The 7 Trumpets is God's last wake up call before he pour out is bowl of judgement on the world and the people of the world. From the bible's prespective the scene from these plagues are undescribable, unthinkable, and unimagenable.
The Day Trumpet 1 Hits Earth
Revelation 8:7 The first angel sounded his trumpet, and there came hail and fire mixed with blood, and it was hurled down upon the earth. A third of the earth was burned up, a third of the trees were burned up, and all the green grass was burned up.The Day Trumpet 2 Hits Earth
Revelation 8:8 The second angel sounded his trumpet, and something like a huge mountain, all ablaze, was thrown into the sea. A third of the sea turned into blood.The Day Trumpet 3 Hits Earth
Revelation 8:10 The third angel sounded his trumpet, and a great star, blazing like a torch, fell from the sky on a third of the rivers and on the springs of water. The star was named "wormwood."
The Day Trumpet 4 Hits Earth
Revelation 8:12 The fourth angel sounded, and a third of the sun and a third of the moon and a third of the stars were struck, so that a third of them would be darkened and the day would not shine for a third of it, and the night in the same way.