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Iron County Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Iron County is lower than Utah average and is lower than the national average. The risk of tornado damage in Iron County is about the same as Utah average and is much lower than the national average.

Topics:Earthquake IndexVolcano IndexTornado IndexOther Weather Extremes EventsVolcanos NearbyHistorical Earthquake EventsHistorical Tornado Events

Earthquake Index, #10

Iron County
1.04
Utah
2.02
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, #4

Iron County
0.0318
Utah
0.0191
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, #22

Iron County
2.96
Utah
12.59
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 599 other weather extremes events within 50 miles of Iron County were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:2Blizzard:1Cold:2Dense Fog:0Drought:6
Dust Storm:0Flood:231Hail:69Heat:0Heavy Snow:93
High Surf:0Hurricane:0Ice Storm:0Landslide:1Strong Wind:14
Thunderstorm Winds:111Tropical Storm:0Wildfire:1Winter Storm:30Winter Weather:0
Other:38 

Volcanos Nearby

A total of 6 volcanoes are found in or near Iron County.

Distance (miles)NameRegionLatitudeLongitudeElevation (foot)TypeStatusLast Eruption
39.3KolobUS-Utah, United States37.33-113.122727Volcanic fieldHoloceneUnknown
39.8Markagunt PlateauUS-Utah, United States37.58-112.672840Volcanic fieldDendrochronologyLast known eruption A.D. 1-1499
46.9Santa ClaraUS-Utah, United States37.257-113.6251465Volcanic fieldHoloceneUndated, but probable Holocene eruption
61.6Bald KnollUS-Utah, United States37.328-112.4082135Cinder coneHoloceneUnknown
86.4Black Rock DesertUS-Utah, United States38.97-112.51800Volcanic fieldRadiocarbonLast known eruption A.D. 1-1499
104.1Uinkaret FieldUS-Arizona, United States36.38-113.131555Volcanic fieldHoloceneUndated, but probable Holocene eruption

Historical Earthquake Events

A total of 5 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Iron County.

Distance (miles)DateMagnitudeDepth (km)LatitudeLongitude
17.51981-04-054.6137.63-113.3
11.81971-11-104537.8-113.1
21.81981-02-013.7N/A37.57-113.24
13.71979-01-123.5N/A37.73-113.13
31.61981-01-163.5237.45-113.1

Historical Tornado Events

No historical tornado events that had recorded magnitudes of 2 or above found in or near Iron County.

No historical earthquake events found in or near Iron County.


* 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.


 
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