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La Palma eruption update 28th october 2021: Over 900 hectares now affected by the lava flows

By Geotenerife 1 year ago
Home  /  VolcanoStories  /  La Palma  /  Day by Day  /  La Palma eruption update 28th october 2021: Over 900 hectares now affected by the lava flows
 By Geotenerife  28th Oct 2021

La Palma eruption update 28th october 2021: Over 900 hectares now affected by the lava flows

Daily summary

The lava emission predominantly feeds three different lava streams, with two of these affecting new ground. One of these is the flow to the south of La Laguna Mountain, which is now 86 m from the cliffs, and the other affecting new ground to the south of the original flows near Camino de Aniceto. The final active flow is feeding the lava delta, which is advancing underwater. The area affected now exceeds 900 ha, with the total width of the lava flows exceeding 2,900 m. Seismicity remains at similar levels to previous days, with high frequencies and magnitudes being recorded in the same area at 10-15km depth. 195 events were recorded, peaking at 4.2 mbLg.

The 10 cm deformation signal seen at the Jedey station closest to the eruption yesterday has now fully reversed, whilst a slight deflation of deep origin continues to be recorded in distal stations. SO2 emissions were slightly lower than previous days continuing a 5-day downward trend in emissions, at 15,000 tons per day, although this is still an underestimated value, whilst the ash and gas plume reached 2600 m. The tremor remains high, with pulses of intensification. Air quality was improved relative to previous days. The daily and hourly thresholds were not exceeded in any of the stations with respect to both SO2 and PM10 concentrations.

A map of lava flow progress with different colours for each day. There are also smaller graphs showing damage assessments. On the map it also shows the locations of damaged or destroyed buildings

A comprehensive infographic showing the current progress and statistics of the eruption including lava flow extents, damage assessments and exclusion zones. Image credit: Copernicus EMS

Sources: Government of the Canary Islands, PEVOLCA, Involcan, IGN, DSN, Cabildo La Palma, 112 Canarias, Tolouse VAAC, Copernicus EMS

Lava flows

Earthquakes

Official social media

To see our full social media archive, visit our open data section or click here.

News articles

  • Discover Magazine – La Palma eruption largest in centuries – here
  • Guardian – La Palma’s ashen landscapes – here

To see our full news archive, visit our open data section or click here.

Found a broken web link? We have archived all of our news articles on the WayBack Machine. You can view the pages by 1. pasting the broken link into WayBack Machine and clicking ‘Browse History’ 2. clicking on the latest capture date and then 3. clicking ‘view capture’. Please let us know of any broken web links by contacting us at enquiries@geotenerife.com.

Eruption footage

News and Interviews

Witness Testimonies

Interactive Lava Flow Map

Notes: Use the button in the top right to open the map into full screen mode. Use the legend icon in the top left to see the legend and further information about the map. Click on individual days to see an outline of the lava flows on that day.

Interactive Earthquake Map

click here to enlarge

Notes: The size of the points represents the size of the earthquake, and the colour represents the depth. The map will also only show a certain number of points at once. For ease of use, we recommend you uncheck all dates and the satellite basemap from the legend in the top right, and inspect the earthquakes one day at a time.

Categories:
  Day by DayLa PalmaVolcanoStories
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