Basically just that this is a known fault line and the location where large earthqakes occurred in 1630.
They expect further activity over the next hours and days. No word as of yet regarding Hekla.

I'm heading over there right now to stay in my small cabin. So exciting.

Albert 06/05/2017 at 13:39
It is within the south Iceland seismic zone, near is eastern end point. Lots of short faults crossing the transform zone, and it is on one of those. This region is mainly tectonic. Irpsit mentioned some lava flows in the area but they must be rare. A nice history of this zone (which must have taken a lot of time to put together!) is in [link to www.jonfr.com] There were two large quakes here in June 2000, and today’s quake is just to the east of those. Interesting, there may be some influence of stress from Hekla on this area. The 2000 quakes followed after a Hekla eruption.

Earthquakes here tend to come in pairs..

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Inannamoon 06/05/2017 at 14:00
And a small strain drop. To be expected I believe from the quake. From memory, these have been observed before during the large quakes. Interesting. One to keep an eye on?

[link to hraun.vedur.is]

[link to www.volcanocafe.org]