Seguin Independent School District Natural Disasters and Weather Extremes
The chance of earthquake damage in Seguin Independent School District is about the same as Texas average and is much lower than the national average. The risk of tornado damage in Seguin Independent School District is lower than Texas average and is higher than the national average.
Earthquake Index, #657
| Seguin Independent School District | 0.01 |
| Texas | 0.04 |
| U.S. | 1.81 |
The earthquake index value is calculated based on historical earthquake events data using USA.com algorithms. It is an indicator of the earthquake level in a region. A higher earthquake index value means a higher chance of an earthquake.
Volcano Index, #1
| Seguin Independent School District | 0.0000 |
| Texas | 0.0000 |
| U.S. | 0.0023 |
The volcano index value is calculated based on the currently known volcanoes using USA.com algorithms. It is an indicator of the possibility of a region being affected by a possible volcano eruption. A higher volcano index value means a higher chance of being affected.
Tornado Index, #891
| Seguin Independent School District | 146.58 |
| Texas | 208.58 |
| U.S. | 136.45 |
The tornado index value is calculated based on historical tornado events data using USA.com algorithms. It is an indicator of the tornado level in a region. A higher tornado index value means a higher chance of tornado events.
Other Weather Extremes Events
A total of 2,393 other weather extremes events within 50 miles of Seguin Independent School District were recorded from 1950 to 2010. The following is a break down of these events:
| Type | Count | Type | Count | Type | Count | Type | Count | Type | Count |
| Avalanche: | 0 | Blizzard: | 0 | Cold: | 2 | Dense Fog: | 1 | Drought: | 48 |
| Dust Storm: | 0 | Flood: | 771 | Hail: | 883 | Heat: | 1 | Heavy Snow: | 2 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 6 | Landslide: | 0 | Strong Wind: | 1 |
| Thunderstorm Winds: | 614 | Tropical Storm: | 2 | Wildfire: | 3 | Winter Storm: | 10 | Winter Weather: | 6 |
| Other: | 43 | ||||||||
Volcanos Nearby
No volcano is found in or near Seguin Independent School District.
Historical Earthquake Events
No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Seguin Independent School District.
No historical earthquake events found in or near Seguin Independent School District.
Historical Tornado Events
A total of 41 historical tornado events that had recorded magnitude of 2 or above found in or near Seguin Independent School District.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 1.7 | 1969-05-22 | 2 | 29°36'N / 97°57'W | 0 | 0 | 3K | 0 | Guadalupe | |||
| 1.8 | 1956-10-20 | 2 | 29°35'N / 97°58'W | 1.00 Mile | 33 Yards | 0 | 1 | 3K | 0 | Guadalupe | |
| 4.8 | 1953-12-01 | 3 | 29°30'N / 97°56'W | 29°32'N / 97°52'W | 5.10 Miles | 1760 Yards | 0 | 10 | 250K | 0 | Guadalupe |
| 5.3 | 1967-05-01 | 2 | 29°39'N / 97°58'W | 0.50 Mile | 20 Yards | 0 | 0 | 3K | 0 | Guadalupe | |
| 8.7 | 1961-09-04 | 2 | 29°37'N / 98°04'W | 29°37'N / 98°05'W | 1.90 Miles | 33 Yards | 0 | 0 | 3K | 0 | Guadalupe |
| 9.0 | 2007-07-21 | 2 | 29°26'N / 97°58'W | 29°28'N / 97°58'W | 2.00 Miles | 150 Yards | 0 | 0 | 50K | 0K | Guadalupe |
| Brief Description: EVENT NARRATIVE: At approximately 4:25 am CST a tornado estimated to be an EF-2 touched down about 9 miles south of Seguin and 1/4 mile southeast of CR411. The tornado moved northward along SH123 for nearly 1 mile before turning slightly to the north northwest and crossing CR410. It damaged three outbuildings, a residence and a store, but no one was injured. The tornado ranged in width from 50 yards up to 150 yards. The total track length was approximately 2 miles. EPISODE NARRATIVE: Thunderstorms associated with a persistent upper level low produced heavy rain and flash flooding through the morning on July 21. | |||||||||||
