El Hierro underwater volcano erupting
By Chris Carrington
A 5.4 earthquake yesterday marked a change in the small, low level earthquake swarm that have been a feature of life in the Canary Islands for more than two years. The underwater volcano that appeared just off the coast of El Hierro two years ago has also changed in height, increasing more than four inches in just a couple of days. This rapid inflation is increasing in pace, and harmonic tremors have been recorded, and they also are increasing as the day moves on. Both the rise in height and the increasing harmonic tremor indicates that magma is moving into the system and that the pressure is building within the volcano.
A vent opened near the village of La Restinga in 2011 and high Radon gas emissions in the area indicate that magma is once again on the move. The Radon, which is heavier…
View original post 255 more words