QuakeIndex

Earthquakes in Arizona

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Quiet QuakeIndex 0 / 100

0 quakes of M1.5 or larger in the last 7 days in Arizona. Normal for here is 0 to 1 in a week.

Compared against Arizona's own 10 years · USGS catalogue · updated

The last 30 days

Aug 29 Sep 13 Sep 27
Each mark is a day's largest quake within range; its size is the magnitude. The shaded band is the magnitude a day's largest quake normally falls in here (M2.6–M3.3), from this place's own 10-year record. A mark above the band is a bigger day than usual.

Live · last 7 days

Latest earthquakes in Arizona

None in Arizona in the latest snapshot we hold; the full 7 days load from USGS as this page opens.

Source USGS · snapshot of

Where this is

Centre 33.895, -111.583 — the mean of this state’s place centroids, from the US Census Bureau Gazetteer (2024). Activity is measured across a rectangle drawn around the state, so a few earthquakes just over its border are counted too.

Largest on record in and around Arizona

MagnitudeWhenWhere
M 5.5 71km SE of Estacion Coahuila, B.C., MX
M 4.8 54 km E of San Felipe, Mexico
M 4.8 33 km SSE of Golfo de Santa Clara, Mexico
M 4.6 89km SE of Estacion Coahuila, B.C., MX
M 4.3 46 km ENE of San Felipe, Mexico
M 4.3 Baja California-Sonora border region, Mexico
M 4.3 92km SE of Estacion Coahuila, B.C., MX
M 4.1 17 km S of Golfo de Santa Clara, Mexico

From the QuakeIndex catalogue, built from the USGS FDSN event service · inside a rectangle drawn around Arizona, which takes in some ground over its borders.

Counties in Arizona

After an earthquake here