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Pennington County Natural Disasters and Weather Extremes

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

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

Earthquake Index, #5

Pennington County
0.20
South Dakota
0.05
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

Pennington County
0.0000
South Dakota
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, #45

Pennington County
54.24
South Dakota
114.73
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 5,582 other weather extremes events within 50 miles of Pennington County were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:17Cold:2Dense Fog:0Drought:0
Dust Storm:0Flood:146Hail:3,497Heat:1Heavy Snow:14
High Surf:0Hurricane:0Ice Storm:1Landslide:0Strong Wind:98
Thunderstorm Winds:1,637Tropical Storm:0Wildfire:30Winter Storm:32Winter Weather:2
Other:105 

Volcanos Nearby

No volcano is found in or near Pennington 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 Pennington County.

Distance (miles)DateMagnitudeDepth (km)LatitudeLongitude
35.21966-06-264.1N/A44.3-103.4

Historical Tornado Events

A total of 7 historical tornado events that had recorded magnitude of 2 or above found in or near Pennington County.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
19.21967-06-18244°04'N / 103°12'W1.00 Mile150 Yards032.5M0Pennington
23.11991-05-11244°11'N / 103°13'W1.00 Mile300 Yards05250K0Meade
23.81991-05-11344°12'N / 103°13'W2.00 Miles500 Yards0202.5M0Meade
29.01966-06-22243°41'N / 103°14'W43°42'N / 103°12'W0025K0Custer
30.11966-07-23243°58'N / 103°28'W43°56'N / 103°23'W3.80 Miles440 Yards0525K0Pennington
37.61965-06-11243°49'N / 103°32'W003K0Custer
47.31969-07-23244°18'N / 103°41'W0.20 Mile33 Yards000K0Lawrence


* 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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