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Diaporama
Actualités
Earthquakes under La Palma Island during Oct 2017
dimanche, oct. 15, 2017
Recently, new seismic activity has started under the Cumbre Vieja volcano, which is the historical active volcano of the island (occupying its southern half). Two small earthquake swarms occurred during 8-9 and 13 Oct under the southern part of the island. ... [details]
Location of last night's earthquake near La Restinga (El Hierro)
vendredi, févr. 10, 2017
A magnitude 2.9 earthquake at 14 km depth occurred last night (shortly before 23pm) approx. 7 km southwest of La Restinga. ... [details]
 

Volcans en Canary Islands (7 volcans)

El Hierro| Fuerteventura| Gran Canaria| La Gomera| La Palma| Lanzarote| Tenerife
The Canary Islands are a chain of volcanic ocean islands located off North Africa's west coast (Western Sahara and Morocco). The islands are the type example of oceanic hot spot volcanoes above a slow-moving, thick oceanic plate.
The age of volcanism decreases from east to west, as the Atlantic plate slowly moves ENE above the Canarian Hot Spot. From the oldest to the youngest, the islands are Lanzarote, Fuerteventura, Gran Canaria, Tenerife, La Gomera, La Palma and El Hierro.
Lanzarote and Fuerteventura, the oldest islands, are in their erosional stage and recent volcanic activity is explained by a secondary mantle convection at the continental margin.
Gran Canaria and Tenerife are in the post shield phase with rejuvenated volcanism. Rejuvenated volcanism has not yet started at La Gomera, which is in the erosional stage after the shield building phase has ended, and might skip this stage, as no volcanism has occurred for 2-3 million years and volcanic pathways have probably sealed.
La Palma and El Hierro, the youngest of the island chain, are still above the hot spot and in their shield building phase.
El Hierro
(volcan bouclier)
L'île triangulaire de El Hierro est le SW-plus et moins étudié des îles Canaries. [informations]

Fuerteventura
(volcan bouclier)
Pleistocene and Holocene cinder cones and lava flows cover large portions of elongated Fuerteventura Island at the SE end of the Canary Islands. [informations]

Gran Canaria
(volcan bouclier)
The largely Miocene-to-Pliocene island of Gran Canaria in the middle of the Canary archipelago has been strongly eroded into steep-walled radial gorges called barrancos. [informations]

La Gomera
(volcan bouclier)
L'une des îles volcaniques plus entretenus des Canarians. Très vieux stratovolcan éteint d'âge probablement de l'Holocène. [informations]

La Palma
(volcan bouclier)
The 47-km-long wedge-shaped island of La Palma, the NW-most of the Canary Islands, is composed of two large volcanic centers. [informations]

Lanzarote
(volcan bouclier)
The 60-km-long island of Lanzarote at the NE end of the Canary Islands contains the largest concentration of youthful volcanism in the Canaries. [informations]

Tenerife
(volcan bouclier)
The large triangular island of Tenerife is composed of a complex of overlapping Miocene-to-Quaternary stratovolcanoes that have remained active into historical time. [informations]
 

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