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Maricopa County Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Maricopa County is about the same as Arizona average and is much lower than the national average. The risk of tornado damage in Maricopa County is higher 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, #8

Maricopa County
0.08
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, #10

Maricopa County
0.0000
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, #1

Maricopa County
42.74
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 2,000 other weather extremes events within 50 miles of Maricopa 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:3Flood:268Hail:303Heat:0Heavy Snow:0
High Surf:0Hurricane:0Ice Storm:0Landslide:0Strong Wind:3
Thunderstorm Winds:1,044Tropical Storm:0Wildfire:10Winter Storm:0Winter Weather:0
Other:368 

Volcanos Nearby

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

Distance (miles)NameRegionLatitudeLongitudeElevation (foot)TypeStatusLast Eruption
123.4PinacateMexico, Mexico31.772-113.4981200Cinder coneHoloceneUndated, but probable Holocene eruption

Historical Earthquake Events

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

No historical earthquake events found in or near Maricopa County.

Historical Tornado Events

A total of 6 historical tornado events that had recorded magnitude of 2 or above found in or near Maricopa County.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
11.71968-10-03233°30'N / 112°24'W33°30'N / 112°25'W03250K0Maricopa
15.01971-09-14233°27'N / 112°16'W0025K0Maricopa
34.21972-06-21233°28'N / 112°00'W33°39'N / 111°55'W13.50 Miles33 Yards0325.0M0Maricopa
35.01971-08-30233°22'N / 111°55'W33°25'N / 111°52'W4.70 Miles400 Yards0412.5M0Maricopa
39.01993-01-17233°37'N / 111°54'W2.10 Miles50 Yards005.0M0Maricopa
 Brief Description: Eighteen homes sustained damage, 4 with major damage, many trees and signs blown over by tornado. Most damage occurred when the tornado moved east from 59th and Clinton to 72nd and Cholla. Controllers from the nearby Scottsdale Airport watched this tornado move through this ,north Scottsdale residential area.
43.11968-07-04233°24'N / 111°45'W0225K0Maricopa


* 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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