During the night of 12-June-2015 a minor earthquake swarm took place on the edge of SISZ (South Iceland Seismic Zone). Around 9 earthquakes were detected, largest earthquake had the magnitude of 2,9.
This earthquake swarm did appear clearly on my geophone in Heklubyggð.
The reason why this magnitude 2,9 earthquake appears so strong on my geophone has normal reasons. The reason is distance, the earthquake was close to geophone and smaller earthquakes appear clearly on my geophone, even if they are small in magnitude.
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