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Thread: Kīlauea Activity

  1. #31
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    Quote Originally Posted by Trebuchet View Post
    That's very helpful on the water table concern, thanks.
    Yes, thank you.


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  2. #32
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    No problem! In an almost-life I was a geologist.

    Heh.

    CJSF
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    If you were incorrect
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  3. #33
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    Quote Originally Posted by CJSF View Post
    This USGS page on the 1924 eruption has a graphic about 1/2 way down that might help explain it.

    https://volcanoes.usgs.gov/volcanoes...alemaumau.html


    CJSF
    Thanks to that link, I've been looking at the other history pages on the site and have learned that there was an eruption very similar to the current event in 1955. Why do people keep building houses there?
    Cum catapultae proscriptae erunt tum soli proscript catapultas habebunt.

  4. #34
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    Quote Originally Posted by Trebuchet View Post
    Why do people keep building houses there?
    For the same reasons people build houses on flood plains, on barrier islands, on hillsides that are prone to wildfires and mudslides, etc., but that is probably a discussion of another thread.
    At night the stars put on a show for free (Carole King)

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  5. #35
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    Quote Originally Posted by Trebuchet View Post
    Thanks to that link, I've been looking at the other history pages on the site and have learned that there was an eruption very similar to the current event in 1955. Why do people keep building houses there?
    That’s true of any region prone to natural disasters, though. We could probably overlay the areas most prone to each type of hazard to find the safest possible area in the US to live, but I doubt it would hold all of the people who moved from Hawaii, Tornado Alley, California along the San Andreas Fault, Florida, etc. if they all relocated.

  6. #36
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    Quote Originally Posted by Swift View Post
    For the same reasons people build houses on flood plains, on barrier islands, on hillsides that are prone to wildfires and mudslides, etc., but that is probably a discussion of another thread.
    Quote Originally Posted by KaiYeves View Post
    That’s true of any region prone to natural disasters, though. We could probably overlay the areas most prone to each type of hazard to find the safest possible area in the US to live, but I doubt it would hold all of the people who moved from Hawaii, Tornado Alley, California along the San Andreas Fault, Florida, etc. if they all relocated.
    Totally agree. And as far as threats to human life go, the people in those houses on Kilauea are probably at less risk than those in Orting, WA
    Cum catapultae proscriptae erunt tum soli proscript catapultas habebunt.

  7. #37
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    Boom. Multiple 30,000 ft ash explosions from Kilauea's peak vent.
    I expect the lava lake cams have been vaporized.

  8. #38
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    Some seem to be OK:

    https://hvo.wr.usgs.gov/cams/panorama.php?cam=KIcam

    https://hvo.wr.usgs.gov/cams/panorama.php?cam=K2cam

    https://hvo.wr.usgs.gov/cams/panorama.php?cam=KWcam

    The vent overlook thermal camera hasnít updated since early April.


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  9. #39
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    Hey, didn't the big Krakatoa event of 1883 form from a very similar situation?
    Time wasted having fun is not time wasted - Lennon
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  10. #40
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    Quote Originally Posted by BigDon View Post
    Hey, didn't the big Krakatoa event of 1883 form from a very similar situation?
    Not really. Kilauea is a shield volcano; Krakatoa is a stratovolcano. Different types of lava and different violence of eruptions.

    https://www.universetoday.com/40601/mount-krakatoa/

  11. #41
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    Quote Originally Posted by VQkr View Post
    Not really. Kilauea is a shield volcano; Krakatoa is a stratovolcano. Different types of lava and different violence of eruptions.

    https://www.universetoday.com/40601/mount-krakatoa/
    I was referring to the type of explosion, not the type of volcano. A phreatic eruption as opposed to a strombolian eruption. I was lectured on the belief the magma chamber of Krakatoa was flooded by sea water back in a geology class in the 70's.
    Time wasted having fun is not time wasted - Lennon
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  12. #42
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    This aerial video was taken on Saturday, May 19 showing significant lava flow from rift 20.
    Last edited by schlaugh; 2018-May-20 at 02:03 AM.

  13. #43
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    Quote Originally Posted by BigDon View Post
    I was referring to the type of explosion, not the type of volcano. A phreatic eruption as opposed to a strombolian eruption. I was lectured on the belief the magma chamber of Krakatoa was flooded by sea water back in a geology class in the 70's.
    The 1883 Krakatau eruption was plinian, not strombolian. While phreatic effects may have contributed to the overall sequence, the big eruption would have been due to a rapid buildup of pressure from degassing as fresh, hot magma was introduced into the magma chamber. That's my understanding.

  14. #44
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    Quote Originally Posted by geonuc View Post
    The 1883 Krakatau eruption was plinian, not strombolian. While phreatic effects may have contributed to the overall sequence, the big eruption would have been due to a rapid buildup of pressure from degassing as fresh, hot magma was introduced into the magma chamber. That's my understanding.
    Hmmm, should I go with a dimly remembered lesson plan from a bored, general education junior college teacher's assistant, (history class no less), from 30 years ago or with Geo's explanation?

    Alright Geo, you win, this time...


    Time wasted having fun is not time wasted - Lennon
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  15. #45
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    Anyone measured how much Radon this thing is putting out?

    Is emitted carbon dioxide likely to mess with CO2 readings over at Mauna Loa?

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