The phrase "a terrific explosion" is correct and usable in written English.
It can be used to describe an explosion that is impressive or remarkable, often in a dramatic or exaggerated context.
Example: "The fireworks display ended with a terrific explosion that lit up the night sky."
Alternatives: "a tremendous explosion" or "an amazing explosion".
"What caused this large hole I do not know, but it must have been the result of a terrific explosion," Kernodle later wrote.
A dim light emerges and then, suddenly, there is a terrific explosion: a man, you quickly realize, has plunged into the water feet first.
At ten o'clock, while I was in a house midway down the line, a terrific explosion sounded near the elementary school.
1937 Hindenburg Explosion Kills 100 LAKEHURST, N.J. — Rocked by a terrific explosion, the German airship Hindenburg burst into flames here at 7 20 tonight [May 6] and crashed to the ground, carrying the crew and passengers to their death in a twisted blazing inferno.
Aged eight, she was getting ready for school when she heard "a terrific explosion", he said.
On applying a glowing splint there was an immediate and terrific explosion, which was heard throughout the Department and was regarded by those in the more remote rooms as a student's reminder that November 5 was not far distant.
The truth is that the success of "Kung Fu Panda" is taking place within a context of a considerable cultural flourishing that seems to have used China's traditions and history to tremendous effect, in movies by directors like Zhang Yimou and Chen Kaige, and in the terrific explosion of contemporary Chinese painting.
Our politics at the moment actually seem to be encouraging it; and our otherwise terrific explosion in new media outlets for information and debate... Fast forward.
A tremendous explosion followed.
Ominous fires, accompanied by terrific explosions from bombs and shells left behind by the Chinese, continue to destroy Nantao.
