Antelope, SD Natural Disasters and Weather Extremes
The chance of earthquake damage in Antelope is about the same as South Dakota average and is much lower than the national average. The risk of tornado damage in Antelope is lower than South Dakota average and is lower than the national average.
Earthquake Index, #111
| Antelope, SD | 0.04 |
| South Dakota | 0.05 |
| 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
| Antelope, SD | 0.0000 |
| South Dakota | 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, #283
| Antelope, SD | 77.86 |
| South Dakota | 114.73 |
| 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 1,223 other weather extremes events within 50 miles of Antelope, SD 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: | 0 | Dense Fog: | 0 | Drought: | 0 |
| Dust Storm: | 0 | Flood: | 26 | Hail: | 799 | Heat: | 0 | Heavy Snow: | 0 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 1 |
| Thunderstorm Winds: | 376 | Tropical Storm: | 0 | Wildfire: | 3 | Winter Storm: | 0 | Winter Weather: | 0 |
| Other: | 18 | ||||||||
Volcanos Nearby
No volcano is found in or near Antelope, SD.
Historical Earthquake Events
No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Antelope, SD.
No historical earthquake events found in or near Antelope, SD.
Historical Tornado Events
A total of 22 historical tornado events that had recorded magnitude of 2 or above found in or near Antelope, SD.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 1.1 | 1961-07-27 | 2 | 43°19'N / 100°39'W | 5.00 Miles | 33 Yards | 0 | 0 | 25K | 0 | Todd | |
| 1.2 | 1971-06-15 | 2 | 43°18'N / 100°39'W | 0 | 1 | 0K | 0 | Todd | |||
| 11.0 | 1973-07-08 | 2 | 43°15'N / 100°50'W | 1.00 Mile | 133 Yards | 0 | 0 | 3K | 0 | Hutchinson | |
| 14.8 | 1974-07-02 | 2 | 43°08'N / 100°55'W | 43°05'N / 100°33'W | 18.50 Miles | 100 Yards | 0 | 0 | 250K | 0 | Todd |
| 15.1 | 1971-06-04 | 2 | 43°30'N / 100°29'W | 0.30 Mile | 50 Yards | 0 | 0 | 0K | 0 | Mellette | |
| 18.2 | 1979-09-07 | 2 | 43°09'N / 100°55'W | 1.00 Mile | 133 Yards | 0 | 0 | 250K | 0 | Todd | |
| 27.3 | 1975-07-19 | 2 | 42°56'N / 100°58'W | 42°55'N / 100°33'W | 20.90 Miles | 33 Yards | 0 | 0 | 2.5M | 0 | Cherry |
| 34.6 | 2009-07-13 | 2 | 42°49'N / 100°45'W | 0 | 0 | 25K | 0K | Cherry | |||
| Brief Description: EVENT NARRATIVE: The tornado touched down briefly on the north side of the Bob Kruger ranch. The tornado lifted an old trailer home south southwestward about 20 yards and destroyed it. It also moved a hay baler 10 yards and turned it around. It snapped off numerous tree limbs, tore metal siding off a quonset, and destroyed a metal wind break. Numerous storm chasers captured the intense supercell on video. Chasers reported inflow winds into the supercell of up to 70 mph. EPISODE NARRATIVE: A very intense supercell moved out of central South Dakota and into north central Nebraska producing an isolated tornado and damaging inflow winds. Another isolated thunderstorm also developed over southwest Nebraska with large hail and strong wind gusts. | |||||||||||
| 35.7 | 1962-06-15 | 3 | 42°56'N / 101°07'W | 0 | 6 | 250K | 0 | Cherry | |||
| 36.1 | 1956-06-05 | 2 | 42°56'N / 100°08'W | 0 | 0 | 0K | 0 | Keya Paha | |||
| 39.3 | 1977-07-10 | 2 | 43°00'N / 101°18'W | 43°01'N / 101°17'W | 0 | 0 | 0K | 0 | Bennett | ||
| 40.2 | 2010-05-22 | 2 | 43°22'N / 99°52'W | 43°22'N / 99°48'W | 3.00 Miles | 150 Yards | 0 | 0 | 80K | 0K | Tripp |
