Portent

In James Herbert's Portent it is the near future and signs of an impending global disaster are multiplying. Earthquakes, floods and volcanic eruptions sweep the earth. As the storms and tempests rage, a series of ominous events signal the emergence of a new and terrifying force.

While scuba-diving on the Great Barrier Reef a diver watches fascinated as a tiny light floats past him towards the surface. Moments later he is torn to pieces as the reef erupts with colossal power.