Small explosions at Eyjafjallajökull: Start of something new or end of something old?

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Puffs coming out of crater - Mula and Thórol cams.

Aww man! Something exciting happens and I lose power in a thunderstorm for over 2 hours. Renatoooooo!

#3 Calm down, YH, not too much to be excited about. Only some puffs and Jón's Helicorders are steady.
As for the power loss - I thought we only got those down at the tropics. :)

Hvólsvöllur cam looks interesting, though...

Engir skjálftar fylgdu þessum óróahviðum og undanfarið hafa eingöngu verið smáir, grunnir skjálftar undir fjallinu. No earthquakes follow these disturbances Hvid and recently have only been small, shallow earthquakes under the mountain

Meanwhile take a look at this!
http://www.lahora.com.ec/frontEnd/images/objetos/TUNGURAHUAFP_201006311…

@Renato ~ It's the tropics here in southern Canada this time of year, so every time there's a thunderstorm warning I have to get the candles ready. Cats and candles don't mix well though, so I at least enjoyed a nice bonfire outside.

Until the mosquitoes came ...

@Dan and everyone else affected by the oil spill ~ I got caught up with the news today and just can't imagine how you must feel trying to do your part to help clean up such a massive, growing mess. Words just don't work.

@Renato ~ Whoa!

@Robert B and Things to do ~ #1 & #6 I *think* I understand from reading between the lines ;)

I'm sure there are a lot of people who read this blog who are busy as I am and may have missed the opportunity to give an honourable mention of our beloved Eruptions blog, so if you feel so inclined, please do so at:

http://www.guardian.co.uk/science/blog/2010/jun/03/wanted-best-science-…

Tremor plots are showing a small unrest now and the plume looks sturdier, don't you think?
@YH, how do they dare? (the mosquitoes?)

The plume looks sturdier on the Hvols cam but as puffs on the Thoro cam. Must be the different angles.

Pass the calamine lotion please.

Sorry for the off-topic but just a few hours ago the oil spill cam did not look like it was pumping out half as much as it is now:

http://www.bp.com/liveassets/bp_internet/globalbp/globalbp_uk_english/i…

There should not be any new eruption at Eyjafjallajökull. The seismic events that occurred during the past days and weeks are all shallow and do not reveal any new magma ascent.However, the eruptive tremor shows there is probably still some hot material coming up in the crater so that the contact with glacier melting water occasionally causes small phreatic eruptions accompanied by ash clouds. In my opinion, the eruption is over

Bed time! Ok, gents ladies, keep us updated. See you tomorrow/today. I'm sure this Lady still has stories to tell us.

WOW! There is a really high spike in the tremor graphs:

hraun.vedur.is/ja/Katla2009/stodvaplott.html

The steam plume is a bright white and at time quite significant in size. Beautiful day for webcam watching.

The tremor plot are once again increasing in strength. I don't think that this is a older material that got on the move because that some blockade inside the Eyjafjallajökull plumbing did clear a path. Like the IMO did state in news here in Iceland. I think that this is a slow restart of the eruption. They also think at IMO that this might be the last breath of the eruption, I do not agree with that. As this is too repeated and the gain of strength between eruptions is too high.

The tremor that is happening now looks stronger then before. It is going to be interesting to monitor this over the next few hours.

Icelandic news on Rúv. Translate with Google at your own risk.

http://www.ruv.is/frett/enn-oroi-i-eyjafjallajokli

@Princess Frito & others - I recommend LED lanterns & flashlights for emergencies: they are nowadays quite affordable and the batteries last for ages - and there is no fire hazard.

I'm watching Thoro cam - is that a plume on the glacier again? Been visible since increased activity/plume.

Hello to all,

Im another person who is going to be away but only till tommorrow evening. Good Holidays to Birdseye and also Lavendel,

Catch You All Tommorrow, Adrian.

P.S Not stating the obvious but all 5 Helicorders ramping up again and there is also signs of movement on yours Jon.

