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El Hierro Earthquake Update : 12th March

Mon 12th Mar 2012

Following on from the announcement made last week by the Scientific Committee of Civil Protection Plan for Volcanic Risk (PEVOLCA), that the eruptive phase of the underwater volcano of the coast of El Hierro had ended, it now seems that the statement may have bean a little premature.

Yesterday a number of scientists observed a slight degassing of the underwater vent in the Las Calmas bay, off the Coast of La Restinga, which has resulted in a light jacuzzi action and very feint stain being produced on the surface. it has been suggested that this activity is down to the magma and the seabed releasing heat which has been absorbed over past weeks.

Even though the 'eruptive phase' of the vent on the south of the island had been reported as having ended, the on-going earthquake swarm and seismic activity to the north of the island has continued.

Although the activity has beeb decreasing over rececent weeks and months, Scientists from the National Geological Institute (IGN) have recorded 11 earthquakes over the course of the last 10 days. This sees activity falling from the 25 - 27 earthquakes per week recorded over previous weeks, and considerably less that than the activity before December when as many as 60 plus activities per week were commonplace.

Once again, the ongoing pattern of the majority of activities taking place in the area between Frontera and Pinar toward the North-West of the Island continues, with magnitudes ranging between 1.5 to 2.0 on the richter scale, and at depths ranging from between 8 to 37kms, with the majority of activity occuring at depths of around 11 - 12kms.

Two activities took place in the area immediately surrounding the Canary Islands - to the south-west of la Palma - at magnitudes of 1.9 and 2.7. The Canary Island of La Palma has long been thought by many Geologists to have the potential to cause an enormous Tsunami, and is why seismic and volcanic activity in the Canary Islands continues to hold the attention of so many scientists and amateur observers alike.

The Youtube clip attached show a good graphical theory on what may happen if continued seismic activity were to occur on La Palma >>>

Read previous news stories about the El Hierro Volcano by clicking the link HERE .

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