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San Juan County Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in San Juan County is much lower than Utah average and is much lower than the national average. The risk of tornado damage in San Juan County is lower than 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, #29

San Juan County
0.01
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, #18

San Juan County
0.0000
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, #29

San Juan County
1.02
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 476 other weather extremes events within 50 miles of San Juan County were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:0Cold:0Dense Fog:0Drought:1
Dust Storm:0Flood:145Hail:75Heat:0Heavy Snow:0
High Surf:0Hurricane:0Ice Storm:0Landslide:0Strong Wind:0
Thunderstorm Winds:84Tropical Storm:0Wildfire:55Winter Storm:0Winter Weather:0
Other:116 

Volcanos Nearby

No volcano is found in or near San Juan County.

Historical Earthquake Events

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

No historical earthquake events found in or near San Juan County.

Historical Tornado Events

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

No historical earthquake events found in or near San Juan 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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