Science & Technology

La Soufrière Volcano Explosive Eruption: Before-and-After Satellite Images

False-color picture captured by the Copernicus Sentinel-2 mission on April 13, 2021, exhibits the aftermath of the explosive eruption that befell on April 9, 2021. Credit score: Comprises modified Copernicus Sentinel information (2021), processed by ESA,  

Volcanic eruptions on Saint Vincent have blanketed the Caribbean island in ash resulting in over 16,000 residents being evacuated from their properties. False-color photographs captured by the Copernicus Sentinel-2 mission present the aftermath of the explosive eruption that befell on April 9, 2021.

La Soufrière is an lively stratovolcano on the Caribbean island of Saint Vincent in Saint Vincent and the Grenadines. A collection of explosive occasions started in April 2021, forming a plume of volcanic ash reaching 8 km in top, and producing pyroclastic flows down the volcano’s south and southwest flanks.

The picture beneath was captured on April 8, in the future earlier than the primary primary eruption, whereas the picture on high was taken on April 13, and exhibits the northern a part of the island coated in ash.

False-color picture captured by the Copernicus Sentinel-2 mission on April 8, 2021, exhibits the Caribbean island of Saint Vincent earlier than the explosive eruption. Credit score: Comprises modified Copernicus Sentinel information (2021), processed by ESA,  

The pictures have been processed in a manner that included the satellite tv for pc’s near-infrared channel. This sort of band mixture is mostly used to evaluate plant density and well being, as vegetation mirror near-infrared and inexperienced mild, whereas absorbing crimson. Since they mirror extra near-infrared than inexperienced, dense, plant-covered land seems in shiny crimson.

In response to the eruption, the Copernicus Emergency Mapping Service was activated. The service makes use of satellite tv for pc observations to assist civil safety authorities and, in circumstances of catastrophe, the worldwide humanitarian group, reply to emergencies.

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