Wybuchł wulkan na wyspie La Palma
EN_01493877_0075
EDITORIAL USE ONLY. MATERIALS ONLY TO BE USED IN CONJUNCTION WITH EDITORIAL STORY. THE USE OF THESE MATERIALS FOR ADVERTISING, MARKETING OR ANY OTHER COMMERCIAL PURPOSE IS STRICTLY PROHIBITED. MATERIAL COPYRIGHT REMAINS WITH NASA.
After Cumbre Vieja split open and began erupting on September 19, 2021, a slow-moving wall of basaltic lava began bulldozing its way through populated parts of La Palma. Lava flows have destroyed nearly 400 homes, buried dozens of kilometres of roads, and consumed farmland as molten rock creeps down the western flank of the volcanic island toward the ocean. The Operational Land Imager (OLI) on Landsat 8 captured a natural-colour image of lava flowing through the communities of El Paraiso and Todoque on September 26, 2021. Though the inside of the lava flow was hot and molten, cooling on the surface left a dark crust that made the flow appear black in natural-colour imagery. Observations of infrared wavelengths reveal the hottest parts of the flow. Many of the white rectangular features near the coast are greenhouses. The dark green areas along the coast are crops, likely fields of bananas. The volcanic plume streaming toward the northeast contains a mixture of ash, sulphur dioxide, and other volcanic gases. A lull in activity in the morning on September 27 suggested that the eruption might be winding down, but explosive activity resumed later in the day, according to the Volcanology Institute of the Canary Islands (INVOLCAN). Experts from INVOLCAN have indicated that the current eruption could persist for weeks to months. Cumbre Vieja last erupted 50 years ago. The most recent eruption in the Canary Islands happened in 2011, when an underwater vent at El Hierro came to life. NASA Earth Observatory images by Lauren Dauphin, using Landsat data from the U.S. Geological Survey. When: 30 Sep 2021 Credit: NASA/Cover Images **EDITORIAL USE ONLY. MATERIALS ONLY TO BE USED IN CONJUNCTION WITH EDITORIAL STORY. THE USE OF THESE MATERIALS FOR ADVERTISING, MARKETING OR ANY OTHER COMMERCIAL PURPOSE IS STRICTLY PROHIBITED. MATERIAL COPYRIGHT REMAINS WITH NASA.**
2021-09-30
Cover Images/East News
Cover Images
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