The italicized word (magnitude) in the sentence can best be matched by the word: size. This is referring to the size of the disaster, that it is hard to imagine something happening on that size scale.
<span>“He counted his goodly coppers
and cauldrons, his gold and all his clothes, there was nothing missing; still
he kept grieving about not being in his own country, and wandered up and down
by the shore of the sounding sea bewailing his hard fate.” He had accumulated a lot of wealth but still missed his home.</span>
Which word in the sentence is the direct object?
The tired runner poured water on his head to cool down.
water
head
poured
<u>
runner
</u>