Altamont, SD Natural Disasters and Weather Extremes
The chance of earthquake damage in Altamont is about the same as South Dakota average and is much lower than the national average. The risk of tornado damage in Altamont is lower than South Dakota average and is lower than the national average.
Earthquake Index, #312
| Altamont, SD | 0.01 |
| 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
| Altamont, 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, #209
| Altamont, SD | 102.12 |
| 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 2,058 other weather extremes events within 50 miles of Altamont, 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: | 26 | Cold: | 6 | Dense Fog: | 0 | Drought: | 6 |
| Dust Storm: | 0 | Flood: | 84 | Hail: | 1,046 | Heat: | 0 | Heavy Snow: | 33 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 5 | Landslide: | 0 | Strong Wind: | 26 |
| Thunderstorm Winds: | 709 | Tropical Storm: | 0 | Wildfire: | 1 | Winter Storm: | 17 | Winter Weather: | 43 |
| Other: | 56 | ||||||||
Volcanos Nearby
No volcano is found in or near Altamont, SD.
Historical Earthquake Events
No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Altamont, SD.
No historical earthquake events found in or near Altamont, SD.
Historical Tornado Events
A total of 30 historical tornado events that had recorded magnitude of 2 or above found in or near Altamont, SD.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 19.0 | 1986-07-18 | 2 | 44°34'N / 96°42'W | 44°35'N / 96°29'W | 17.00 Miles | 150 Yards | 0 | 0 | 25K | 0 | Deuel |
| 19.8 | 1955-08-28 | 2 | 45°07'N / 96°35'W | 1.50 Miles | 33 Yards | 0 | 0 | 25K | 0 | Grant | |
| 20.5 | 1981-07-22 | 2 | 44°47'N / 97°06'W | 0 | 0 | 250K | 0 | Hamlin | |||
| 20.5 | 1979-06-19 | 2 | 44°54'N / 97°06'W | 0 | 0 | 2.5M | 0 | Codington | |||
| 20.8 | 1971-06-19 | 2 | 44°34'N / 96°52'W | 0 | 0 | 3K | 0 | Deuel | |||
| 23.7 | 1983-07-18 | 3 | 44°54'N / 97°10'W | 0.50 Mile | 100 Yards | 0 | 0 | 2.5M | 0 | Codington | |
| 23.9 | 1971-06-19 | 2 | 44°38'N / 97°06'W | 44°22'N / 96°27'W | 36.80 Miles | 33 Yards | 0 | 0 | 0K | 0 | Hamlin |
| 27.1 | 1971-06-19 | 2 | 44°27'N / 96°39'W | 0 | 0 | 0K | 0 | Brookings | |||
| 29.5 | 1962-08-06 | 2 | 45°03'N / 97°13'W | 0 | 0 | 250K | 0 | Codington | |||
| 30.0 | 1951-07-20 | 2 | 44°54'N / 96°05'W | 1.00 Mile | 33 Yards | 0 | 4 | 0K | 0 | Codington | |
| 33.6 | 1984-05-12 | 3 | 44°50'N / 97°30'W | 44°48'N / 97°15'W | 13.00 Miles | 1320 Yards | 0 | 0 | 2.5M | 0 | Codington |
| 34.1 | 1986-07-18 | 2 | 44°34'N / 97°27'W | 44°35'N / 97°06'W | 14.00 Miles | 100 Yards | 0 | 0 | 25K | 0 | Hamlin |
| 34.5 | 1955-07-07 | 4 | 44°29'N / 96°12'W | 30.00 Miles | 33 Yards | 1 | 13 | 2.5M | 0 | Lyon | |
| 35.2 | 1979-08-03 | 2 | 45°24'N / 96°52'W | 45°18'N / 96°28'W | 20.50 Miles | 33 Yards | 0 | 0 | 250K | 0 | Roberts |
