Why does the Hawaii Kilauea volcano keep erupting?

  • Published on May 10, 2018
  • Hawaii's Kilauea volcano could soon send boulders and ash shooting out of its summit crater in the kind of explosive eruption last displayed nearly a century ago. CBC science commentator Bob McDonald explains why Kilauea has been continually erupting for centuries and how it compares to other volcanoes.
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Comments • 1 373

  • M R skunk budz
    M R skunk budz 8 days ago

    Its growing simple now dum peple see ferst hand how hawaii was made

  • De Rekt
    De Rekt 3 months ago

    Big oof

  • Johan Swan
    Johan Swan 6 months ago

    Revelation 8 verses 8-9

  • Joe the gaming man Joe
    Joe the gaming man Joe 6 months ago +1


  • Noah Lawler
    Noah Lawler 7 months ago

    Hawaiii is just on volcanos

  • SyrDoN
    SyrDoN 7 months ago

    I'm saving this in case the eastern rift zone has a massive landslide. You forgot about the island chains most disastrous potential.

  • Matt Grillz
    Matt Grillz 7 months ago

    Good to see someone not blow their own lid over this, people been way to paranoid. It is bad, but like he said, the others on hawaii arent bothered, its local. Good luck to those affected

  • Spider-man the Hero
    Spider-man the Hero 7 months ago

    The gods are angry at you guys thats why

  • MarchOf TheLorex
    MarchOf TheLorex 7 months ago

    If only we could throw all the racists into the lava.

  • Peter Scherling
    Peter Scherling 7 months ago

    As the ocean temperature rises the sea gets heavier and weighs down on the soil to push the magma up ! Also heat rises so it looks to me another 3 months of magma unless the ocean doesn’t cool down in September! Maybe the scientists can explain Noah’s arc! But if they can’t or choose not to then the Bible stands to say Hawai’i is only maximum 4000 years old about! Also it’s highly possible that Hawai’i becomes the new South Pole! Edgar casy might be right! Wait and see!

  • Libery One
    Libery One 7 months ago

    I think I rather live near by a volcano than be married to that woman!

  • Tyte Hhays
    Tyte Hhays 7 months ago

    What does this mean for the world? More eruption's

  • Songs Mirth
    Songs Mirth 7 months ago

    He looks positively happy. Thank you for explaining that. Very interesting. He's a good teacher. What we want to hear is that all those stubborn people who are refusing to come out, come out and there isn't another Truman. I think that was he name. The older man who did interview after interview bragging that Mt. Saint Helens was his home and he'd never leave! I wonder if he'd NOT done those interviews, not bragged so much, if he would have come out? We saw the destruction the day they reopened the mountain. We happened to be there and it was terrifying to see all those trees just mowed down like they were nothing! Frightening. We sure hope there aren't people who are too proud on Hawaii. It makes SO sense that people will stay. God gave us a brain for a reason and it isn't to take our own lives because of pride. :( Mahalo from Montana. Songsmirth

  • Pat Stokes
    Pat Stokes 7 months ago

    Is that guy a professional or not. Because the difference in why some volcano explode and other flow is NOT water. The composition on the megma is the difference. Volcanoes with lower quantities of Silica will flow as the magma is more viscous. Water has zero to do with it. It makes me wonder how you can have just a guy telling people faulty information on the news.

  • Lisa Archer
    Lisa Archer 7 months ago

    Can Bob get his own show? I like the way he explained things.

  • RC Hobbyist Extreme
    RC Hobbyist Extreme 7 months ago

    never happened. Way to go BS media.

  • Gabriel of Urantia
    Gabriel of Urantia 7 months ago

    Boy that's Tourist propaganda for sure.
    He forgot to mention on the big island biggest active volcano is flaring up. Mauna Loa

  • unru11ey1111 unru11ey1111

    Why doesn't anybody consider the reactor cores that have been burning down toward the core of the earth since 2011 from fukushima.hitting lava tubes on it's way to the core.All volcanoes are connected through the core aren't they ?So why wouldn't those reactor cores release pressure through these lava tubes?I'm not claiming to know what's going on here.Im just wondering why nobody has even considered this.

  • Adam Hagen
    Adam Hagen 7 months ago

    This guy just makes so much sense when he talks...

  • Moneynvrsleeps
    Moneynvrsleeps 7 months ago

    Think bob comes back to eat crow?

  • Vortexx blaze
    Vortexx blaze 7 months ago


  • sickasso72
    sickasso72 7 months ago

    Geeesh-- here comes climate change- should’ve signed paris accord-dammit Trump!!!!

  • Michael Schuenemann
    Michael Schuenemann 7 months ago

    Great !

  • Forever Freedom
    Forever Freedom 7 months ago

    Look like a Hollywood fireworks CGI.