| 11.9 | 1967-09-20 | 3 | 29°39'N / 98°07'W | 5.00 Miles | 67 Yards | 0 | 0 | 250K | 0 | Comal | |
| 12.9 | 1966-05-21 | 2 | 29°42'N / 98°06'W | 2.00 Miles | 880 Yards | 0 | 0 | 0K | 0 | Cottle | |
| 18.7 | 1957-04-26 | 2 | 29°41'N / 97°39'W | 0 | 0 | 3K | 0 | Caldwell | |||
| 20.0 | 1961-11-12 | 2 | 29°52'N / 97°56'W | 0 | 0 | 3K | 0 | Hays | |||
| 22.4 | 1980-08-10 | 2 | 29°54'N / 97°52'W | 29°54'N / 98°05'W | 13.10 Miles | 200 Yards | 0 | 20 | 25.0M | 0 | Caldwell |
| 23.8 | 1965-05-18 | 2 | 29°16'N / 97°46'W | 0.50 Mile | 33 Yards | 0 | 0 | 3K | 0 | Gonzales | |
| 23.8 | 1954-07-12 | 2 | 29°35'N / 98°20'W | 1.00 Mile | 33 Yards | 0 | 0 | 3K | 0 | Bexar | |
| 25.9 | 1961-11-12 | 2 | 29°54'N / 97°43'W | 1.00 Mile | 433 Yards | 0 | 0 | 25K | 0 | Caldwell | |
| 26.6 | 1961-08-04 | 2 | 29°42'N / 97°31'W | 0.10 Mile | 100 Yards | 0 | 3 | 3K | 0 | Caldwell | |
| 26.9 | 1965-08-28 | 2 | 29°51'N / 97°37'W | 0.50 Mile | 33 Yards | 0 | 0 | 0K | 0 | Caldwell | |
| 28.2 | 1991-02-19 | 2 | 29°16'N / 97°38'W | 0.20 Mile | 10 Yards | 0 | 0 | 0K | 0 | Gonzales | |
| 30.2 | 1976-03-30 | 2 | 30°00'N / 98°04'W | 1.00 Mile | 100 Yards | 0 | 0 | 25K | 0 | Hays | |
| 31.5 | 1976-03-30 | 2 | 30°02'N / 97°55'W | 2.50 Miles | 200 Yards | 0 | 1 | 250K | 0 | Hays | |
| 31.8 | 1969-05-03 | 2 | 29°23'N / 98°25'W | 1.00 Mile | 67 Yards | 0 | 0 | 250K | 0 | Bexar | |
| 31.9 | 1985-04-22 | 2 | 30°02'N / 97°51'W | 0.50 Mile | 50 Yards | 0 | 0 | 250K | 0 | Hays | |
| 31.9 | 1971-02-25 | 2 | 29°53'N / 97°40'W | 29°57'N / 97°29'W | 11.90 Miles | 50 Yards | 0 | 0 | 0K | 0 | Caldwell |
| 32.1 | 1959-05-10 | 2 | 29°16'N / 98°20'W | 1.00 Mile | 33 Yards | 0 | 0 | 3K | 0 | Bexar | |
| 33.8 | 1953-04-28 | 3 | 29°33'N / 98°32'W | 29°35'N / 98°28'W | 4.90 Miles | 200 Yards | 1 | 5 | 250K | 0 | Hays |
| 33.8 | 1969-05-16 | 2 | 29°25'N / 98°30'W | 29°27'N / 98°27'W | 4.30 Miles | 100 Yards | 0 | 3 | 250K | 0 | Bexar |
| 34.7 | 1980-08-10 | 2 | 29°54'N / 98°05'W | 30°06'N / 98°25'W | 24.20 Miles | 33 Yards | 0 | 0 | 25.0M | 0 | Hays |
| 34.9 | 1965-04-15 | 2 | 29°51'N / 97°31'W | 29°54'N / 97°25'W | 6.90 Miles | 50 Yards | 0 | 0 | 0K | 0 | Caldwell |
| 35.6 | 1958-05-03 | 2 | 29°43'N / 98°41'W | 29°43'N / 98°20'W | 21.00 Miles | 67 Yards | 0 | 0 | 25K | 0 | Bexar |
| 36.6 | 1980-08-10 | 2 | 29°25'N / 98°25'W | 29°25'N / 98°37'W | 12.20 Miles | 100 Yards | 0 | 2 | 250K | 0 | Bexar |
| 38.3 | 1961-11-22 | 3 | 29°23'N / 98°32'W | 1.00 Mile | 50 Yards | 0 | 0 | 3K | 0 | Bexar | |
| 38.9 | 1970-09-13 | 2 | 29°13'N / 98°26'W | 0.10 Mile | 17 Yards | 0 | 0 | 3K | 0 | Bexar | |
| 39.8 | 1965-05-18 | 2 | 29°07'N / 98°20'W | 0 | 0 | 0K | 0 | Wilson | |||
| 40.5 | 1967-05-08 | 2 | 28°58'N / 98°02'W | 29°01'N / 97°54'W | 8.90 Miles | 440 Yards | 0 | 0 | 3K | 0 | Karnes |
| 41.4 | 1988-09-17 | 2 | 29°24'N / 98°38'W | 29°29'N / 98°35'W | 5.00 Miles | 50 Yards | 0 | 3 | 25.0M | 0 | Bexar |
| 41.6 | 1973-10-11 | 2 | 29°39'N / 97°16'W | 29°45'N / 97°15'W | 7.10 Miles | 50 Yards | 0 | 0 | 25K | 0 | Gonzales |
| 43.1 | 1973-10-11 | 2 | 29°45'N / 97°15'W | 29°46'N / 97°15'W | 1.10 Miles | 50 Yards | 0 | 1 | 25K | 0 | Fayette |
| 44.2 | 1970-04-18 | 2 | 29°40'N / 98°40'W | 0.50 Mile | 67 Yards | 0 | 0 | 25K | 0 | Bexar | |
| 45.8 | 1953-04-28 | 4 | 29°34'N / 98°42'W | 1.00 Mile | 1760 Yards | 2 | 15 | 0K | 0 | Bexar | |
| 46.9 | 1950-05-15 | 2 | 29°47'N / 98°50'W | 29°40'N / 98°34'W | 18.00 Miles | 33 Yards | 0 | 0 | 25K | 0 | Kendall |
| 48.9 | 1960-10-15 | 2 | 28°54'N / 97°42'W | 2.00 Miles | 880 Yards | 0 | 0 | 25K | 0 | Karnes | |
| 49.1 | 1980-08-10 | 2 | 30°00'N / 97°10'W | 30°05'N / 97°28'W | 18.80 Miles | 77 Yards | 0 | 0 | 0K | 0 | Bastrop |
* The information on this page is based on the global volcano database, the U.S. earthquake database of 1638-1985, and the U.S. Tornado and Weather Extremes database of 1950-2010.