Johnson County School District 1 Natural Disasters and Weather Extremes
The chance of earthquake damage in Johnson County School District 1 is lower than Wyoming average and is much lower than the national average. The risk of tornado damage in Johnson County School District 1 is lower than Wyoming average and is much lower than the national average.
Earthquake Index, #16
| Johnson County School District 1 | 0.15 |
| Wyoming | 0.38 |
| 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, #7
| Johnson County School District 1 | 0.0000 |
| Wyoming | 0.0006 |
| 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, #30
| Johnson County School District 1 | 14.88 |
| Wyoming | 30.94 |
| 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 260 other weather extremes events within 50 miles of Johnson County School District 1 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: | 24 | Hail: | 165 | Heat: | 0 | Heavy Snow: | 0 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 0 |
| Thunderstorm Winds: | 56 | Tropical Storm: | 0 | Wildfire: | 2 | Winter Storm: | 0 | Winter Weather: | 0 |
| Other: | 13 | ||||||||
Volcanos Nearby
No volcano is found in or near Johnson County School District 1.
Historical Earthquake Events
A total of 4 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Johnson County School District 1.
| Distance (miles) | Date | Magnitude | Depth (km) | Latitude | Longitude |
| 28.1 | 1984-09-08 | 5.6 | 20 | 44.24 | -106.02 |
| 30.8 | 1984-05-29 | 5 | 18 | 44.23 | -105.96 |
| 20.8 | 1976-09-03 | 4.8 | 10 | 44.04 | -106.15 |
| 40.8 | 1974-09-19 | 4.4 | 10 | 44.11 | -107.38 |
Historical Tornado Events
A total of 1 historical tornado event that had recorded magnitude of 2 or above found in or near Johnson County School District 1.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 45.8 | 1975-07-30 | 2 | 43°49'N / 105°52'W | 43°47'N / 105°37'W | 12.40 Miles | 33 Yards | 0 | 0 | 0K | 0 | Campbell |
* 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.