: Iceland Katla -Activity April 2012 -

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Iceland Katla -Activity April 2012

#26 User is online   Sam Jowett 

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Posted 22 June 2012 - 20:06

Seems to be an ongoing swarm in Katla again... was it as active as this before Eyjaf erupted?
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#27 User is online   Martyn Wells 

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Posted 22 June 2012 - 20:33

No tremor, all small quakes, occurred afternoon...melting/isostatic rebound?
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#28 User is offline   scrapemedic 

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Posted 23 June 2012 - 01:05

The last two days Martyn, most of the quakes occured between midnight and 12, not the afternoon.
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#29 User is online   Martyn Wells 

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Posted 23 June 2012 - 08:00

Ah well then this is interesting....
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#30 User is online   Sam Jowett 

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Posted 23 June 2012 - 08:43

Sounds like there's some hydrothermal activity going on which has caused some insignificant glacial floods over the last few weeks, indicated by higher water conductivity etc. Seems there's something going on just beneath the surface, but that doesn't mean anything of note will occur on the surface of course...
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#31 User is offline   scrapemedic 

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Posted 08 July 2012 - 21:00

Another EQ swarm today, with some corresponding tremor measurement changes at the GOD station.
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#32 User is offline   ldavidcooke 

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Posted 09 July 2012 - 00:30

Hey Liz,

I think it is interesting that the indications appear to track the Sun with a few hours delay. I think Martyn may have the jist of it when he suggests it is likely a surface event or settling. It is interesting to note that these events appear to track air temperature extremes. If it were a indication of a deep core or magma event the amplitude markers would likely be closer together.
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#33 User is online   Martyn Wells 

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Posted 09 July 2012 - 10:21

Not sure the GOD tremor was that significant, ande can't see anything on any other stations in the Katla locale. http://hraun.vedur.is/ja/oroi/god.gif

It's a blamy and wet 14c over Katla today; so could be summer melt and isostatic rebound? Unless there is a change to hydrostatic readings in the river run off I guess we'll never know one way or another.

Elsewhere, El Hierro continues to shake with over 2,000 quakes recorded since the swarm began on 24 June. All quakes deep and down in the MOHO mush at 18-22km, from the lighthouse at the western extremity of El Hierro across ESE into Las Calmas sea. There is no sign of magma on the move nearer the surface in tremor plots, no reports of gas emissions on land and no reports bar a false alarm, of vent based submarine de-gassing).
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#34 User is online   Martyn Wells 

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Posted 09 July 2012 - 10:43

volcano Live! starts tonight on BBC at 21:00 http://www.bbc.co.uk...onment-18705562
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#35 User is offline   PK2 

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Posted 09 July 2012 - 19:00

View PostMartyn Wells, on 09 July 2012 - 10:43, said:

volcano Live! starts tonight on BBC at 21:00 http://www.bbc.co.uk...onment-18705562

thanks Martyn, will be recording it. Worth mentioning that, here at least, it starts a 20:00.
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#36 User is online   Dave W 

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Posted 09 July 2012 - 19:02

Volcano live now on BBC
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#37 User is online   skanky 

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Posted 10 July 2012 - 13:18

View PostDave W, on 09 July 2012 - 19:02, said:

Volcano live now on BBC


Missed it. Worth catching tonight and/or on iPlayer?
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#38 User is offline   scrapemedic 

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Posted 10 July 2012 - 13:57

View Postskanky, on 10 July 2012 - 13:18, said:

Missed it. Worth catching tonight and/or on iPlayer?

Yes, if only for Ed Byrne creating volcanoes with diet coke and Mentos.
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#39 User is online   skanky 

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Posted 10 July 2012 - 14:59

View Postscrapemedic, on 10 July 2012 - 13:57, said:

Yes, if only for Ed Byrne creating volcanoes with diet coke and Mentos.


We were making a volcano out of vinegar and bicarbonate of soda last Sunday. :D
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#40 User is offline   scrapemedic 

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Posted 17 August 2012 - 16:34

Date Time Latitude Longitude Depth Magnitude Quality Location
Friday
17.08.2012 16:12:28 63.666 -19.139 1.1 km 0.7 74.97 6.2 km ENE of Goðabunga
Friday
17.08.2012 15:55:16 63.637 -19.302 1.1 km 0.1 48.85 2.6 km W of Goðabunga
Friday
17.08.2012 15:48:14 63.660 -19.076 0.1 km 3.8 99.0 8.9 km ENE of Goðabunga
Friday
17.08.2012 15:39:51 63.658 -19.111 3.0 km 1.1 90.01 7.1 km ENE of Goðabunga
Friday
17.08.2012 12:46:33 63.619 -19.089 0.8 km 0.8 90.02 4.4 km N of Hábunga
Friday
17.08.2012 12:37:19 63.651 -19.115 1.1 km 2.0 90.06 6.8 km E of Goðabunga
Friday
17.08.2012 12:16:55 63.653 -19.112 1.1 km 1.0 90.01 7.0 km ENE of Goðabunga
Friday
17.08.2012 11:25:32 63.642 -19.337 1.1 km 1.3 90.01 4.3 km W of Goðabunga
Friday
17.08.2012 08:23:28 64.000 -19.131 1.1 km 2.3 90.05 3.6 km WNW of Landmannalaugar
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#41 User is offline   Chris Alder 

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Posted 17 August 2012 - 17:01

For some reason I always get excited when I see a new post appear in this thread ;)
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#42 User is offline   Floss the dog 

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Posted 17 August 2012 - 19:51

Me three !
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#43 User is online   Martyn Wells 

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Posted 03 October 2012 - 11:32

3.1 mag EQ recently in the caldera at 0.1km. Time will see if others follows and if a glacial flood emerges.
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#44 User is offline   scrapemedic 

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Posted 17 February 2013 - 04:04

Nice cluster of EQ with associated changes in the tremor measurements at GOD
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#45 User is offline   scrapemedic 

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Posted 02 April 2013 - 02:06

Busy little fracture zone/transverse fault North of Iceland this morning...
DateTimeLatitude Longitude Depth MagnitudeQuality Location
Tuesday 02.04.201301:30:1666.459-17.4821.1 km3.190.0125.1 km ESE of Grímsey
Tuesday 02.04.201301:13:2066.563-17.62115.5 km3.090.0217.3 km E of Grímsey
Tuesday 02.04.201300:59:2266.019-17.9262.6 km3.190.0113.9 km NE of Grenivík
Tuesday 02.04.201300:59:1466.561-17.69127.8 km4.199.014.3 km E of Grímsey
Tuesday 02.04.201300:59:1466.564-17.64922.1 km5.390.0316.1 km E of Grímsey
Monday 01.04.201318:18:3966.551-17.64915.1 km3.299.016.0 km E of Grímsey


Total earthquakes: 6
Attached Image: Tjornes 2nd April 2013.JPG
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