Grant County Natural Disasters and Weather Extremes
The chance of earthquake damage in Grant County is about the same as Nebraska average and is much lower than the national average. The risk of tornado damage in Grant County is much lower than Nebraska average and is much lower than the national average.
Earthquake Index, #15
| Grant County | 0.04 |
| Nebraska | 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
| Grant County | 0.0000 |
| Nebraska | 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, #84
| Grant County | 25.70 |
| Nebraska | 205.07 |
| 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 6,978 other weather extremes events within 50 miles of Grant County 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: | 6 | Cold: | 2 | Dense Fog: | 0 | Drought: | 1 |
| Dust Storm: | 0 | Flood: | 138 | Hail: | 4,951 | Heat: | 0 | Heavy Snow: | 7 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 24 |
| Thunderstorm Winds: | 1,634 | Tropical Storm: | 0 | Wildfire: | 5 | Winter Storm: | 31 | Winter Weather: | 0 |
| Other: | 179 | ||||||||
Volcanos Nearby
No volcano is found in or near Grant County.
Historical Earthquake Events
A total of 1 historical earthquake event that had a recorded magnitude of 3.5 or above found in or near Grant County.
| Distance (miles) | Date | Magnitude | Depth (km) | Latitude | Longitude |
| 28.0 | 1978-05-07 | 4.3 | 15 | 42.3 | -101.93 |
Historical Tornado Events
A total of 9 historical tornado events that had recorded magnitude of 2 or above found in or near Grant County.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 29.5 | 1977-05-18 | 2 | 42°10'N / 101°33'W | 42°19'N / 101°13'W | 19.70 Miles | 50 Yards | 0 | 0 | 25K | 0 | Cherry |
| 41.8 | 2003-06-20 | 2 | 41°24'N / 102°14'W | 41°26'N / 102°12'W | 1.50 Miles | 100 Yards | 0 | 0 | 100K | 8K | Garden |
| Brief Description: The tornado touched down near the North Platte River and destroyed an old barn and snapped off trees before moving north across Highway 26 and taking down power poles. After moving across the highway, it destroyed three outbuildings, three grain bins, a large machine shed, and a two car detached garage and broke off numerous large trees at a farmstead. It continued to move north-northeast and destroyed three wind mills and three center pivot irrigation systems and threw 1/2 ton hay bales one quarter mile into a corn field. | |||||||||||
| 42.4 | 1980-10-15 | 2 | 41°24'N / 102°12'W | 41°23'N / 102°10'W | 0 | 0 | 250K | 0 | Garden | ||
| 43.3 | 1983-07-15 | 2 | 41°18'N / 101°55'W | 0.30 Mile | 100 Yards | 0 | 0 | 250K | 0 | Keith | |
| 43.6 | 1957-04-08 | 2 | 42°22'N / 102°21'W | 42°28'N / 102°12'W | 9.80 Miles | 880 Yards | 0 | 0 | 250K | 0 | Sheridan |
| 47.0 | 1960-08-16 | 2 | 41°24'N / 102°21'W | 0 | 0 | 25K | 0 | Garden | |||
| 49.4 | 1980-08-10 | 2 | 42°14'N / 102°41'W | 42°04'N / 102°39'W | 11.30 Miles | 30 Yards | 0 | 0 | 25K | 0 | Sheridan |
| 49.7 | 1972-07-27 | 2 | 42°37'N / 101°32'W | 1.00 Mile | 440 Yards | 0 | 0 | 3K | 0 | Cherry | |
| 49.8 | 1970-06-25 | 2 | 41°12'N / 101°38'W | 0.30 Mile | 33 Yards | 0 | 0 | 25K | 0 | Keith | |
* 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.