It was a massive earthquake, the likes of which had never been seen before by anyone. There were only ancient records of the old times telling the stories of ruinous earthquakes that created valleys instantly and easily devoured entire cities.
Rivers were created, and some were stopped. That was the power of nature, and nobody could do anything about it. A Supreme Wizard could, in theory, but why would they? Even the old and wise Supreme Wizards understand the repercussions of disturbing a process of nature.
If it's something good, it's inevitable. And if it's something destructive, it's inevitable too. One may be able to delay it, but the inevitable always happens.
