VIRGINIA EARTHQUAKES AND SEISMIC WINDOWS


Date E.S.T. Mg/Int Epicenter Lat Lon FM Per NM Syn Notes
1774-Feb-21 12:11
4.5/VII
Petersburg~ Glandford 37.2 77.4   11 9 58 hrs.  
1807-Apr-20 4:00
/V
Lynchburg/Richmond     -2 3   41 hrs.  
1811-Dec-16 01:15
8.2/XII
New Madrid~ MO 36.3 89.6 15 3 1 65 hrs.  
1812-Jan-23 08:00
8.4/XII
New Madrid~ MO 36.5 89.6 23 11 8 87 hrs.  
1812-Feb-07 02:45
8.8/XII
New Madrid~ MO 36.6 89.6 12 1 -3 4 days Max. US quake
1828-Mar-09 22:00
4.6/VI
SW Virginia 37 80 6 20 21 30 hrs.  
1833-Aug-27 06:00
4.5/VI
Richmond 37.7 78   12 12 9 hrs. 2 miners killed
1852-Apr-29 13:00
4.9/VII
Wytheville~ Buckingham 36.6 81.6 25 25 10 2 hrs. 1 minute shake
1852-Nov-02 18:35
4.3/VI
Buckingham 37.6 78.6 5 20 20 11 hrs.  
1853-May-02 09:20
4.6/V
Liberty~ Lynchburg 38.5 79.5 9 9 -6 18 hrs.  
1855-Feb-02 03:00
/V
Charlotte Court House 37 78.6 0 15 15 6 hrs.  
1861-Aug-31 00:22
/VI
SW Virginia/ NC border 37.6 78.5   -5 -6 46 hrs.  
1875-Dec-22 23:45
4.8/VII
Manakin~ Richmond 37.8 78 10 10   4 hrs. 20-30 secs.
1885-Oct-09 23:35
/VI
Richmond~ Goochland 37.7 78.8   2 0 69 hrs.  
1886-Aug-31 21:51
6.8/X
Charleston~ SC 32.9 80   2 2 4 hrs Max. E. U.S.
1897-May-03 12:18
4.3/VI
Radford~ Pulaski 37.1 80.7 16 16 1 14 hrs.  
1897-May-31 13:58
5.8/VIII
Giles County 37.3 80.7 15 15 0 7 hrs. Max. VA quake
1897-Oct-21 22:20
/V
S.W. Virginia 37 81 11 -5 -4 28 hrs.  
1897-Dec-18 18:45
/V
Ashland 37.7 77.5   -5 -5 17 hrs.  
1898-Feb-05 15:00
4.4/VI
Pulaski~ E. Radford 37 80.7 0 4 14 4 days  
1898-Nov-25 15:00
4.5/V
Charlottesville~ Roanoke 37 81 -5 0 10 5 days  
1899-Feb-13 04:30
4.5/V
S.W. Virginia 37 81   4 3 19 hrs.  
1907-Feb-11 08:22
4.0/VI
Arvonia~ Buckingham 37.7 78.3 13 0 -2 49 hrs. 20-30 secs.
1908-Aug-23 04:30
/V
Arvonia~ Powhattan 37.5 77.5 11 11   5 hrs.  
1910-May-08 16:10
/V
Arvonia~ Charlottesville 37.7 78.4 15 0 0 11 hrs.  
1918-Apr-09 20:09
4.6/VI
Shenandoah Valley 38.7 78.4   0 -1 19 hrs. Pres. Wilson felt
1919-Sep-05 21:46
/VI
Front Royal~ Arco 38.8 78.2 -4 -2 10 58 hrs.  
1921-Jul-15 __:__
/VI
SW Virginia 36.6 82.2   10 10 23 hrs.  
1921-Aug-07 01:30
/V
New Canton 37.8 78.4   4 4 2 hrs.  
1924-Dec-25 23:30
/VI
Roanoke~ Eggleston 37.3 79.9   0 0 3 hrs.  
1927-Jun-10 02:16
/V
Charlottesville 38 79   12 10 50 hrs.  
1929-Dec-25 21:56
3.7/VI
Charlottesville 38.1 78.5 10 9   25 hrs.  
1955-Sep-28 02:02
/V
Virginia/ NC border     -3 -8 12 63 hrs. Rumbling noise
1959-Apr-23 15:59
3.9/VI
Giles County 37.4 80.7 0 0   5 hrs.  
1966-May-31 01:19
/VI
W. Richmond 37.6 78.0 -3 4 10 6 days  
1969-Dec-11 18:45
/V
Richmond 37.8 77.4   2 3 35 hrs.  
1971-Sep-11 19:06
/V
Milford 37.8 77.4 6 5   25 hrs.  
1972-Sep-05 18:11
/V
Richmond 37.6 77.7 12 10 -3 68 hrs. plaster cracks
1974-May-30 16:29
3.6/V
SW Virginia 37.4 80.4 e -5 6 9 3 days  
1975-Nov-11 03:11
3.2/VI
Blacksburg~ Poplar Hill 37.2 80.9   7 6 35 hrs.  
1976-Sep-13 13:55
3.3/VI
SW VA~ Mt. Airy~ NC 36.6 80.8 2 7   5 days  
1977-Feb-27 20:06
2.4/V
Charlottesville~ Estmont 37.9 78.6 -4 16 11 5 days  
1995-Jun-25 19:36
3.5/V
Troutdale 36.8 81.5 13 13 -1 3 hrs.  
1997-May-03 22:39
3.9/VI
Alabama 30.9 87.5 11 -2 -4 60 hrs.  
1997-Jul-27 10:11
2.5/V
Culpeper Basin 38.4 77.9 8 7   40 hrs.  
1997-Sep-29 12:45
2.5/V
Manassas 38.8 77.4 13 13 -1 3 hrs.  
1997-Oct-24 04:36
5./VI
So. Alabama 31.2 87.2 8 8   25 hrs.  
1997-Oct-26 18:27
3.7/V
So. Alabama 31.1 87.3 10 10   25 hrs.  
1997-Oct-28 05:37
3.0/VI
Western Virginia(mine) 37.1 82.0 12 12 -2 25 hrs.  
1997-Dec-12 03:42
4.0/VI
Jasper~ Alabama 33.7 87.2 -2 0 13 69 hrs.  
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, Feb 23, 1998
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