The first four trumpet plagues are all physical events which are divinely orchestrated to start the supernatural punishment of those on the earth.
The First Trumpet Plague
7 The first angel sounded, and there followed hail and fire mingled with blood, and they were cast upon the earth: and the third part of trees was burnt up, and all green grass was burnt up.
The 1st trumpet plague is the remnant of a near miss by an asteroid. Asteroids are made of ice which accounts for the hail and the fire is the ice burning up during the passage through the atmosphere. This event is different from the 6th seal stars falling to earth (meteors which are rocks). The pieces of the asteroid are so massive that large parts of them survive the atmosphere and strike the earth with immense force. This causes 1/3 of the trees and all the green grass to be burned up.
In 1908, a rocky meteoroid less than 100 meters in diameter is believed to have entered the atmosphere over the Tunguska region of Siberia. The resulting shock wave knocked down trees for hundreds of square miles around the impact site.
The Second Trumpet Plague
8 And the second angel sounded, and as it were a great mountain burning with fire was cast into the sea: and the third part of the sea became blood; 9 And the third part of the creatures which were in the sea, and had life, died; and the third part of the ships were destroyed.
This section of Revelation is describing a great mountain (comets are made of rock) impacting the Pacific ocean (which is about 1/3 of the earth’s water area). The energy released by this massive impact causes the entire ocean to boil, giving the appearance of blood as the silt and mud is mixed into the boiling water. This would kill all animal life in that part of the ocean and destroy all of the ships in the Pacific.
The Third Trumpet Plague
10 And the third angel sounded, and there fell a great star from heaven, burning as it were a lamp, and it fell upon the third part of the rivers, and upon the fountains of waters; 11 And the name of the star is called Wormwood: and the third part of the waters became wormwood; and many men died of the waters, because they were made bitter.
The nucleus of a comet is composed of rock, dust, water ice, and frozen gases such as carbon dioxide, carbon monoxide, methane, and ammonia. If a large comet entered the atmosphere at a shallow angle it would break up during the passage depositing frozen pellets of ammonia and methane over the earth poisoning the water supply under its path. Ammonia dissolved in water is toxic causing convulsions, coma and death.
The Fourth Trumpet Plague
12 And the fourth angel sounded, and the third part of the sun was smitten, and the third part of the moon, and the third part of the stars; so as the third part of them was darkened, and the day shone not for a third part of it, and the night likewise.
The dust, smoke and steam thrown into the atmosphere by the first three heavenly missiles striking the earth could cause the jet stream to fail or even change from a west to east path into a polar one. As the earth rotates through this thick band of dust and smoke visibility of the sun and then the stars is blotted out for 4 hours during the day and 4 hours during the night.
The Three Woes
13 And I beheld, and heard an angel flying through the midst of heaven, saying with a loud voice, Woe, woe, woe, to the inhabiters of the earth by reason of the other voices of the trumpet of the three angels, which are yet to sound!
The next 3 trumpet plagues are so severe they are declared as the three woes on the inhabitants of the earth.