Discharge rises, significant gas pollution reported during Múlakvísl glacial outburst flood, Iceland
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Discharge rises, significant gas pollution reported during Múlakvísl glacial outburst flood, Iceland
Electrical conductivity in Múlakvísl rose to just over 500 µS/cm during an ongoing glacial outburst flood on August 20, 2026, while discharge increased and significant gas pollution continued, according to the Icelandic Meteorological Office (IMO). The river level had not risen significantly, but webcam observations showed the river spreading across a wider area. Source
Unusually high electrical conductivity is being measured in the Múlakvísl stream compared to recent runs after the conductivity increased sharply last night. Despite this, the water level in the river has not increased to our knowledge.
It is too early to say whether the Múlakvísl glacier has reached its peak. Sulfur pollution in the area is still well above health protection limits and people are warned not to venture there.
Electrical conductivity increased significantly in Múlakvísl last night and peaked at around 1 a.m. Sigríður Magnea Óskarsdóttir, a natural hazard specialist at the Icelandic Meteorological Office, says the electrical conductivity is unusually high for the time of year. "It rose significantly after midnight and peaked around 1 a.m. and then dropped a little. Then it peaked at over 500 microS/cm. It is still high and the water level has risen, bu…
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