La Palma eruption – 13th November 2021
PEVOLCA today have confirmed the death of a 72-year-old man in the exclusion zone in the El Corazoncillo neighbourhood in the municipality of El Paso. The cause of death as well as the man’s identity is currently unknown, however the cause of death is currently being investigated by the Judicial Authority and the Civil Guard. It is known that the man was in the exclusion zone as part of an authorised ash cleaning team authorised by the city council. With respect to the eruption, the activity continues to show stability, with mixed strombolian activity from multiple vents within the main cone as well as a lava emission vent on the NW flank of the main cone, as well as occasional phreatomagmatic pulses. Regarding earthquakes the frequency and magnitude decreased relative to previous days. 19 events were recorded, with similar amounts at both intermediate (10-15 km) and deeper (35-40 km) depths, with the day’s largest earthquake being a mbLg 5.0 event at 38 km depth.
SO2 emissions were also reduced relative to previous days, at 2,000-4,000 tons per day, whilst the ash and gas plume reached 3,100 m. However, satellite measurements imply current SO2 emissions show a downward trend since the start of the eruption. Tremor continues to be stable at low levels as in the last days, and variable deformation continues to be seen at the LP03 GPS station in Jedey closest to the eruption, with a trend towards regional deflation at the other stations. Regarding air quality, SO2 levels were at good or reasonably good levels in all stations, with no exceedances of the daily (125 μg/m3) or hourly thresholds (350 μg/m3). Regarding PM10 levels, low values were seen at all stations except Los Llanos, which saw very unfavourable levels between 12-2pm local time due to resuspension of ash caused by cleaning, which caused at exceedance of the daily threshold (50 μg/m3) at this station.
Sources: Government of the Canary Islands, PEVOLCA, Involcan, IGN, DSN, Cabildo La Palma, 112 Canarias, Tolouse VAAC, Copernicus EMS
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