Good morning All. The plume on the Hvolsvelli looks almost back to its full height this morning, shimmering through the haze with the sun shining on the white heights of the plume - and 2 plumes steady on the Ãórólfsfelli camera just now. It's like seeing an old friend again!

I am wondering if there is a new eruption starting in Eyjafjallajökull, at new location in the crater. Since the tremor continues to increase, but nothing can be seen on the web cameras.

#22 @Jón: Wondering the same. Just came out of bed to see activity which is just WOW, but plume doesn't show any difference from earlier.

Curiously though, there hasn't been very much earthquake activity at all?

The earthquake activity we saw didn't start until the eruption began to subside, it seems whenever there is earthquake activity the tremor plots are right down, and when the tremors start to go up earthquakes stop.

" Gunnar considers likely that this is a game after the eruption, a kind of death stretches, and it will be possible to continue the next day. However, there is no evidence that the eruption is about to begin again in the glacier. "

Well,at least the translations are getting more poetic....
Mornin' all, just dashing by to check on things - have to pack up the computer soon ...
and later we shall see what we shall see....keep us posted on your opinion, Jón, thanks .

'birdseye, what are you doing birds... eee....y....e,' as the plug is pulled. Hasta mañana, be well all.

Darn thought it was going to get interesting again. Oh well.
Now to paint the trim on 'ol Bar MC Ranch House.First nice day in what seems weeks here in NE Oregon....

Early morning coffee in the Eastern Sierras (Owens Valley)with cattle lowing to the rising sun, protesting the 100 degree heat soon to arrive. Yes, Princess Frito #10, sending Eruptions (and other science blogs of one's choice to the Guardian is an excellent idea -- done!) Thanks, Jon and Erik, for maintaining this excellent update on Eyjaf. A fine place to visit everyday.

For those of us who can't visit the mountain today in person... here's a short time-lapse of this morning's steam plume, from the Mulakot webcam. Eyjafjallajökull volcano eruption 5 June 2010
http://www.youtube.com/watch?v=X8OL71zeINs

Yesterday was very pleasant in Central Washington, for a change - as GTMcCoy opines. Today promises to be lovely as well, balmy mid-70s with low humidity. Absolutely atypical weather here the past month, by the standards of the past decade, but. MUCH cooler, cloudy and wetter than normal.

The jetstream map tells the tale, as the JS is normally to the north, riding above us here in the PNW, by now. The unsettled weather is riding to the south of GT and will return by later today, so we'll be seeing another precip event by Sunday.

http://www.intellicast.com/National/Wind/JetStream.aspx

Geotechnical indicators for mildly unsettled conditions today, after an uptick yesterday, June 4, with a rising pattern of basal activity, repeating spot-on, at 30-day intervals.

Interesting. Eyjaf is not finished. IMO should take a chill. We have unsettled geoweather ahead of us.

#30 @d9tRotterdam, thanks for the timelapse. Hot day here in Central TX: 97 yesterday, same today. La Nina forecast means a relapse into drought after a wet El Nino winter.

http://iri.columbia.edu/climate/ENSO/currentinfo/QuickLook.html

We've been out of LaNina conditions for some time, presently back into ENSO-neutral after a period of ElNino conditions that gave us a warmer March-April than typical. There is, however, a reasonable chance that ENSO will drift back into LaNina conditions by the end of Summer 2010, that could persist through the Fall.

Aye, LaNina resumption will bring dry weather to the southwestern US, Mexico and the Yucatan. Fire season.

Good morning and evening where ever you are. :-)

Have been away for a couple of days with stuff not so enjoyable. I won't go there.

Interesting that Eyjaf is still steaming and puffing away a bit. Also I have managed to catch the info on the other volcanoes putting on shows or creating havoc elsewhere. Lot of activity.

@Passerby, the weather here has been really crazy. We had some rain the other night. It is not particulary "usual" this time of year. Not for here. Of course, it can snow here on Memorial Day, but that is very rare.

