Odd strain at Hekla

Hekla have one of her days today. It all started at 08.56 with a small earthquake located at Árnes close to Haukadalur SIL-station. The earthquake was clearly tectonic and at a respectable depth of 6.2km. The earthquake will most likely be revised later as it is of low probability due to low energy released. What makes…

Hekla – Changes in rapid strain

During the last 48 hours Hekla has suffered an increase in rapid strain movements. On the images below you see two types of motion. The first type that is creating a sinusoidal movement (wave-like) is a phenomenon called earth-tides. They are normal and do not influence even the most agitated volcano. The second type of…