  • b00ger901
    b00ger901 7 months ago

    So don't buy a house to the south east of a volcano... problem solved.

  • Tom Skillman
    Tom Skillman 7 months ago

    Thanks for the good, clear, scientific explanation of what is going on with Kilauea. Use Google Earth to see whole chain of Hawaii islands and all the peaks just under the ocean surface. Stunning.

  • Noel Reid
    Noel Reid 7 months ago

    Hawaii is the main venting of earth and it is needed to keep a balance and prevents more dangerous pressure like that in Yellowstone which is apocalyptic. Our earth is breathing and the Lava might have traveled all the way round the world and now it is venting time. Hawaii this year and somewhere else next year or even this year. The earth has molten lava underground rivers or veins that keep moving and when it is tine to vent due any build up of pressure this what we get. I would not live on an Island that has an natural earth pressure vent. But this me talking and I am only a farm boy.

  • Moe Joe
    Moe Joe 7 months ago

    I think Hawaii Kilauea volcano keep erupting to balance the Earth's 30 degree wobble from March 4th just before eruption, it's pole shift or gravity pull from Planet X, Tectonic Shift, Is the Yellowstone Super volcano Next?

  • Lorena Arias
    Lorena Arias 7 months ago

    Very clear explanation. Thank you

  • Shawn Schrader
    Shawn Schrader 7 months ago

    Leave it to Canada say it’s not big deal and it’s spectacular thing.

  • C Lan
    C Lan 7 months ago

    Thanks Obama!

  • Darnisha Bell
    Darnisha Bell 7 months ago

    It's called The wrath of the most high i don't understand why people ain't in the middle of the street repenting people still don't want to give the God of Abraham Issac and Jacob all the Glory SMH

  • Steven Jones
    Steven Jones 7 months ago

    Still cant let your guards down ..how many times have man said its not a big deal..then it becomes a big deal..what if it spew out for decades non stop?

  • Ric Flair
    Ric Flair 7 months ago

    Your making predictions on data, right and trends and historical analysis. Good. Unfortunately there are peoples lives at risk here. If I lived on that Island, I would be on the next plane out of there with my family and loved ones. Why risk what we human beings do not understand or have the methods to control mother nature and her wrath. @ 1:45 oh there is "hardly any water involved" ISLAND SITTING IN THE MIDDLE OF THE PACIFIC???? Right....

  • E Mack
    E Mack 7 months ago

    This lava will make fertile farmland in a few thousand years.

  • Nick Escavor
    Nick Escavor 7 months ago

    because the Americans stole their land

  • Phonicks
    Phonicks 7 months ago

    Ole Bob is just a chatter box huh? lol

  • Save Hope
    Save Hope 7 months ago

    3:20 "WeeHee"

  • Jason Oconnor
    Jason Oconnor 7 months ago

    Thank You Canada, leave headed talk.

  • Raffaela Bartsch
    Raffaela Bartsch 7 months ago +1

    the newsmen have to say something for the money they are being paid so they keep dramatizing it over and over they got 24 hr eachday

  • Pansy Blackwell
    Pansy Blackwell 7 months ago

    What could happen if lava keeps flowing for the next thirty five years, a least?

  • Larry M.
    Larry M. 7 months ago

    This is all Obamas fault. It's God upset with the far left. You haven't seen anything yet.

  • Anthony Lemkendorf
    Anthony Lemkendorf 7 months ago

    Thanks for the metrics lesson.

  • MyChilepepper
    MyChilepepper 7 months ago

    Go build more houses on top of volcano. Duh!

  • Mel Mel
    Mel Mel 7 months ago +1

    She interrupts him at least twice. SIGH

  • Gruber Schmitermit
    Gruber Schmitermit 7 months ago

    From the fire they came, and found the souls of Lord's within the flame.

  • DJ Deckard Cain
    DJ Deckard Cain 7 months ago

    because its a volcano thats connected to the WORLDS supply of lava and the plate that hawaii sits on is constantly being pushed below the NA plate? i dunno, simple science why its erupting....seems like a useless...

  • glersh nern
    glersh nern 7 months ago

    South East side is hilina slump

  • Erick Hudson
    Erick Hudson 7 months ago

    Because no one there prays, no one there talks about God, god is angry at Hawaii

  • Will Camick
    Will Camick 7 months ago

    This guy is a quack

  • Round One
    Round One 7 months ago

    this volcano will destroy all of hawaii if it doesnt stop

    • Round One
      Round One 7 months ago

      the whole island is a volcano

  • sclogse1
    sclogse1 7 months ago

    Note the poster....cool. Not original, but still cool.

  • Clos Wood
    Clos Wood 7 months ago

    Just drop liquid nitrogen in there and some dry ice

  • Allison taylor
    Allison taylor 7 months ago

    Great video with understandable information.

