
| Date | C.S.T. | Mg/Int | Epicenter | Lat | Lon | FM | Per | NM | Syn | Sq. Miles |
|---|---|---|---|---|---|---|---|---|---|---|
| 1882-Oct-22 | 16:14 | Arkansas/felt Sherman | 35._ | 94._ | -3 | -3 | 32 hrs. | 135,000 | ||
| 1887-May-03 | 15:13 |
| Sonora, Mex.felt El Paso | 30.8 | 109.2 | -4 | -3 | 10 | 41 hrs. | 615,000 |
| 1891-Jan-07 | 12:00 | Rusk, Texas | 31.7 | 91.2 | -2 | -1 | 39 hrs. | |||
| 1917-Mar-27 | 13:56 | Panhandle, Carson Co. | 35.4 | 101.3 | 6 | 5 | 39 hrs. | 2,000 | ||
| 1925-Jul-30 | 06:17 | Panhandle, Carson Co. | 35.3 | 101.3 | 24 | 24 | 9 | 7 hrs.! | 200,000 | |
| 1928-Pct-31 | 21:16 | Mexico/felt El Paso | 26._ | 106._ | 3 | 2 | 27 hrs. | |||
| 1931-Aug-16 | 05:40 | Valentine, Big Bend | 30.5 | 104.6 | 2 | 3 | 36 hrs. | 450,000 | ||
| 1931-Aug-18 | 19:36 | Valentine, Big Bend | 30.5 | 104.6 | 4 | 5 | 36 hrs. | 200,000 | ||
| 1932-Apr-09 | 04:17 | Waco/Wortham | 31.7 | 96.4 | 17 | 16 | 2 | 21 hrs. | 100 | |
| 1934-Apr-11 | 11:40 | Texas/Oklahoma border | 33.9 | 95.5 | 12 | 9 | -2 | 86 hrs. | 3,000 | |
| 1936-Jul-19 | 09:24 | Pampa/Gray County | 35.3 | 100.3 | 2 | 0 | 51 hrs. | 600 | ||
| 1948-Mar-11 | 22:29 | Amarillo/Perico | 36.2 | 102.5 | 15 | 15 | 0 | 18 hrs. | 500 | |
| 1951-Ju20 | 11:37 | No. Texas | 35.5 | 103.1 | 1 | 1 | 00 hrs.!! | |||
| 1952-Apr-09 | 10:29 | El Reno, Okla/felt Texas | 35.4 | 97.8 | 0 | 3 | 88 hrs | 140,000 | ||
| 1956-Oct-30 | 04:16 |
| NE Oklahoma/felt Texas | 36.2 | 95.9 | 10 | 13 | 80 hrs. | 700 | |
| 1957-Mar-19 | 10:38 | NE Texas | 32.1 | 95.1 | 4 | 3 | 28 hrs | 10,000 | ||
| 1959-Jul-16 | 04:27 | SW Oklahoma/felt Texas | 34.5 | 98.5 | -5 | -4 | 30 hrs. | |||
| 1961-Jun-20 | Amarillo/Vega, Texas | 32._ | 102._ | -8 | -9 | 7 | 35 hrs. | |||
| 1964-Apr-28 | 15:19 | TexasLouisiana border | 31.7 | 93.6 | 1 | 15 | 16 | 41 hrs. | ||
| 1964-Aug-16 | 05:36 |
| Hemphill, Texas | 37.4 | 93.8 | 7 | 10 | 8 | 46 hrs. | |
| 1966-Jul-20 | 03:05 | Panhandle, Amarillo | 35.7 | 101.2 | 2 | 3 | 41 hrs. | |||
| 1966-Aug-14 | 09:26 | Kermit/Winkler Co. | 32.1 | 102.3 | -2 | -2 | 19 hrs. | |||
| 1969-May-12 | 01:26 | Texas/Mexico border | 31.8 | 106.4 | 12 | 10 | -2 | 48 hrs. | ||
| 1970-Jan-12 | 03:29 | Texas/N. M. border | 36.1 | 103.2 | 5 | 5 | 13 hrs. | 700 | ||
| 1973-Dec-24 | 17:46 | San Antonio/Falls City | 29._ | 98._ | 13 | 13 | 1 | 21 hrs. | ||
