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Spring Valley, AZ Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Spring Valley is about the same as Arizona average and is much lower than the national average. The risk of tornado damage in Spring Valley is lower than Arizona average and is much lower than the national average.

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

Earthquake Index, #96

Spring Valley, AZ
0.12
Arizona
0.13
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, #148

Spring Valley, AZ
0.0015
Arizona
0.0015
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, #168

Spring Valley, AZ
9.25
Arizona
22.18
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 499 other weather extremes events within 50 miles of Spring Valley, AZ were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:0Cold:0Dense Fog:0Drought:0
Dust Storm:0Flood:86Hail:169Heat:0Heavy Snow:0
High Surf:0Hurricane:0Ice Storm:0Landslide:0Strong Wind:3
Thunderstorm Winds:144Tropical Storm:0Wildfire:3Winter Storm:0Winter Weather:0
Other:94 

Volcanos Nearby

A total of 1 volcano is found in or near Spring Valley, AZ.

Distance (miles)NameRegionLatitudeLongitudeElevation (foot)TypeStatusLast Eruption
79.3Sunset CraterUS-Arizona, United States35.37-111.52447Cinder coneDendrochronologyLast known eruption A.D. 1-1499

Historical Earthquake Events

A total of 3 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Spring Valley, AZ.

Distance (miles)DateMagnitudeDepth (km)LatitudeLongitude
29.01976-02-045.21234.66-112.5
27.91976-02-094.61034.61-112.53
27.61976-02-233.51034.68-112.43

Historical Tornado Events

A total of 2 historical tornado events that had recorded magnitude of 2 or above found in or near Spring Valley, AZ.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
32.81972-08-10334°45'N / 112°28'W000K0Yavapai
47.02010-10-06234°58'N / 111°52'W35°01'N / 111°52'W3.00 Miles200 Yards000K0KCoconino
 Brief Description: EVENT NARRATIVE: Short path of significant tornado damage between two other tracks near the Mogollon Rim. EPISODE NARRATIVE: A strong low pressure center over California pushed abundant moisture over Arizona producing widespread thunderstorms with numerous severe storms. Strong vertical wind shear...with helicity in the 400-450 range...also provided an environment for supper cell development. There were eight confirmed tornadoes on October 6, 2010 across northern Arizona. This breaks the old record for the most tornadoes in Arizona for one day. The Arizona Governor signed a declaration of emergency for Coconino Country for $200,000 to be used for emergency response and public infrastructure repair.


* 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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