Ashfall produced by Sangay destroys 11 200 ha of crops, affecting at least 24 500 farmers, Ecuador
Ashfall produced by the eruption Ecuador's Sangay volcano continues to be registered in several areas of the country, with most affected the Andean province of Chimborazo.
A total of 11 198 ha (27 670 acres) of crops have been destroyed in the provinces of Bolivar, Chimborazo, Guayas, and Los Ríos, affecting at least 24 557 farmers, after the major eruption on September 20, 2020, when volcanic ash rose to 12.2 km (40 000 feet) above sea level.
According to DG ECHO, the National Risk Management Service has distributed 26 250 volcano kits to those most affected in the provinces of Bolivar, Chimborazo and Guayas. The Ministry of Agriculture has delivered forage for the cattle.
IGEPN volcanologists said that explosions and ash emissions on September 20 were much more energetic than any of those observed in the past couple of months. A large ash cloud was reported at 09:40 UTC, with the highest part of the cloud heading east, while the lower part headed west of the volcano.
On September 24, El Comercio reported 55 000 ha (135 900 acres) of banana crops were affected by ashfall, especially in the provinces of Guayas and Los Rios.
This area's production accounts for 25 to 30% of the fruit that is exported to the world on a weekly basis, equivalent to 1.5 million boxes. The worst affected areas were Naranjito and El Triunfo in Guayas, and Mata de Cacao in Los Rios.
Sangay is located in the Morona Santiago province, 41 km (25 miles) north-west of the city of Macas.
The current eruptive period began in May 2019. The activity is characterized by lava flows, pyroclastic density currents (pyroclastic flows), and gas and ash emissions.
The isolated Sangay volcano, located east of the Andean crest, is the southernmost of Ecuador's volcanoes and its most active. The steep-sided, glacier-covered, dominantly andesitic volcano grew within horseshoe-shaped calderas of two previous edifices, which were destroyed by collapse to the east, producing large debris avalanches that reached the Amazonian lowlands.
The modern edifice dates back to at least 14 000 years ago. It towers above the tropical jungle on the east side; on the other sides flat plains of ash have been sculpted by heavy rains into steep-walled canyons up to 600 m (1 979 feet) deep.
The earliest report of a historical eruption was in 1628. More or less continuous eruptions were reported from 1728 until 1916, and again from 1934 to the present.
The almost constant activity has caused frequent changes to the morphology of the summit crater complex. This volcano is located within the Sangay National Park, a UNESCO World Heritage property.
Featured image credit: Los Ríos Prefecture
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