»Arizona

Earthquake Information for Arizona

There are 2,452 earthquake incidents in Arizona on record since 1931. The state averages 30 earthquakes per year. The largest earthquake on record for Arizona occurred on 04/29/1954, with a depth of 15.0 miles and a magnitude of 7.1 on the Richter scale in Pima County, AZ.

Yearly Average Number of Earthquakes in Arizona

30

Total Number of Earthquakes in Arizona since 1931

2,452

Counties With The Highest Risk Of Earthquakes

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2/6/2024 - 2.0 mag, 17.0mi depth 8.36832 mi from Fredonia, AZ

2/6/2024 - 2.0 mag, 17.0mi depth 8.36832 mi from Fredonia, AZ

Apache County, AZ Probability: 1.608%

Navajo County, AZ Probability: 2.197%

Maricopa County, AZ Probability: 5.661%

La Paz County, AZ Probability: 5.695%

Pima County, AZ Probability: 10.786%

Santa Cruz County, AZ Probability: 12.869%

Pinal County, AZ Probability: 14.045%

Yuma County, AZ Probability: 14.419%

Cochise County, AZ Probability: 15.210%

Mohave County, AZ Probability: 17.203%

Graham County, AZ Probability: 17.312%

Greenlee County, AZ Probability: 17.517%

Gila County, AZ Probability: 19.803%

Yavapai County, AZ Probability: 20.620%

Coconino County, AZ Probability: 37.178%

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Arizona Counties With The Most Earthquakes

Yuma County, AZ Earthquake Report (964)
Pima County, AZ Earthquake Report (386)
Cochise County, AZ Earthquake Report (312)
Santa Cruz County, AZ Earthquake Report (281)
Coconino County, AZ Earthquake Report (82)
Mohave County, AZ Earthquake Report (51)
Yavapai County, AZ Earthquake Report (21)
Greenlee County, AZ Earthquake Report (13)
Gila County, AZ Earthquake Report (9)
Navajo County, AZ Earthquake Report (7)
Apache County, AZ Earthquake Report (3)

Earthquake Information for Arizona

Arizona Counties With The Most Earthquakes

Earthquakes in Arizona By Year Since 1931

earthquake report by city

Related Pages

Arizona Earthquake by county