Recently, there have been some swarms of earthquakes in Iceland, clustered around the southwestern part of the island nation. At first I thought this was "magma on the move", but the above-linked article suggests that the injection of cold water into geothermal sites may be causing the swarms (assuming we are talking about the same areas).
That humans can cause small earthquakes is nothing new. The removal of overburden at quarries, the backing up of water behind new dams, the injection of waste fluids into deep wells, and probably hydraulic fracking have all caused minor earthquakes.
If these swarms are not in the same geographical area as those illustrated last week in another source, I will update this post.
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