Today is clear and it will be warmer and DH and I have just been chompin' at the bit to get to the river. Maybe tomorrow or Monday the road will be dry enough.

Randall and Dan, on the gulf situation, they said when they were going to cut the pipe that it would be worse until they can cap it or whatever they are trying to do. This is going to be the worst manmade disaster that has happened yet (with the possible exception of A-bombs). I don't envy you and I feel very bad about what is coming to your coasts if it isn't there already. I wish things were different for you.

Here is something a bit funny. Yesterday, the clouds were really in some strange formations. There were lenticulars, strato-cumulous, cirrus, and whatnot and my chiropractor asked me if we were going to have an earthquake. What? Then she told me her folks said it was earthquake weather. LOL I remember my dad saying that one time. Well, it was warm and humid which is not normal for here, either. Thing is, there were some quakes. The backgound noise. Anyway, I thought you would enjoy a bit of humor regardless of whether you believe in quake weather or not.

Cheers

#34, Diane, I remember reading about this ages ago. https://www.sott.net/articles/show/153433-Curious-cloud-formations-link…

It is not peer reviewed, so I'm not creating a case for it but it is an interesting idea.

Tungurahua: More evacuations taking place.
"The Geophysical Institute (GI) of the National Polytechnic School of Ecuador said yesterday there is a small "lava lake "at the bottom of the crater which, if volume increases, could spill into the northwest flank of the mountain ."
http://www.prensaescrita.com/america/ecuador.php

*squint* Looks suspiciously like new ash deposits on Vulcan Popo.

http://www.cenapred.unam.mx/popo/UltimaImagenVolcanI.html

Were not in evidence yesterday.

According to the news, ash plume was seen yesterday somewhere between 18:00 and 20:00 UTC.

thanks Jon, then I was not dreaming,.
I tought I saw ash in the plume yesterday, evening but I was not sure so I didnt post..

shes still moving about, just not as much as she did earlier. Im sure we`ll see more fun from her side..

http://www.dailymail.co.uk/news/worldnews/article-1284213/Dont-close-No…

mad fools!

Beautiful view on Mulakot cam!!

@ Stigger #135, yeah, I have heard of such things. It has warmed up a lot here in the last couple of days and there are more clouds to come. I think sometimes it is coincidence. I have not studied anything like that, but I have heard that a change in barimetric pressure can have an affect and if the fault was ready to move anyway, then I suppose there could be some connection with the pressure. I don't think it would be quite so predictable, however. In the clouds we had here, there were no holes that stayed with the clouds moving around them.

Who knows?

The following statement is on the IMO web page in Icelandic. This is translated by Google. But I have made some correction to it.

"Increased turmoil in Eyjafjallajökull afternoon yesterday. Then came a black ash cloud. The night was observed turbulence and since the at. 7 in the morning has been almost continuous turmoil, but most nine o'clock. Since then it has declined. The ash cloud was light in the night and morning, and looked like a steam cloud.
Written by geologist on duty at 05th June 17:33"

Original text.

"Aukinn órói var à Eyjafjallajökli seinnipartinn à gær. Ãá kom upp svartur öskumökkur. à nótt komu fram óróahviður og frá þvà um kl. 7 à morgun hefur óróinn verið nær samfelldur en þó mestur um nÃuleytið. Frá þeim tÃma hefur dregið úr honum. Mökkurinn var ljós à nótt og morgun og lÃktist gufumekki.
Skrifað af vakthafandi jarðvÃsindamanni 05. jún. 17:33"

The tremor continues to be higher then the background noise, but it drops a lot for some period of time. I am yet to understand why that is at the moment. So are the scientists that are monitoring Eyjafjallajökull today.

#41 @ Diane: Who knows indeed? It probably is nothing more than coincidence and wishful thinking but there are more things in heaven and earth ...

