Jesus described these final 3 1/2 years as "the great tribulation, such as has not occurred since the beginning of the world until now, nor ever will. Unless those days had been cut short, no life would have been saved." Matthew 24:21-22
Let's look at things from a Heavenly view before we study the wrath of God upon Earth
Revelation 4 After this I looked, and behold, a door standing open in heaven! And the first voice, which I had heard speaking to me like a trumpet, said, “Come up here, and I will show you what must take place after this.” 2 At once I was in the Spirit, and behold, a throne stood in heaven, with one seated on the throne.