Arizona is not a place widely known for earthquakes, even though they are quite common in some of our neighbor states, including California and Nevada.

The most recent quake in the state that had a magnitude of at least 2.0 was on July 7 that affected the towns of Fredonia and Havasu in Arizona’s far northern part. Its magnitude was 3.5, but even though we have not faced overly destructive temblors, the state is holding the Great Arizona ShakeOut Thursday at 10:17 a.m.

Geologist Michael Conway of the Arizona Geological Survey explained what the event is all about.