  • roachtoasties
    roachtoasties 7 months ago +1

    These volcanoes have existed for as long as earth has existed, and will exist long after people no longer exist. In Hawaii, they're shield volcanoes, that are mainly lava flows, not an explosive stratovolcano like Krakatoa. The volcanoes in Hawaii created the islands, although it's the Big Island where they are and the other islands kind of drifted geologically from that point over hundreds of millions of years. There's absolutely nothing one can do about volcanoes. It's earth and its geology. They will start and stop erupting depending on whatever geology. Hoping it will stop, or making some idiotic statement linking volcanoes to politics will make no difference.

  • Roger K
    Roger K 7 months ago +1

    Let him explain, quit interrupting .

  • flying turtle
    flying turtle 7 months ago

    Nice report. Just wanted to clarify, the video that shows the grey ash clouds and the deep circular lava pit are taken at the summit crater of Kilauea which is actually 20 miles west of where the fissure outbreaks near the coast are. The lava that is spewing out is from the underground lava system which would normally be pooling in the main crater's vent. In late April the lava began draining from that main vent and began moving underground toward where the current volcanic activity is occurring. Initially the scientists thought the lava would exit at the Pu'u O'o vent which is about halfway to the current activity. This vent was really active from 1990-2014 with many spectacular lava flows to the sea. The sensors actually indicated that Pu'u O'o was filling with lava , but in a short time it became clear that the lava was moving on, and it must have surprised people when the fissures opened up in early May in Leilani Estates. Many have questioned why a geothermal well and residential neighborhood would have been built in an active volcano zone. Actually, in that area, the last eruption was in 1960 in the town of Kapoho, which is the region that is the farthest eastern tip of the island. Exploratory drilling for the geothermal well was done in mid 1970 as an alternate energy source during the time of high oil prices and gas rationing (1975). The unpopular venture was monitored for nearly 20 years for feasibility and stability and must have been deemed safe as the power plant was built in 1993. Leilani Estates must have used the geothermal project as reassurance for building there and actually the last lava flows in that area were in 1955. I actually watched that from my grandma's house. Anyway the decision to build there has just been shown to be a costly unfortunate gamble. One last point. Bob's colleague was concerned about the large boulder explosions. That is actually a concern at the Main summit crater which I already pointed out is 20 miles away. The mechanics of those explosions are like this; as the lava drains from the main vent toward Leilani Estates the level of lava at the summit will fall below the artesian water table level. The walls of the main vent will be collapsing in on itself and act as a debris plug. Meanwhile the water flowing into the vent will build up steam pressure until it is released as an explosive ash cloud eruption and the process will continue until the lava level rises to cut off the water source, So there is water involved, but the volcanoes Bob mentioned Mt. Etna, Herculaneum, et al, have debris plugs that build up over many years and are more massive and densely packed and the pressures that build up are magnitudes more powerful and also contain explosive volcanic gasses so they are much more violent. Also the lava in Hawaii eruptions, we call pahoehoe (pah-hoy-hoy) is more fluid and release any gas or steam pressures easily as seen in the fountaining at Leilani Estates. So deceptively beautiful.

  • We don’t know Our name

    I’m from the islands and this information was given to us in first grade

  • We don’t know Our name

    Excuse me but isn’t that how island are form? Everyone should know that by now, the island of Hawaii is on the fire chain of the Pacific Ocean is no surprise that Hawaii is still a virgin island because is still growing

  • Darcy Skrill
    Darcy Skrill 8 months ago

    if the fissures are coming open above the hole where volcano erupts and it takes thousands of years to shift from one fissure to the next the why are there over 20 fissures spread over a long distance? wouldn't it just come out one spot for a long time then slowly shift along as the plates move, i don't know, i'm not really satisfied with that explanation

  • Alto's Music Lab
    Alto's Music Lab 8 months ago

    him good, her not so much

  • Ryan Meyer
    Ryan Meyer 8 months ago

    Cahf ah nafl mglw'nafh hh' ahor syha'h ah'legeth, ng llll or'azath syha'hnahh n'ghftephai n'gha ahornah ah'mglw'nafh.

    ng ep nilgh'ri cahf mgep mgepah seen, ymg' r'luhhor ah ah'legeth

  • Art Silver Falls Art
    Art Silver Falls Art 8 months ago

    Because it can

  • Jarvis Moore
    Jarvis Moore 8 months ago

    Why couldn’t I have him for biology 😒

  • Rachel Lee
    Rachel Lee 8 months ago

    The lady is trying to get him to play into the panic and he's not having

  • John Carlos
    John Carlos 8 months ago


  • Lexi Unicorn
    Lexi Unicorn 8 months ago +1

    wow bob is so good at explaining things, i wish he taught me science in school!!

