The God of seas , oceans , rivers , fountains and lakes. His attribute is a three-point harpoon representing the birth of waves and lightnings .
Poseidon is fearful because he is the god of rough seas rather than fair weather . As the ancient peoples believed that tremors came from sea tempests, Poseidon is also the god of earthquakes.
In this way , Poseidon is supposed to be the symbol of the leading waters; he is the underground expression of vital energies