Who knows? Most geologists know that it's nonsensical - it lacks an acceptable physics basis.

http://en.wikipedia.org/wiki/Earthquake_weather

But .. but .. it must be true because I read it on the internet! ;)

http://www.earthquakesignals.com/zhonghao296/A991003.html

Freaky coincidence reminds me of http://www.scholarpedia.org/article/1/f_noise

Flimsy physics argument and slightly better than random guessing odds, at ~60% success rate.

If that much heat is generated by rock friction, satellite thermography could be employed. I haven't seen anybody trot this EQ detection method out yet.

Have seen thermographic sensing used to detect monument and concrete structural damage from earthquakes. Also used to detect soil loading and deformation by EQs:

Introducing infrared thermography in soil dynamics (2007)
Infrared Physics & Technology
Volume 49, Issue 3, January 2007, Pages 306-311
he paper introduces infrared thermography as a non-contact and non-destructive technique that conveniently offers the possibility of evaluating the energy-dissipating ability of soil, generally difficult to be determined using traditional techniques. It allows records and observations in real time of heat patterns produced by the dissipation of energy caused by friction between grains. Such dissipative heat occurs when soil is subjected to vibratory loading exceeding the characteristic threshold, and it evidences the distortion mechanism. This energy dissipation mechanism influences the wave propagation, intergranular attenuation, and dispersion through particles contacts. The infrared thermographic technique, which couples mechanical and thermal energy, offers the potential of directly monitoring the stress state of particle rearrangement and predicting the macroscopic mechanical response of soils subjected to cyclic, dynamic or vibratory loading. In addition, infrared thermography evidences the fuse effect of soil, capable to mitigate significantly the earthquake loading on engineering structures.

2 EQs over the Mid-Atlantic ridge:
2010-06-05 06:42:07.150.42 N /29.22 W /10 mb4.7/ NORTHERN MID-ATLANTIC RIDGE
2010-06-05 22:24:05.870.82 N /14.61 W 30 mb / 4.3/ JAN MAYEN ISLAND REGION
http://www.emsc-csem.org/index.php?page=home

@49: EQs on the MAR bracket Iceland. Not surprising.

Diane in Northern Ca.-I lived for 25 years on the South Coast of Oregon. That southern end of the Juan De Fuca plate has me
worried. My wife's cousin lives in Brookings, Or. She lived many years in the Hemet Valley Ca.area.Anecdotal,but ever time there is a nearby quake she gets a headache.-Just before
it hit-like the recent one in Eureka...
Stay safe, I'm gong out to hug my Basalt Column....

On the subject of "earthquake clouds" - in general I don't believe in these and I think some who talk about them all the time on various forums (fora?) can be a bit silly, but - here is my own silly "was that an earthquake cloud?" story.

Two days ago, I was driving in the Puget Sound region when I looked up and saw a rather massive rainbow cloud. It was definitely not just a rainbow, but a large part of the sky striped in a vivid prism. The colors were more solid and the stripes were thick and not bent as they would be in a rainbow. This breathtaking site was obscured by more (ordinary) clouds before I could snap a photo.

Anyway, I don't know what it was. A noctilucent cloud? (I thought those happened at dusk, this was mid afternoon) Half of an incredibly vivid and big sundog? A hallucination? A sign that I needed to wash my windshield? No major earthquakes yet so I suppose that wasn't the cause.

This is the only reference I can find, but it was considerably more vivid than is evident in the photo:

http://www.king5.com/your-news/95571319.html

@ 52: I saw a similar phenomenon while driving on I-90 on a cross-country drive en route to Ohio, to work for NASA some time ago. It occurred at about this time of year, under clear skies with a few very high clouds.

If I remember correctly, it's caused by high altitude ice crystals that are charge aligned with the Earth Circuit and have a specific refracting geometry.

