nebraska/SD 42.9 101.6 0 13 15 63 hrs. 90000
1961-Dec-31 10:35 4.2/VI Pierre SD 44.2 100.7 7 10   75 hrs. 13000
1958-Nov-07 20:41 4.4/V S.E. IL 38.4 88.1 11 -3 -3 16 hrs! 28500
1955-Apr-09 07:01 4.3/VI Sparta IL 38.2 89.8 2 -13 -12 29 hrs. 20500
1953-Sep-11 12:26 4.0/VI S.W. IL 38.6 90.1 18 19 3 23 hrs. 5100
1952-Jun-20 03:37 4.0/VI S.E. OH 39.7 82.2 12 12 -2 22 hrs! 10000
1952-Apr-09 10:28 5.5/VII El Reno OK 35.4 97.8 0 -3   88 hrs. 140000
1947-Jun-29 22:23 4.2/VI Waterloo-Dupo IL 38.8 90.1   11 11 17 hrs. 15200
1946-Jul-23 01:45 4.1/VI Huron SD 44.1 98.6 9 -7 -5 49 hrs. 8360
1943-Mar-09 21:26 4.5/VI Cleveland OH 41.6 81.3   4 3 46 hrs. 40000
1939-Nov-23 09:15 4.6/V Griggs IL 38.2 90.1 -2 14 12 61 hrs. 150000
1937-Mar-08 23:45 5.4/VIII Anna OH 40.5 84.3 11 -5 -3 49 hrs. 150000
1937-Mar-02 08:48 5.0/VII Anna OH 40.5 84.3 5 -11 -9 49 hrs. 70000
1935-Nov-01 00:03 6.2/VII St.Lawrence River 46.8 79.1 19 18 5 24 hrs. 885000
1935-Mar-01 05:00 4./VI Nebraska 40.3 96.2   -3 -3 16 hrs. 50000
1934-Nov-12 08:45 4.0/VI Rock Island IL 41.5 90.5 -10 -8 5 66 hrs. 4500
1931-Dec-16 21:40 5.0/VII No. Mississippi 34.1 89.8   8 6 52 hrs. 80000
1931-Sep-20 17:04 4.7/VII Anna OH 40.4 84.2 3 18 18 14 hrs! 40000
1930-Sep-30 14:39 4.2/VII Anna OH 40.3 84.3   8 9 30 hrs.  
1927-May-07 02:28 5.3/VII N.Jonesboro AR 35.7 90.6   7 6 28 hrs. 110000
1925-Apr-26 22:04 5.0/VII Wabash V. IN. 38.3 87.6   5 1 4 days 124000
1925-Feb-28 20:18 7.0/VIII St.Lawrence River 47.7 70.5   8 6 47 hrs. 2000000
1923-Oct-28 11:09 5.3/VII Marked Tree ARK 35.5 90.4 5 20 19 22 hrs. 40000
1922-Nov-26 21:30 5.0/VII Eldorado IL 37.8 88.5   7 6 42 hrs. 50000
1922-Mar-22 16:29 4.6/VI Illmo MO 37.4 89.4   9 9 12 hrs! 66500
1922-Mar-22 20:22 4.8/VII S. IL 37.4 89.4   9 9 12 hrs! 52000
1922-Jan-02 08:50 4./VI Winner SD 43.8 99.3   7 3 86 hrs.  
1921-Mar-14 06:15 4.4/VI Terre Haute IND 39.5 87.5 -12 -10 4 54 hrs. 34000
1917-Sep-03 15:30 4.3/VI Staples MN 46.3 94.5   2 3 29 hrs. 10000
1917-Apr-09 14:52 5.1/VII St.Louis MO 38.1 90.6 2 15 16 39 hrs. 200000
1912-Jan-02 10:21 4.5/VI Illinois 41.5 88.5   -2 -2 6 min.! 40000
1911-Jun-02 16:33 4.5/V So. Dakota 44.2 98.2   5 5 11 hrs! 40000
1909-Sep-27 03:45 5.3/VII Terra Haute IL 39.8 87.2   -2 -2 4 hrs! 143000
1909-Jul-18 22:47 5.3/VII Petersburg IL 40.2 90.1 0 3   75 hrs. 40000
1909-May-26 08:41 5.3/VIII Aurora IL 42.5 89.1   8 6 53 hrs. 500000
1906-May-09 18:27 3.7/VI NB-SD border 43.1 101.3   1 1 5 hrs! 17100
1905-Aug-21 23:07 5.0/VII Sikeston MO 36.8 89.6 7 -8 -9 41 hrs. 130000
1905-Apr-13 10:30 4./V Keokuk IA 40.4 91.4 -6 -6   16 hrs. 5000
1903-Nov-04 12:17 5.3 /VII Cairo IL 36.9 89.3 0 14 16 68 hrs. 125000
1903-Feb-08 18:21 4.9/VII Murphysboro IL 37.8 89.3   -4 -3 34 hrs. 77000
1902-Jul-28 12:00 4.4/VI East NB 42.5 97.5 23 24 8 23 hrs. 35000
1899-Apr-29 20:04 5.0/VII S.E. IL 37.9 87.5 5 7   58 hrs. 68000
1895-Oct-31 05:08 6.5/IX Charleston MO 37.1 89.4 -1 13 14 35 hrs. 1000000
1895-Oct-11 17:55 4./V Black Hills SD 43.9 103.3 8 -5 -6 35 hrs.  
