How big will the Big One be in utah?
How big will the Big One be in utah? Just how big is big? “I wanted to give you a little context, the magnitude 5.7 earthquake that we had in Magna in 2020 March, we all remember that. If we had magnitude 6 in the valley, it's three times stronger than that one,” Keach said. “A magnitude 6.75 is going to be 38 times that.
Is a 10.0 earthquake possible in California?
No, earthquakes of magnitude 10 or larger cannot happen. The magnitude of an earthquake is related to the length of the fault on which it occurs. That is, the longer the fault, the larger the earthquake.