EQs on the MAR in Iceland:
Sunday
06.06.2010/02:26:38/66.646/-18.028/11.7 km/2.8/90.02/11.6 km N of GrÃmsey
06.06.2010/02:26:38/66.669/-18.028/7.6 km/2.6/55.14/14.2 km N of GrÃmsey
06.06.2010/02:24:11/66.636/-18.001/11.2 km/1.681.79/10.5 km N of GrÃmsey
05.06.2010/20:12:07/66.492/-17.535/5.9 km/2.8/90.02/21.7 km ESE of GrÃmsey
05.06.2010/20:03:42/66.652/-17.895/6.4 km/1.7/32.68/13.3 km NNE of GrÃmsey
05.06.2010/18:49:20/66.628/-17.908/9.9 km/1.5/60.4/10.6 km NNE of GrÃmsey
Saturday
05.06.201017:54:2166.631-17.91910.6 km1.499.010.7 km NNE of GrÃmsey
05.06.2010/17:51:31/66.455/-17.837/11.7 km/0.5/99.0/12.3 km SE of GrÃmsey
05.06.2010/10:43:44/66.498/-17.508/9.7 km/0.6/99.0/22.7 km ESE of GrÃmsey
05.06.2010/10:31:53/66.296/-18.703/10.9 km/0.3/99.0/20.1 km NNE of Siglufjörður
05.06.2010/10:12:02/66.510/-17.509/12.3 km/1.1/99.0/22.5 km E of GrÃmsey

Good evening /good morning everyone :O)!! Lady E is steaming nicely at the moment on the THORO web-cam at the moment:

http://eldgos.mila.is/eyjafjallajokull-fra-thorolfsfelli/

Tremor at the volcano are very low at all sites at the moment, but I still believe Lady E has an encore presentation.

Tjörnes zone swarm:
03:41:01 /66.482/-17.562/9.5 km/3.4/90.02/20.9 km ESE of GrÃmsey

Plume now visible on Múlakot cam.
Be back later to follow developments on this.

FLIR pointer going crazy between two "hotspots". The one to the left of the picture is totally new to me.

Dear folks here, if you want to see a REAL GOOD volcano show going on in this very moment, check out Kilauea on Hawaii. That volcano in these days is presenting the unique situation of having TWO vigorously active lava lakes at the same time. One is within its summit vent Halema'uma'u
volcanoes.usgs.gov/hvo/cams/HMcam/
the other within Pu'u 'O'o
volcanoes.usgs.gov/hvo/cams/POcam/
By the way, there are some more photos of Pacaya's latest activity here:
www.daylife.com/search/photos?q=volcano
From these you can see that apparently there is Strombolian activity from a new vent quite low down on its flank (not far from a village it seems), which is also emitting multiple lava flows. These photos are not of the big eruption of last week but of relatively modest activity going on right now.

i47.tinypic.com/2ziog1c.jpg :-o
The lighting and clouds fascinate as always. :-D

Meanwhile from somewhere in the South Pacific ...
tannatranslation.blogspot.com/2010/06/ash-from-mt-yasur.html

P.S.
Hi Boris. Off to view your suggestions.

From the internet archives

http://www.archive.org/search.php?query=volcano%20AND%20mediatype%3Atex…

Looks like Iceland has had some quake activity ... this is the 15 minute quake energy plot.. I forgot to set the label. Vertical axis is power in Joules.

http://i49.tinypic.com/dy1zio.png

And... while I have the file open... Quakes of SW Iceland top down view, depths color coded.

http://i46.tinypic.com/2emcxnn.png

@ Jen (52) and Passerby (53): perhaps you saw one of these non-rainbows?
http://www.atoptics.co.uk/rainbows/notabow.htm

This was the only quake in the last 4 hours. Tremor plots didn't show but two small ticks, after yesterday's burst. Are we expecting more to it? Weather not favoring observation.
Depth:7.8 kmMg: 0.99.8 km SW of Básar

#59 Lava flows on Pacaya are amazing. And we should expect lava from Tungurahua, where a lava lake like the two in Kilauea is forming. But no live cams. :(

Thanks Boris. During the day, I switch to PuÊ»u Ê»ÅʻŠcam with the lava field, complete with multiple steaming vents and the ocean.

http://volcanoes.usgs.gov/hvo/cams/TEcam/

http://www.cenapred.unam.mx/popo/UltimaImagenVolcanI.html

Ahh, not ash. Snow-fall. Cold front moved through the region.

