Iran may be preparing the tools for the Vanishing Imam to use when he comes back, but this will not happen, as every non-Shiite knows. The world exists with a "Mutually Assured Destruction" doctrine, which can also apply to Iran, so a nuclear Iran can be handled. Of course, Israel may be facing danger, and has a right to try and enlist the world to her side, but the same danger does not apply to the world.
Magnitude 6.1 quake hits Panama-Colombia border (Reuters)
from the article: President Peres: Iran ‘greatest danger’ for Israel