It would be more likely explode in the air, releasing about a megaton of energy.
From the newscientist.com
Early ballistic missiles carried a single warhead, often of megaton-range yield.
From the en.wikipedia.org
The largest of these blasts was a 15 megaton test on 1 March 1954, code-named Bravo.
From the newscientist.com
Probably an existential threat to Israel and Palestine if it was of a megaton or more.
From the evangelicaloutpost.com
A ton of TNT, and its multiples the kiloton, the megaton, and the gigaton.
From the en.wikipedia.org
After all, silica, sand, can be picked up far more easily in the megaton range than wood?
From the newscientist.com
When strung together properly, apparently innocent modifiers can acquire megaton force.
From the time.com
Normally, China's DF-5 ICBM carries a 5 megaton thermonuclear warhead.
From the nation.time.com
A five-megaton blast within a mile of a missile silo will destroy it.
From the time.com
More examples
A measure of explosive power (of an atomic weapon) equal to that of one million tons of TNT
One million tons
TNT equivalent is a method of quantifying the energy released in explosions. The ton (or tonne) of TNT is a unit of energy equal to 4.184 gigajoules, which is approximately the amount of energy released in the detonation of one ton of TNT. The megaton is a unit of energy equal to 4.184 petajoules .
Megaton is an UK video games magazine published every four weeks by Sky Jack publishing. It is aimed at children.
A measure of the strength of an explosion or a bomb based on how many million tons of TNT would be needed to produce the same energy
A unit of energy used to describe nuclear warheads. The same amount energy as 1 million tons of TNT.
The energy of an explosion that is equivalent to an explosion of 1 million tons of TNT. One megaton is equal to a quintillion (1018) calories. See also kiloton.