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Petroleum County Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Petroleum County is much lower than Montana average and is much lower than the national average. The risk of tornado damage in Petroleum 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, #48

Petroleum County
0.00
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, #7

Petroleum County
0.0000
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, #19

Petroleum County
8.39
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 2,409 other weather extremes events within 50 miles of Petroleum County were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:11Cold:2Dense Fog:0Drought:6
Dust Storm:0Flood:76Hail:1,331Heat:0Heavy Snow:63
High Surf:0Hurricane:0Ice Storm:3Landslide:0Strong Wind:58
Thunderstorm Winds:720Tropical Storm:0Wildfire:12Winter Storm:28Winter Weather:0
Other:99 

Volcanos Nearby

No volcano is found in or near Petroleum County.

Historical Earthquake Events

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

No historical earthquake events found in or near Petroleum County.

Historical Tornado Events

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

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
13.61962-08-07247°18'N / 108°24'W2.00 Miles10 Yards003K0Petroleum
41.21981-05-28247°21'N / 109°03'W1.50 Miles100 Yards000K0Fergus


* 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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