Mystery Volcano Photo #19

It has been a while since I’ve posted a Mystery Volcano Photo, but here is a new one. Just a refresher on the current standings:

The Bobs – 3
Don Crain – 3
gijs – 2
Boris Behncke – 2
volcanista – 1
Lockwood – 1
Elizabeth – 1
Ralph – 1
Anne – 1
Cam – 1
gg – 1
Damon Hynes – 1
Marco – 1
Doug C. – 1
Diane – 1

So, here is the new one … take your best guess (but I’m sure someone will get it much faster than I would imagine) … Good luck!


  1. #1 Mattias Larsson
    March 17, 2010

    It looks extraterrestrial to me. Olympus Mons on Mars?

  2. #2 Henrik
    March 17, 2010

    Emi Koussi Volcano, Chad 🙂

  3. #3 RachelM
    March 17, 2010

    I thought Olympus Mons too, can I say that as well?

  4. #5 damon scott hynes
    March 17, 2010


  5. #6 Boris Behncke
    March 17, 2010

    Henrik’s right. Emi Koussi is the one.

  6. #7 Birger Johansson
    March 17, 2010

    Mattias Larsson and RachelM were not far off the mark when guessing Olympus Mons:
    “ Emi Koussi has been used as a close analog to the famous Martian volcano Elysium Mons [which is quite similar to Olympus Mons, my comment].” However, E. K. is 3,415 m high, while Elysium Mons is 13,862 m and Olympus Mons is 21,171 m. .

    E. K. is a *pyroclastic shield volcano*, here is a link

  7. #8 Birger Johansson
    March 17, 2010

    Sorry, the second link was wrong, here is the correct one: Pyroclastic shield volcano :

  8. #9 Don Crain
    March 17, 2010

    Yup. It is Emi Koussi.

  9. #10 Diane
    March 17, 2010

    @Boris, just in case you check in here again, what do you think of what is going on with Eyaf? I am sure you have been at least checking in on the thread under Erik’s post. If you have the time, give us a yell over there and send your opinion. WE NEED TO HEAR FROM YOU! 🙂

  10. #11 Chance Metz
    March 17, 2010

    So it is a martian volcano? That is kinda what thought too.

  11. #12 Gijs de Reijke
    March 17, 2010

    Calling Chad ‘Mars’ might upset some of the Chadians 😉 . If I’m correct both Erik and Dr. Ralph Harrington (Volcanism Blog) had to deal with angry Eritreans after they posted a picture of a cloud of SO2 that was hanging over East Africa in which the border between Eritrea and Ethiopia wasn’t visible XD .

  12. #13 Birger Johansson
    March 17, 2010

    @10: “So it is a martian volcano? That is kinda what thought too.”
    The terrain around Emi Koussi is certainly desolate enough to pass for Martian…
    Then again, if there was more rainfall, the features would have been more eroded and less distinctive. Interesting to see a volcano in a diametrically opposite setting to the Icelandic ones.

  13. #14 Eric
    March 17, 2010

    Nice colour photo of EK at Smithsonian GVP from someone doing aerobatics:

    ‘Hey mum, I did a loop de loop over a volcano in Chad yesterday…’

  14. #15 Eric
    March 17, 2010

    Oops, spaceshuttle. I’ll miss them when they retire.

  15. #16 Boris Behncke
    March 18, 2010

    @Diane … I definitely will say a word in the Eyja thread in a moment, though I don’t really know what to say 🙂 It’s a volcano that is poorly known, has a relatively dilute eruption history, and its last eruption dates nearly 200 years back. So, really not much to build on for comparison. It looks like a pretty much closed system, differently from those volcanoes, as Grímsvötn, which erupt frequently and seem to be more open. From the seismic activtiy that we see there in these past few weeks, it definitely looks to me like there’s a significant magma movement going on. I don’t think external processes like glacier movement or whatever else are important here, also because there’s strong deformation of the volcano (the Nordvulk web site has an impressive diagram at
    Well, I will be back in a short time in the Eyja thread, stay tuned.

  16. #17 Diane
    March 18, 2010

    Thanks Boris. Iappreciate your input even if you don’t think there is much you can say about it. You certainly know more than I do!!!!

    I tried the link and I got the box that said the site was not found so I don’t know what is going on there. Thanks anyway.

    I can say it sure has been interesting reading everybody’s posts on Eyjaf. And Korf’s 3D models have been great.

    I look forward for your post.

    Maybe a note on Stromboli ,too? I tried to get into it from Stomboli on line and I wasn’t able to get anything. Maybe later.

  17. #18 Diane
    March 18, 2010

    Just to keep another volcano in site: there are now 65 quakes on the map that shows Long Valley and also south of the caldera. I counted 35 in the vacinity of Mammoth Mt. The quakes are shallow, about 3miles deep and I have no idea what is going on there. Could be interaction with water and/or CO2. I know there is a magma chamber under Mammoth as well as Long Valley. Just another volcano I check up on.

  18. #19 Diane
    March 18, 2010

    That is supposed to be “sight” not “site”!

  19. #20 Lauchlan Giddy
    March 20, 2010

    Hi Volcano Guru
    I am researching earthquake prediction using cloud and weather information, so far it seems too easy.
    While on flash earth I happened across Isla Guadalupe OFF THE WEST coast of Mexico. It appears to be a totally volcanic Island but SEARCHES keep getting lost with another west Indian Island. To cut it short, cant find data but saw an area of clear air in shape of a V cutting continuous cloud cover, with a smoke or Vapour trail coming rom the island. Any info /links on history for seismic activity or recent rumblings?
    yours in all things that shAKE AND RUMBLE.

  20. #21 anneliese johansen
    March 22, 2010

    Jebel Marra?

  21. #22 Té Rowan
    March 28, 2010

    @Diane: You need to remove the paren-and-dot from Boris’s link to

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