Eruption is four months old
It has been nearly three weeks since scientists last flew over the volcano, because visibility has been poor from above.
The eruption has been erratic recently. Geophysicist Þorvaldur Þórðarson says it is fluctuating between high and low activity phases and lava fountain activity is changing roughly every five-to-seven minutes, with ten-to-fifteen minutes between periods of activity.
Drones were used this weekend to map and document the volcano, with scientists placing particular emphasis on changes that have been taking place in Meradalir. While drones are very useful, it is still necessary to use helicopters to achieve a full aerial survey of the lava, and that was carried out yesterday.
The eruption still has ten metres of thickness remaining before its lava field overflows from Meradalir. Suðurstrandarvegur road is still open and there is still no imminent threat that it will be overcome by lava in the coming few days.