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Katla Volcano 3 Earthquakes in Seconds
June 11, 2010
Friday, 11-June-2010, 07:03 this morning, an earthquake shook at the Katla volcano in Iceland.
10 seconds later, a slightly larger magnitude earthquake struck.
10 minutes later another earthquake trembled followed by yet a fourth earthquake hours later.
As I was writing this, a fifth earthquake just popped off!
Update: Now a sixth earthquake has gone off – this one though, way over on the western edge of the glacier area – lots of excitement today…
2nd Update: There goes number seven!
Having been monitoring the earthquakes at Katla since mid May, these seven earthquakes are the most in one day so far. This is just my observation as an interested independent amateur, and there is no evidence of swarming at this time (could this be the beginning of a swarm?), but it is interesting to note today’s occurrence. The situation would potentially warrant the term, swarm, if the number of earthquake occurrences continue at this pace or if it increases over the coming days, in my opinion.
Map source data captured from Icelandic Meteorological office – rolling 48 hour Seismicity map
(While tracking the Myrdalsjokull map and table, the Katla-specific earthquakes are differentiated by observing the map and longitude while ignoring those beyond approximately -19.45, which are over on Eyjafjallajokull)
We must keep our eyes on this potential disruptive volcano, Katla, that historically erupts following the eruption of Eyjafjallajokull (which first erupted April 14). Katla is about 10 times more powerful, and has the potential to cause worldwide disruption.
I’ve been keeping a map record of the Katla earthquake locations since 17-May. It is interesting to note the buildup of earthquakes on the East-Northeast rim area. Time will tell. Stay tuned…
Update, Saturday, 12-June
Apparently 3 additional earthquakes registered between yesterday and today as Katla remains shaky so far this morning as of 0730 Pacific Time. Then quiet for most of the day.
Update, Sunday, 13-June
Again, 3 additional earthquakes leading into this morning, although this time followed by a fourth – the past several days have certainly been the most active.
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