@ Raving (thanks, as always, for the informative plots)

i46.tinypic.com/2emcxnn.png - continued surficial tectonic activity within fissures and geothermal fields on the western end of the SISZ, at the southern terminus of the WVZ. No surprises here, continued lithospheric pore pressure fluctuations.

The cumulative EQ plot tells the story.

Slightly off topic, but of interest. The Four Craters Lava Field, in Oregon has a

"Crack-in-the-Ground" a volcanic fissure over two miles long and up to 70 feet deep, marks the western edge of this small, volcano-tectonic depression.

Links:

http://atlasobscura.com/place/crack-in-the-ground

www.volcano.si.edu/world/volcano.cfm?vnum=1202-14-

The unusual weather patterns of the UK/Northern Europe continues, suggesting that blocking anticyclonic air flows will persist. If there are further eruptions of ash, it may continue to present problems to European and trans-Atlantic air traffic.

http://news.bbc.co.uk/2/hi/scotland/highlands_and_islands/10238296.stm

'Skiing could take place at the CairnGorm Mountain resort (Scots Highlands) at midsummer for the first time in living memory.'

Highly Allochthonous is hosting the Accretionary Wedge #25.

This one is particularly interesting, in that they asked for "your favourite geological imagery" which they've arranged in alphabetical order. In addition, there're a wide variety of links to other geological blogs. I've bookmarked in my "to explore" list. ;-)

http://scienceblogs.com/highlyallochthonous/2010/06/accretionary_wedge_…

http://en.vedur.is/earthquakes-and-volcanism/earthquakes/vatnajokull/#v…

More quakes at Bardarbunga.

Here is another strip of tremor plots. Looks as if a bit of activity may be re-emerging.

http://i49.tinypic.com/1j1xy.png

Passerby@69 - Today's paper has further skiing info as we've had a some good weather over the last few days...

http://www.heraldscotland.com/news/home-news/skiing-in-june-is-flipping…

Popacatapetl looking good, Turrialba, clouded in, Lady E clouded over as usual. Nice orange Mustang on Mulakot!

The last time the Scottish Highlands had a bonkers snow season was 1992.

1992: VEI 5+ and 6 at Hudson and Pinatubo respectively; VEI 3 at Mt St Helens and Hekla. Lots of eruption activity at high latitudes (Aleutians and Kamchatka, Japan, Iceland), both poles (New Zealand, South Pacific, southern South America).

@ Jen and Passerby #52&53 Ursula at #64 is correct. I was going to say something about it, but she beat me to it. I have seen a lot of pictures of clouds like the one you posted, Jen, on EPOD, Earth Picture of the Day which is like APOD, Astronomy Picture of the Day. Both are interesting to see. EPOD shows a lot of cloud formations and describes how they form. It has to do with the hexagonal ice crystals and they have to be in specific positions to get the color. On the post Ursula sent, the first one is representative of what you saw, Jen. They are beautiful.

Check out both EPOD and APOD. Good stuff there.

How about a professional astronomer's explanation? Also has a great photo, taken last week in Ohio. Matches what I wrote earlier, as explained to me by NASA physicists I was working with at the time (I wrote, above: it's caused by high altitude ice crystals that are charge aligned with the Earth Circuit and have a specific refracting geometry).

The photos of circum-horizontal arcs are nearly identical to what I observed, but I didn't realize how rare an occurrence this is, at the time. I even pulled over at a rest stop to take a good look, as it was safer than trying to gawk while driving at 70 mph. :-)

http://apod.nasa.gov/apod/ap090512.html

'The reason here is that ice crystals in distant cirrus clouds are acting like little floating prisms. Sometimes known as a fire rainbow for its flame-like appearance, a circumhorizon arc lies parallel to the horizon. For a circumhorizontal arc to be visible, the Sun must be at least 58 degrees high in a sky where cirrus clouds are present. Furthermore, the numerous, flat, hexagonal ice-crystals that compose the cirrus cloud must be aligned horizontally to properly refract sunlight in a collectively similar manner.'

