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Stillwater County Natural Disasters and Weather Extremes

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

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

Earthquake Index, #12

Stillwater County
0.60
Montana
1.98
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

Stillwater County
0.0009
Montana
0.0002
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, #34

Stillwater County
4.25
Montana
7.73
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 2,131 other weather extremes events within 50 miles of Stillwater County were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:1Blizzard:4Cold:6Dense Fog:0Drought:5
Dust Storm:0Flood:54Hail:1,170Heat:0Heavy Snow:116
High Surf:0Hurricane:0Ice Storm:1Landslide:1Strong Wind:46
Thunderstorm Winds:524Tropical Storm:0Wildfire:32Winter Storm:79Winter Weather:0
Other:92 

Volcanos Nearby

A total of 1 volcano is found in or near Stillwater County.

Distance (miles)NameRegionLatitudeLongitudeElevation (foot)TypeStatusLast Eruption
105.6YellowstoneUS-Wyoming, United States44.43-110.672805CalderaTephrochronologyLast known eruption B.C. (Holocene)

Historical Earthquake Events

No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Stillwater County.

No historical earthquake events found in or near Stillwater County.

Historical Tornado Events

A total of 1 historical tornado event that had recorded magnitude of 2 or above found in or near Stillwater County.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
44.81958-07-02245°48'N / 108°29'W0.50 Mile50 Yards022.5M0Yellowstone


* 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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