  • Blake Alvarez
    Blake Alvarez 8 months ago

    let experts talk about this, and keep ignorant reporters from scaring people. stop interrupting him until hes done talking!

  • 2 Cents
    2 Cents 8 months ago

    If you throw water on it there is a chance it will turn into cobblestone or obsidian..

    Bad Minecraft joke 😞

  • Alberto aka Turtleman
    Alberto aka Turtleman 8 months ago

    thanks for explaining how the Volcano works

  • Arnold Stollar
    Arnold Stollar 8 months ago +1

    Repent, and believe the Gospel., holy scriptures.

  • Arnold Stollar
    Arnold Stollar 8 months ago +1

    It’s a warning from God.

  • Keone Jones
    Keone Jones 8 months ago

    The only bother to us on the other side is the vog blowing this way.

  • Justin87
    Justin87 8 months ago

    Lava is earths ejaculation

  • ぷらちなくい―ん

    People in this clips look happy

  • Jimson brown
    Jimson brown 8 months ago

    Why is she yelling?

  • jim hall
    jim hall 8 months ago

    nice Bob .could this be part of the trump effect ?

  • S Biegs
    S Biegs 8 months ago

    Oh... Thanks Obama

  • ItsyagurlShay J
    ItsyagurlShay J 8 months ago +4

    He's a good teacher.

  • moody venom
    moody venom 8 months ago

    I thought Yellowstone was the biggest volcano but not active right now

  • Doc Lewis
    Doc Lewis 8 months ago

    Ouch...no water? Um...ocean? Water table? Hmmm...the lava in the volcano has dropped and yes there could be water that gets to it from tubes made by the volcano itself centuries ago/decades ago. It is a danger. It may not ever happen but you can't say it won't happen. It's not likely to hurt anyone because it's in a National Park area (thank goodness for national parks).

  • Helge Moulding
    Helge Moulding 8 months ago

    The Pacific plate is moving at just 7 cm per year. In a thousand years that's less than the length of a football field. I think Bob's estimate of "a couple thousand years" may be a bit optimistic. :-)

  • Victrola 1926
    Victrola 1926 8 months ago

    because the god awakoawko is mad

  • Sheenal Deo
    Sheenal Deo 8 months ago

    People are being evacuated. It isn’t “spectacular.” 😒

  • 3Gunner
    3Gunner 8 months ago

    Really good Idea there boss......living on a Volcano that is 😆

  • Vaneshia Ragland
    Vaneshia Ragland 8 months ago

    I was reading the comments and I guess everyone was thinking the same. This man should or I hope he is a teacher. Wow, his way of explaining and giving a visual to help us understand is amazing.

  • chris corona
    chris corona 8 months ago

    That lava looks awesome

  • Lewis Cleveland
    Lewis Cleveland 8 months ago

    Cause it ain't done!

  • Shannon Mc
    Shannon Mc 8 months ago

    Why? Because Pele is pissed 😂

  • AR T
    AR T 8 months ago

    Well make some good ole man made fissures to direct the lava flow. Pop that zit before it pops itsself. Use your lava wisely.

  • Black Gamer
    Black Gamer 8 months ago

    if you are hawaii you need to evacuate

  • Allen A
    Allen A 8 months ago

    You ask why the volcano keeps erupting. It's because Madame Pele is annoyed with the people on Hawaii.

  • falling Angel
    falling Angel 8 months ago

    It demands a sacrifice

  • Heidi K.
    Heidi K. 8 months ago

    This is all part of the end times scenario, the 7 year Tribulation is right around the corner, GOD'S wrath upon the unbelievers. Please get rapture ready people! Accept JESUS CHRIST as your personal Lord and Savior who paid n the cross for your sins and came back to life on the 3rd day!!!

  • Jordan Burton
    Jordan Burton 8 months ago

    Finally new land

  • Maui Randall
    Maui Randall 8 months ago

    I love all these jealous mainlanders acted like we should evacuate the islands and they're not coming here because of "dangerous" Ash in the sky when our air is still like a hundred times cleaner then the city they live in probably a hundred times cleaner in every aspect
    Jealousy pure and simple

  • xXxKillquickxXx
    xXxKillquickxXx 8 months ago

    The next volcano should be called moana so Maui isn't lonely

    • xXxKillquickxXx
      xXxKillquickxXx 8 months ago

      Maui Randall Maui is a god in moana named after the volcano, the people in the movie are Samoan, just thought it was a funny pun

    • Maui Randall
      Maui Randall 8 months ago

      I'm kind of lonely but I don't see how naming a volcano after a kids movie would help that

  • I am depression
    I am depression 8 months ago

    Here's some common sense the hawaii volcano had a eruption like this before it just effected hawaii

  • Lil rome
    Lil rome 8 months ago

    My girlfriend made me erupt