YouA High Vigilance Alert (Level 2/4) was declared following the multiplication of smaller earthquakes beneath the volcano. “There may be rapid growth in the short term”, warned the regional government of the archipelago in its latest press release on Wednesday, 15 September. This alert level does not currently indicate evacuation on the island.
Since Saturday, more than 1,000 low-intensity earthquakes (up to 3.4 on the Richter scale) have been recorded under the Cumbre Vieja volcano, the Canary Islands Volcano Institute (INVOLCAN) said in a statement. An activity involving the displacement of about 11 million cubic meters of magma inside the volcano added to the institute.
This current “swarm” of earthquakes “undoubtedly represents a significant change in the activity of the volcano”, especially because “Recorded earthquakes are more superficial than previous seismic pressures”, he emphasizes.
Faced with the risk of an explosion, the province of the archipelago requested the use of Copernicus’ European system of geospatial measurements. The last eruption of the Cambre Vieja volcano was in 1971.
Of volcanic origin, the Spanish archipelago of the Canaries experienced its last eruption in 2011, this time under water, on the island of El Hierro.
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