Greybull, WY Natural Disasters and Weather Extremes
The chance of earthquake damage in Greybull is lower than Wyoming average and is much lower than the national average. The risk of tornado damage in Greybull is about the same as Wyoming average and is much lower than the national average.
Earthquake Index, #243
| Greybull, WY | 0.02 |
| 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, #37
| Greybull, WY | 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, #55
| Greybull, WY | 40.86 |
| 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 247 other weather extremes events within 50 miles of Greybull, WY 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: | 1 |
| Dust Storm: | 0 | Flood: | 10 | Hail: | 131 | Heat: | 0 | Heavy Snow: | 0 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 0 |
| Thunderstorm Winds: | 83 | Tropical Storm: | 0 | Wildfire: | 0 | Winter Storm: | 0 | Winter Weather: | 0 |
| Other: | 22 | ||||||||
Volcanos Nearby
No volcano is found in or near Greybull, WY.
Historical Earthquake Events
A total of 1 historical earthquake event that had a recorded magnitude of 3.5 or above found in or near Greybull, WY.
| Distance (miles) | Date | Magnitude | Depth (km) | Latitude | Longitude |
| 42.8 | 1974-09-19 | 4.4 | 10 | 44.11 | -107.38 |
Historical Tornado Events
A total of 10 historical tornado events that had recorded magnitude of 2 or above found in or near Greybull, WY.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 3.3 | 1978-07-04 | 2 | 44°30'N / 108°00'W | 5.00 Miles | 200 Yards | 0 | 1 | 250K | 0 | Big Horn | |
| 9.9 | 1967-07-24 | 2 | 44°22'N / 108°10'W | 0 | 0 | 3K | 0 | Big Horn | |||
| 11.9 | 1962-07-09 | 2 | 44°22'N / 108°14'W | 0.50 Mile | 17 Yards | 0 | 0 | 3K | 0 | Big Horn | |
| 14.2 | 1958-06-03 | 2 | 44°32'N / 107°47'W | 0.20 Mile | 17 Yards | 0 | 0 | 25K | 0 | Big Horn | |
| 16.5 | 1962-06-12 | 2 | 44°29'N / 108°24'W | 0.50 Mile | 33 Yards | 0 | 0 | 3K | 0 | Big Horn | |
| 24.4 | 1985-08-02 | 3 | 44°50'N / 107°57'W | 0.20 Mile | 10 Yards | 0 | 0 | 0K | 0 | Big Horn | |
| 27.1 | 1959-06-26 | 2 | 44°30'N / 107°33'W | 44°38'N / 107°30'W | 9.20 Miles | 333 Yards | 1 | 1 | 3K | 0 | Big Horn |
| 38.1 | 1964-06-26 | 2 | 44°45'N / 108°45'W | 1.00 Mile | 50 Yards | 0 | 0 | 25K | 0 | Park | |
| 39.7 | 1978-07-11 | 2 | 44°40'N / 108°50'W | 0.40 Mile | 200 Yards | 0 | 0 | 25K | 0 | Park | |
| 46.0 | 2001-07-10 | 2 | 43°50'N / 108°13'W | 43°50'N / 108°13'W | 0.50 Mile | 50 Yards | 0 | 0 | 0 | 0 | Hot Springs |
| Brief Description: Eyewitnesses reported 2 brief touchdowns. Mobile home destroyed and barn damaged, approximately 1/4 mile apart. Property damage amounts unknown. Water at least 3 feet deep caused considerable damage to mobile home and fences. Three horses injured. | |||||||||||
* 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.