My word correction didn't take: photo taken in May 2009...not last week.

This is the start of the season for viewing noctilucent clouds (early summer through fall), although I could swear that there has been an unusual number of them reported late last winter and this spring as well.

Hi all!

I,m looking in to see how things are going. I really like that this a real time commentary chat, that way I can pick up on past events. I looked at Boris Hawaii-cams but nothing interesting right now, and no Mustangs at Mulakot either.

http://hraun.vedur.is/ja/Katla2009/stodvaplott.html
Looks like it´s moving up a bit again, I gonna follow for a while to see where it goes.

According to the news there are now steam plume rising about 15,000 to 20,000 feet up in the air. Some small explosion have been reported and little ash following those explosions.

http://www.ruv.is/frett/hair-gufubolstrar-stiga-upp

According to the half-assed Google translation, magma is rising and surges from time to time.

Next surge will occur within approx 36-48 hours.

Maybe I'm wrong, but isn't it Eyjaf's steam coming downslope viewed from Katla cam?
http://www.ruv.is/katla/

This eruption is over.

@Jon Frimann (17) You weren't kidding abouut "Google translate Icelandic at your own risk". I tried it and what I got looked more like an algebra equasion than prose. Glad you can make sense of these Icelandic words with the pretty letters I have no idea how to pronounce. Maybe you could play the professor and teach us an Icelandic word-a-day, so we can muddle through the IMO reports. What's "volcano", "tremor", "magma", etc.....???

@Diane (34) Regarding your "earthquake weather" theories: I don't think there is really such a thing as a bad theory. It means that at least someone is making observations and asking questions. How many scientists can you think of that were drummed out of town for "ridiculous theories" which later turned out to be at least partially correct? Lots, right? We liberal arts types who are sitting here trying not to look too conspicuous amongst this gathering of scientists and enthusiasts prabaly stand a good chance of making comments that are sublimely ridiculous, because we are not immersed in the conventional body of knowledge. But that may turn out to be a strength as well. Some of what we think we know is bound to be wrong. So, a great "Huzzah!" to all those who watch, think and ask, regardless of the depth of their knowlege.

@Passerby #76, I am familiar with what you have said. I have read that when I was checking out the phemomenae on EPOD as they give the same explaination just about every time they show a photo. I just couldn't remember all of it. LOL

The colors are just beautiful when it happens and I have seen some of the phenoms in the clouds, just not the straight across ones. I have seen the arcs. I have yet to see the noctilucent clouds.

I have seen the Aurora down here in N CA once. I saw the pinkish-red color in the sky and I had to pull over to see what was going on. It was quite a show. It is very rare to see the Aurora down this far and several people besides me had pulled over on the turn-out to watch. It was awesome.

The PuÊ»u Ê»ÅʻŠCone cam is interesting now (dusk to night)

http://volcanoes.usgs.gov/hvo/cams/POcam/

Thank you everyone for the links and explanations. It was definitely a circumhorizontal arc, red was on top and not on the bottom as it would have been were it a circumzenithal arc. Another reason why I should always have my camera with me! We've been having a cold, wet, fairly dismal late spring here in the Pacific Northwest, there ought to be some silver (or rainbow) lining.

Plume now visible on Múlakot cam.
http://www.simnet.is/jonfr500/earthquake/vefmyndeyjafjalmulaen.html

According to this news report (in Icelandic) there is a small eruption happening at the moment. With small ash fall following it. This is what currently is happening now. But this eruption is quite small compared to what did happen before.

http://www.visir.is/smagos-i-gangi-med-nyju-oskufalli/article/201032579…

Anyone else see this earthquake from Katla?

There are new update on the activity in Eyjafjallajökull on Icelandic Met Office website. This information is in english.

http://en.vedur.is/earthquakes-and-volcanism/articles/nr/1884

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