line shows the number of all measured earthquakes but the red line shows the number of earthquakes above 1.5 in magnitude.
During these years, the measuring net has improved and become more sensitive. That is the reason for showing the larger earthquakes separately.
18 August 2014 20:45 - An overview of the first three days
Since the onset of the earthquake swarm at Bárðarbunga on Saturday
/earthquakes-and-volcanism/articles/nr/3000
in 1991. The blue dashed line shows the number of all measured earthquakes
but the red line shows the number of earthquakes above 1.5 in magnitude.
During these years, the measuring net has improved and become more sensitive. That is the
reason for showing the larger earthquakes separately.
18 August 2014 20:45 - An overview of the first three days
Since the onset of the earthquake swarm
/media/jar/Bardarbunga-2014_August-events.pdf
line shows the number of all measured earthquakes but the red line shows the number of earthquakes above 1.5 in magnitude.
During these years, the measuring net has improved and become more sensitive. That is the reason for showing the larger earthquakes separately.
18 August 2014 20:45 - An overview of the first three days
Since the onset of the earthquake swarm at Bárðarbunga on Saturday
/earthquakes-and-volcanism/articles/nr/3000/