Poseidon's anger manifested itself in storms and rogue waves that threatened ships and ports alike. Even further inland, he could strike his trident to cause city-levelling earthquakes and floods.

Why did Poseidon get angry?

The blinding of Polyphemus was given in Homer's Odyssey as the cause of Poseidon's anger toward Odysseus. The cyclops was the sea god's son, and he was motivated to avenge the man who had blinded him. This justification seems unusual, however.

Who was Poseidon mad at?

Poseidon, who supported Troy in the Trojan War, is angry at Odysseus for being a powerful Greek warrior who helped defeat his favored side. Odysseus is also a source of anger for being under the protection of Athena, an enemy of Poseidon's. But Odysseus especially raises the ire of Poseidon...