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El Hierro volcan

Updated: 2 mars. 2024 03:29 GMT -
shield volcano 1500 m / 4921 ft
Canary Islands (Spain), 27.63°N / -17.99°W
Condition actuelle: normal / en sommeil (1 sur 5)
Last update: 15 déc. 2021

The triangular island of El Hierro is the SW-most and least studied of the Canary Islands.
Following intense earthquake swarms since July 2011, a new submarine eruption started in Oct 2011 at a vent ca. 1 km south of La Restinga off the southern tip of the island. The eruption, which could even start to build a new island, is ongoing at the time of updating. Follow the El Hierro news page for the latest events.

Montrer carte interactive
Style éruptif tipique: mainly effusive, basaltic fissure eruptions
Eruptions du volcan El Hierro: 2012 (?) (probable second submarine eruption in June-July west of the island), 2011-12 (Oct-Mar, submarine eruption near La Restinga), 1793

Derniers séismes proches

HeureMag. / ProfondeurDistance/Lieu
27 févr. 03:30 (Canary)
27 févr.. 02:30 GMT

1.9

13 km
6.1 km au nord-ouest 12 km au sud de Frontera, Espagne Plus
dimanche, 25 février 2024 GMT (1 séisme)
25 févr. 20:25 (Canary)
25 févr.. 19:25 GMT

2.4

11 km
8.3 km au nord 6.6 km au sud de Frontera, Espagne Plus
vendredi, 23 février 2024 GMT (1 séisme)
23 févr. 23:25 (Canary)
23 févr.. 22:25 GMT

2.2

27 km
4.4 km à l'ouest 15 km au sud de Frontera, Espagne Plus

Introduction

The massive El Hierro shield volcano is truncated by a large NW-facing escarpment formed as a result of gravitational collapse of El Golfo volcano about 130,000 years ago. The steep-sided 1500-m-high scarp towers above a low lava platform bordering 12-km-wide El Golfo Bay, and three other large submarine landslide deposits occur to the SW and SE. Three prominent rifts oriented NW, NE, and south at 120 degree angles form prominent topographic ridges. The subaerial portion of the volcano consists of flat-lying Quaternary basaltic and trachybasaltic lava flows and tuffs capped by numerous young cinder cones and lava flows. Holocene cones and flows are found both on the outer flanks and in the El Golfo depression. El Hierro contains the greatest concentration of young vents in the Canary Islands. Uncertainty surrounds the report of an historical eruption in 1793 at Volcano of Lomo Negro. Source: Smithsonian GVP


See also: Sentinel hub | Landsat 8 | NASA FIRMS
ven., 10 févr. 2017, 08:51

El Hierro volcano (Canary Islands): magnitude 2.9 earthquake

Location of last night's earthquake near La Restinga (El Hierro)
A magnitude 2.9 earthquake at 14 km depth occurred last night (shortly before 23pm) approx. 7 km southwest of La Restinga. Read all
lun., 17 mars 2014, 08:57

El Hierro volcano update: new pulse of volcanic tremor near La Restinga ?

Current seismic signal at CRST station in La Restinga (IGN)
What looks like a new swarm of earthquakes accompanied by strong harmonic tremor appeared on the southernmost seismic station at La Restinga. If it is not due to some local, human-induced work or malfunction, it suggests that the quakes are very shallow, since they don't appear on the signals of other stations. ... Read all
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