World Alert Map.

Reports on airplane accidents, avian flu, bioterrorism, chemical accidents, earthquakes, floods, forest fires, snow storms, tropical storm systems, tornadoes, volcanoes etc. are all available in real time all around the world.

The Havaria Information Systems Alert Map is updated in real-time alerting those interested in what's happening around the globe. Icon descriptions can be found here. They also have an RSS feeds for news you want delivered.