| Brief Description: EVENT NARRATIVE: A tornado tracked along East 3rd Street in Winner, blowing down carports, trees, and tractor-trailers. A large barn was destroyed east of Winner; the curved roof was blown off in one piece and tossed across a corral. Another machine shed was blown apart. Based on the extent of the damage, wind speeds were estimated around 75 mph through town with peak winds 95 to 115 mph. EPISODE NARRATIVE: Large hail and strong wind gusts accompanied a severe thunderstorm over southern Todd and Tripp Counties. A tornado crossed the town of Winner, causing minor damage in town and destroying two barns east of town. | |||||||||||
| 41.3 | 1971-06-04 | 2 | 43°54'N / 100°30'W | 0 | 0 | 25K | 0 | Jones | |||
| 41.6 | 1965-05-08 | 2 | 43°11'N / 99°50'W | 43°13'N / 99°48'W | 0 | 0 | 0K | 0 | Tripp | ||
| 44.4 | 1957-06-30 | 2 | 43°22'N / 99°45'W | 0 | 0 | 25K | 0 | Tripp | |||
| 44.5 | 1953-06-14 | 2 | 43°28'N / 101°30'W | 43°50'N / 101°16'W | 27.70 Miles | 440 Yards | 0 | 0 | 25K | 0 | Davison |
| 44.7 | 1971-06-04 | 2 | 43°55'N / 100°19'W | 0 | 0 | 0K | 0 | Lyman | |||
| 45.5 | 1957-04-18 | 2 | 43°15'N / 99°44'W | 43°19'N / 99°43'W | 3.80 Miles | 33 Yards | 0 | 0 | 3K | 0 | Tripp |
| 46.4 | 2003-07-03 | 2 | 43°13'N / 101°35'W | 43°12'N / 101°30'W | 3.00 Miles | 100 Yards | 0 | 0 | 75K | 0 | Bennett |
| Brief Description: A supercell thunderstorm moved southeastward across western Jackson County and Bennett County. The storm dropped up to golf ball sized hail and produced a tornado north of Tuthill. The tornado touched down about a mile north of the junction of highways 18 and 73, where it destroyed a garage. The tornado moved south-southeast and destroyed a mobile home just to the southeast of the highway intersection and then dissipated just north of Tuthill. No one was injured. | |||||||||||
| 46.9 | 2010-05-22 | 2 | 42°56'N / 99°55'W | 42°59'N / 99°45'W | 9.00 Miles | 20 Yards | 0 | 0 | 120K | 0K | Keya Paha |
| Brief Description: EVENT NARRATIVE: At 930 PM CDT, a tornado touched down approximately 12 miles northwest of Springview and traveled northeast for 20 minutes before lifting 11 miles north of Springview. The tornado did extensive tree damage when it touched down, then moved northeast and struck two farmsteads. At the first farmstead, a loafing shed and stock trailer were destroyed, extensive tree and fence damage occurred, and a roof was torn off an old hog building. The most extensive damage occurred north of the farmstead where six rural electric association poles where broken. The tornado continued to move northeast and destroy a windmill. Then a second farmstead was hit with the tornado destroying a 40 by 60 feet quonset building before the tornado lifted at 950 PM CDT. EPISODE NARRATIVE: Thunderstorms developed along a semi-stationary front that stretched north to south across the Central Plains. By late evening, the front extended south near Highway 83 in northeast Cherry County. The storms rapidly intensified moving northeastward and produced large hail up to 1.25 inches and two tornadoes. | |||||||||||
| 47.7 | 1960-07-25 | 2 | 43°55'N / 100°17'W | 43°55'N / 100°04'W | 10.40 Miles | 33 Yards | 0 | 0 | 25K | 0 | Lyman |
| 47.9 | 1977-07-10 | 2 | 42°55'N / 101°36'W | 43°00'N / 101°18'W | 15.90 Miles | 30 Yards | 0 | 0 | 250K | 0 | Cherry |
* 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.