The water level of glacial river Múlakvísl has risen in line with increased seismic activity in volcano Katla, which lies under Mýrdalsjökull icecap in South Iceland. Scientists are monitoring developments in the volcano closely.
Geophysicist Páll Einarsson finds it likely that melt water from cauldrons in Katla has flowed into Múlakvísl from underneath the glacier. His theory is supported by increased conductivity in the river, mbl.is reports.
At the current stage, the glacial outburst flood is insignificant compared to the massive flood which occurred in Múlakvísl in 2011 and destroyed a bridge on the Ring Road. There are currently no indications of an upcoming volcanic eruption.
Katla last erupted in 1918, causing flooding and ash fall.