1891-Sep-26 22:55 5.2/VII Cairo IL 38.2 88.5 8 8   2 hrs! 200000
1891-Jul-26 20:27 4./VI Evansville IN 37.9 87.5 6 7   46 hrs. 8500
1887-Aug-02 12:36 4.9/VI Cobden IL 37.3 88.5 -1 15 13 69 hrs. 171000
1887-Feb-06 16:15 4.6/VI Vincennes IN 38.7 87.5 -1 -2   26 hrs. 64500
1886-Aug-31 21:51 6.8/X Charleston SC 32.9 80.1 2 2   4 hrs! 2000000
1883-Apr-12 02:36 5.0/VII Cairo IL 37.1 89.2 5 5   4 hrs! 200000
1882-Sep-27 04:19 4.4/VI Greenfield IL 39.1 89.5   0 0 10 hrs! 15200
1877-Nov-15 12:30 5.1/VII East NB 41.1 97.1   12 10 50 hrs. 140000
1876-Sep-25 00:15 4.8/VII Mt.Carmel IL 38.5 87.8   8 6 50 hrs. 57000
1876-Sep-25 00:00 4.5/VI Evansville IN 38.5 87.7   8 6 50 hrs. 57000
1875-Jun- 18 07:43 5./VII Urbana OH 40.2 84 0 15 15 16 hrs! 40000
1872-Oct-09 10:00 4./V Sioux City IA 42.7 97.1 -7 -4 8 66 hrs. 3000
1870-Oct-20 10:24 7./IX St.Lawrence River 47.4 70.5   -4 -4 13 hrs! 1000000
1867-Apr-24 14:22 5.1/VII Lawrence KA 39.5 96.7 5 18 20 59 hrs. 300000
1865-Aug-17 09:00 5.3/VII No.Memphis TN 35.5 90.5   11 9 41 hrs. 100000
1857-Oct-08 04:00 4.9/VII Centralia IL 38.7 89.2   3 0 50 hrs. 75000
1843-Jan-04 20:45 6.0/VIII West TN 35.5 90.5   6 3 88 hrs. 540000
1838-Jun-09 08:45 6.0/VIII So.Central IL 38.5 89.1 0 3   81 hrs. 180000
1827-Aug-07 01:00 4.7/V New Harmony IN 38.1 88.1 0 2   40 hrs.  
1827-Aug-06 22:30 4.8/V New Harmony IN 38.1 88.1 -1 1   40 hrs.  
1827-Jul-05 05:30 4.8/VI New Harmony IN 38.1 88.1 -3 -3   18 hrs!  
1812-Feb-07 03:45 8.5/XII New Madrid MO 36.5 89.6 10 -5 -4 30 hrs. 2000000
1812-Jan-23 09:00 8.3/XII New Madrid MO 36.3 89.6 24 27 8 86 hrs. 2000000
1811-Dec-16 02:15 8.7/XII New Madrid MO 36.1 90.1 15 17 1 64 hrs. 2000000
1804-Aug-20 14:10 4.4/VI Chicago IL 40.1 87.8 0 3   73 hrs. 30000
Bold type indicates a "Seismic Window" of increased, potential for earthquakes.
Underlined items for quakes within perigean spring tides with Sychroneity less than 37 hrs.
Mg = Magnitude
Int = Mercalli Intensity
Lat = North Latitude
Lon = West Longitude
e = Eclipse (et = Total Eclipse)
FM = Date of Full Moon in relation to Quake
Per = Perigee = Date of Perigee in relation to Quake
NM = Date of New Moon in relation to Quake
Sync = Synchroneity is time difference between Syzygy (new or full stage of the Moon) and Perigee (On same day, only 2 to 5 times per year)
Jim Berkland, Geologist, Aug 31, 1997
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