Scientists warn Eyjafjallajokull could trigger the Katla volcano to erupt - by Bruce Tyson - Helium

As European air travel returns to normal and as passengers slowly begin making their way home, we may not have heard the last about the Icelandic volcano, Eyjafjallajokull yet. Scientists have discovered disturbing evidence that the seismic activity from Eyjafjallajokull may be activating a nearby volcano, Katla. If this second volcano erupts, the world could be in for a whole new round of travel delays, disrupted lives, and economic setbacks.