Trail City, SD Natural Disasters and Weather Extremes
The chance of earthquake damage in Trail City is about the same as South Dakota average and is much lower than the national average. The risk of tornado damage in Trail City is lower than South Dakota average and is much lower than the national average.
Earthquake Index, #385
| Trail City, 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
| Trail City, 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, #378
| Trail City, SD | 45.44 |
| 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 1,067 other weather extremes events within 50 miles of Trail City, 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: | 53 | Hail: | 619 | Heat: | 0 | Heavy Snow: | 0 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 0 |
| Thunderstorm Winds: | 376 | Tropical Storm: | 0 | Wildfire: | 4 | Winter Storm: | 0 | Winter Weather: | 0 |
| Other: | 15 | ||||||||
Volcanos Nearby
No volcano is found in or near Trail City, SD.
Historical Earthquake Events
No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Trail City, SD.
No historical earthquake events found in or near Trail City, SD.
Historical Tornado Events
A total of 18 historical tornado events that had recorded magnitude of 2 or above found in or near Trail City, SD.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 20.4 | 1964-06-08 | 2 | 45°05'N / 100°42'W | 45°09'N / 100°41'W | 3.80 Miles | 33 Yards | 0 | 1 | 0K | 0 | Dewey |
| 28.5 | 1953-05-29 | 2 | 45°49'N / 100°49'W | 0.50 Mile | 33 Yards | 0 | 2 | 250K | 0 | Corson | |
| 29.2 | 1968-06-20 | 3 | 45°32'N / 100°13'W | 45°30'N / 100°02'W | 8.80 Miles | 200 Yards | 0 | 0 | 0K | 0 | Walworth |
| 29.3 | 1970-07-18 | 2 | 45°06'N / 100°18'W | 0 | 0 | 0K | 0 | Potter | |||
| 30.3 | 1969-07-07 | 2 | 45°48'N / 101°00'W | 0 | 0 | 0K | 0 | Lawrence | |||
| 33.3 | 1968-06-20 | 3 | 45°30'N / 100°02'W | 0 | 0 | 0K | 0 | Walworth | |||
| 33.4 | 1955-04-19 | 2 | 45°03'N / 101°10'W | 0 | 0 | 3K | 0 | Dewey | |||
| 35.6 | 1953-06-02 | 2 | 45°00'N / 101°14'W | 45°01'N / 101°06'W | 5.90 Miles | 33 Yards | 0 | 0 | 25K | 0 | Dewey |
| 37.1 | 1955-04-19 | 2 | 45°01'N / 100°07'W | 45°16'N / 99°59'W | 18.20 Miles | 27 Yards | 0 | 0 | 3K | 0 | Potter |
| 37.1 | 1970-06-14 | 2 | 45°40'N / 100°02'W | 2.50 Miles | 1760 Yards | 0 | 0 | 25K | 0 | Campbell | |
| 38.7 | 2010-06-16 | 2 | 45°03'N / 101°19'W | 45°03'N / 101°19'W | 0 | 0 | 0K | 0K | Dewey | ||
| Brief Description: EVENT NARRATIVE: A tornado touched down briefly on a farm six miles northwest of Eagle Butte. Two homes suffered severe structural damage with several pole barns destroyed. Also several pieces of agricultural equipment were damaged or destroyed. A horse was severely injured and had to be put down. Wind speeds were estimated between 120 and 125 mph. EPISODE NARRATIVE: Several supercell thunderstorms brought very heavy rains of 4 to 7 inches, hail up to golfball size, winds to over 100 mph, along with a tornado to parts of north central South Dakota. Dewey county was the most affected by the storms. | |||||||||||
| 40.1 | 1983-06-22 | 2 | 45°55'N / 100°18'W | 0.20 Mile | 13 Yards | 0 | 0 | 25K | 0 | Campbell | |
| 40.7 | 1964-05-05 | 2 | 45°55'N / 100°06'W | 45°41'N / 100°03'W | 16.00 Miles | 880 Yards | 0 | 0 | 250K | 0 | Campbell |
| 41.3 | 1959-07-03 | 2 | 45°30'N / 99°52'W | 0 | 0 | 25K | 0 | Walworth | |||
| 42.2 | 1983-06-21 | 3 | 45°55'N / 100°17'W | 45°54'N / 100°07'W | 6.00 Miles | 600 Yards | 0 | 4 | 250K | 0 | Campbell |
| 42.7 | 1965-06-13 | 2 | 45°53'N / 100°09'W | 45°56'N / 100°13'W | 4.10 Miles | 30 Yards | 0 | 0 | 25K | 0 | Campbell |
| 45.5 | 1955-04-19 | 2 | 45°01'N / 99°56'W | 45°10'N / 99°51'W | 10.80 Miles | 67 Yards | 0 | 0 | 0K | 0 | Potter |
| 46.0 | 1964-06-18 | 2 | 45°12'N / 99°49'W | 45°15'N / 99°47'W | 2.70 Miles | 200 Yards | 0 | 0 | 25K | 0 | Potter |
* 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.