| 37.0 | 1968-06-21 | 2 | 44°24'N / 96°28'W | 44°22'N / 96°08'W | 16.40 Miles | 30 Yards | 0 | 1 | 0K | 0 | Lincoln |
| 37.0 | 1951-07-08 | 2 | 45°22'N / 96°50'W | 0 | 1 | 0K | 0 | Roberts | |||
| 40.2 | 1992-06-16 | 3 | 44°21'N / 97°07'W | 44°19'N / 97°04'W | 2.00 Miles | 100 Yards | 0 | 0 | 2.5M | 0 | Brookings |
| 40.5 | 1992-06-16 | 3 | 44°21'N / 97°10'W | 44°21'N / 97°07'W | 2.00 Miles | 100 Yards | 0 | 0 | 2.5M | 0 | Kingsbury |
| 41.5 | 1964-06-08 | 2 | 44°47'N / 97°32'W | 0 | 0 | 0K | 0 | Clark | |||
| 41.5 | 1961-06-21 | 3 | 44°00'N / 97°05'W | 44°31'N / 96°43'W | 39.90 Miles | 33 Yards | 0 | 0 | 250K | 0 | Minnehaha |
| 42.9 | 1964-06-08 | 2 | 44°58'N / 97°33'W | 0 | 0 | 0K | 0 | Clark | |||
| 43.1 | 1955-04-19 | 2 | 44°17'N / 96°09'W | 44°25'N / 96°09'W | 9.20 Miles | 80 Yards | 0 | 0 | 250K | 0 | Lincoln |
| 43.1 | 1962-07-07 | 2 | 44°42'N / 97°33'W | 44°40'N / 97°32'W | 0 | 0 | 25K | 0 | Clark | ||
| 43.8 | 1992-06-16 | 3 | 44°47'N / 95°48'W | 2.50 Miles | 100 Yards | 0 | 6 | 25.0M | 0 | Yellow Medicine | |
| 45.0 | 1996-05-17 | 3 | 45°23'N / 96°34'W | 45°33'N / 96°18'W | 17.00 Miles | 200 Yards | 0 | 0 | 1.5M | 0 | Big Stone |
| Brief Description: A tornado crossing Big Stone Lake from Roberts County, South Dakota destroyed one cabin at the Meadowbrook Resort, blew the roof off another cabin, and another cabin was demolished when a big tree fell onto it. Several boats on Big Stone Lake were overturned. Approxiamately 150 buildings sustained damage or were destroyed as the tornado moved northeast across Big Stone County through the townships of Prior, Big Stone, Almond, Malta, and Moonshine. Southwest of Clinton, a pontoon boat and a camper were destroyed. East of Clinton, a farm lost all buildings with severe damage to their home. The cupboards fell off the walls and doors would not close, signifying a twisted frame. Northeast of Clinton, another farm suffered damage to all structures. Half of the roof was torn off their home. Two miles south of Johnson, a house (rambler) was completely destroyed and several barns and machine sheds were destroyed, before the tornado lifted. Many trees were uprooted in the path of the tornado across Big Stone County and much of the power was out in the County as power lines were downed. | |||||||||||
| 45.0 | 1992-06-16 | 3 | 44°47'N / 95°51'W | 44°47'N / 95°42'W | 6.00 Miles | 23 Yards | 0 | 0 | 0K | 0 | Yellow Medicine |
| 45.8 | 1953-05-29 | 2 | 44°39'N / 97°37'W | 44°41'N / 97°34'W | 1.90 Miles | 33 Yards | 0 | 0 | 25K | 0 | Clark |
| 46.7 | 1956-10-29 | 2 | 45°31'N / 96°40'W | 0 | 0 | 0K | 0 | Big Stone | |||
| 48.5 | 1970-06-15 | 3 | 44°09'N / 96°57'W | 44°10'N / 96°54'W | 0 | 0 | 250K | 0 | Lake | ||
| 49.5 | 1961-06-21 | 3 | 44°33'N / 97°32'W | 44°00'N / 97°05'W | 43.90 Miles | 33 Yards | 0 | 0 | 250K | 0 | Kingsbury |
* 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.