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The partial rupture this morning of the cone of the volcano that is erupting on the Spanish island of The Palm, in the Atlantic archipelago of the Canary Islands, this Saturday put the teams in charge of evacuating threatened areas on alert, by generating several new lava flows, one of them very abundant, which has already razed several buildings.
In total, there are three lava flows that have occurred with the rupture of the volcanic cone, two of them of less danger, since they have little force, and a third that is the one that has devastated a small number of houses, and that It is monitoring, although experts consider that due to the speed with which it descends, it would give time to evacuate the necessary areas.
Drone video at 1030 after new vent opened in the fracture zone / Drone video at 1030 after new vent opened in the fracture zone @ES_UCL @UOBFlightLab @unipa_it pic.twitter.com/q65T157fUg
— INVOLCAN (@involcan) October 2, 2021
LOOK: The lava from the La Palma volcano reaches the sea and generates toxic gases | PHOTOS
The partial separation of the cone also caused the expulsion of large blocks of volcanic material and it cannot be ruled out that new emission centers arise around the crater, according to the latest assessments by volcanologists.
The so-called lava delta (“fajana”), which runs the risk of collapsing, if it continues its advance to greater depths in the ocean, which would be accompanied by the sudden release of gases, is also of concern. with explosions and waves.
The lava flow has accelerated in the descent from the Mountain of Tres Picos in Tazacorte, after descending through the nucleus of Pampillo. It has already buried the La Costa highway, the last connection to the Southwest of the Island from the Aridane Valley. #lavalapalma #volcanolapalma pic.twitter.com/jE87pPElnT
— El Time (@ElTimeLaPalma) September 28, 2021
However, these waves would not exceed five meters in the vicinity of the break and would decrease in height with distance, in the opinion of the experts.
IMPROVES AIR QUALITY AND INCREASES SEISMIC MOVEMENTS
The specialists pointed out today that the air quality, which is being constantly monitored to avoid poisoning by the gases and ashes that the volcano expels, is “reasonably good” and foreseeably tomorrow it will be even better, but in any case at no time have they been exceeded the quality thresholds with which they work.
SIGHT: LIVE | The cone of the La Palma volcano breaks and leaves a huge wash towards the sea | PHOTOS
On the contrary, seismic movements increased in the last hours, with the highest intensity movement set at magnitude 4.1, but earthquakes are still located at great depth, around 25 kilometers, so the possibility of a new The eruptive center away from the main cone is “extremely rare” at the moment, in the opinion of volcanologists.
The lava flow has already crossed the Carretera de la Costa / The lava flow has already crossed the Carretera de la Costa #LaPalma #LaPalmaEruption #EruptionLaPalma pic.twitter.com/kinjat56tb
— INVOLCAN (@involcan) September 28, 2021
NO ANTICIPATION OF THE VOLCANO GOING OFF
The lava has already affected an area of 492.75 hectares, and today it is not ruled out that in a new measurement the width of the wash will increase, which on Friday was still located at 1,250 meters.
Meanwhile, 225 people are still staying in hotels after being evacuated from their homes since the beginning of the eruption, on September 19.
The Canary Islands authorities hope that in the next 36 hours there will be a favorable scenario for the operation of the airports of the archipelago, because the winds will drag the gases towards another direction, although two other Canary Islands, La Gomera and El Hierro, may be affected by the arrival of ash.
SIGHT: The dangerous chemical reaction that will occur when lava from the La Palma volcano reaches the ocean
For a few days, the eruption of the volcano, located in the area known as Cumbre Vieja, has been in a stable phase or “valley”, although scientists predict that its activity will continue for a long time.
La Cumbre Vieja is one of the most active volcanic complexes in the Canary Islands. Two of the last three eruptions recorded on the islands have taken place here, the San Juan volcano, in 1949, and the Teneguía, in 1971.
The current eruption occurred 50 years after the last one, which took place from October 26 to November 18, 1971, and which caused a victim by inhalation of gases.
The first volcanic eruption on La Palma dates back to an unspecified date between 1430-1440, according to the National Geographic Institute (IGN), and occurred on the island’s Tacande volcano or Montaña Quemada.
La Palma, like the rest of the Canary Islands, is an island of volcanic origin. With an estimated geological age of two million years, it is one of the youngest in the archipelago.
ALMOST TWO HUNDRED EARTHQUAKES IN TWO DAYS
Seismicity has continued to increase in number and intensity, always at a depth greater than 10 kilometers, which makes the possibility of a new eruptive center far from the main cone “extremely rare” at the moment, according to the experts.
Specifically, the Spanish National Geographic Institute (IGN) has located 180 earthquakes in the area affected by the volcanic reactivation since 10.00 GMT on October 6, of which 56 have been felt by the population.
SIGHT: 4 graphics and images showing the impact of the La Palma volcano, which entered the “explosive phase”
The largest earthquake (4.3) took place on Thursday at a depth of 35 kilometers.
The lava already covers an area of 471.8 hectares, 40.6 hectares more than on Thursday, after a fork occurred near the coast, southwest of the main stream, an appendix that is about 150 meters from the sea.
It is not ruled out that the main stream ends up covering the surface that separates it from that appendix, since on its way it is filling gaps and looking for heads of small basins.
Among the areas affected by the lava there are 102 hectares of cultivation, mostly (59.39) of banana trees, and the kilometers of road covered by the lava amount to 26.47, while there is no data on the destroyed buildings, more than 700 according to previous measurements.
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