| 1974-Feb-15 | 07:34 | Panhandle, Perryton | 36.5 | 100.7 | 9 | 9 | 24 hrs. | 300 | ||
| 1975-Aug-01 | 01:28 | West Texas | 31.4 | 104.1 | 9 | 6 | -5 | 32 hrs. | ||
| 1976-Jan-18 | 22:04 | Kermit | 31.9 | 103.1 | 3 | 0 | 50 hrs. | |||
| 1976-Jan-24 | 10:48 |
| SW Texas, Kermit | 31.9 | 103.1 | 7 | 4 | 50 hrs. | ||
| 1977-Apr-26 | 03:03 |
| Kermit | 31.9 | 103.1 | -7 | -7 | 7 | 50 hrs. | |
| 1978-Jun-16 | 05:47 | W. Texas | 32.9 | 100.9 | -4 | -4 | 10 | 15 hrs. | 20,000 | |
| 1980-Jun-19 | 18:37 | Panhandle, Kermit | 35.5 | 101.1 | 10 | -2 | -4 | 64 hrs. | ||
| 1981-Jun-09 | 19:47 | E. Cent. Texas, Tyler | 32.1 | 94.4 | 6 | 6 | 22 hrs. | |||
| 1981-Nov-06 | 06:37 | Jacksonville, E. Texas | 32.1 | 95.3 | -5 | -5 | 9 | 13 hrs. | ||
| 1982-Jan-04 | 10:56 | Fort Stockton | 31.2 | 102.5 | -6 | -6 | 8 | 09 hrs! | ||
| 1982-Mar-28 | 17:24 | Campbellton | 28.8 | 98.2 | 0 | 3 | 66 hrs. | |||
| 1982-Oct-14 | 06:53 |
| Hartley/Dalhart | 36.1 | 102.6 | 11 | 1 | -3 | 4 days | |
| 1982-Nov-27 | 20:37 | Snyder/O'Donnell | 33.1 | 100.8 | -6 | -6 | 32 hrs. | |||
| 1983-Apr-02 | 22:55 | No. Texas | 35.5 | 102.3 | 4 | 6 | 59 hrs. | |||
| 1983-Jul-23 | 09:25 | Flashing/Campbellton | 28.7 | 98.1 | 0 | 14 | 14 | 22 hrs. | ||
| 1984-Mar-02 | 19:03 | Jourdanton/Poteet | 28.5 | 98.5 | 14 | 14 | 0 | 08 hrs.! | ||
| 1984-May-21 | 07:31 |
| No. Texas | 35.1 | 102.2 | 7e | 10 | 65 hrs. | ||
| 1984-Jul-23 | 10:25 |
| S. Central Texas | 29.1 | 98.2 | 10 | -5 | -4 | 44 hrs. | |
| 1984-Aug-07 | 19:31 |
| Pleasanton | 29.1 | 98.4 | -4 | 10 | 65 hrs. | ||
| 1984-Sep-11 | 08:48 | W. Central Texas | 31.9 | 100.7 | 1 | 16 | 16 | 22 hrs. | ||
| 1984-Sep-19 | 00:15 |
| Denton | 33.5 | 97.1 | 9 | -5 | -5 | 11 min.!! | |
| 1985-Sep-18 | 09:54 | Sanger/Valley View | 33.5 | 97.1 | 2 | 3 | 42 hrs. | |||
| 1992-Jul-20 | 18:38 | Falls City/Hobson | 28.9 | 98.1 | 6 | -9 | -9 | 12 hrs. | ||
| 1993-Apr-09 | 06:29 | San Antonio, So. Texas | 28.9 | 98.2 | 3 | 4 | 24 hrs. | |||
| 1993-May-16 | 10:32 |
| Jourdanton/So. Texas | 28.8 | 98.2 | 11 | 12 | -3 | 46 hrs. | |
| 1995-Apr-13 | 19:33 | Alpine/Valentine | 30.3 | 103.3 | Fe-2 | -2 | 11 | 40 hrs. | ||
| 1995-Apr-15 | 08:37 | Alpine/Valentine | 30.3 | 103.3 | Fe+0 | 2 | 40 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) the mili iphone 4s projector | ||||||||||
| Jim Berkland, Geologist, Feb 17, 1998 | ||||||||||