Is it just us or is it getting hot in here, gang? Prepare to delve into the depths of the earth and uncover these seriously hot volcano facts – if you dare!

Volcano facts

Volcano facts

1. Put simply, a volcano is an opening (usually in a mountain) in the Earth’s surface from which gas, hot magma and ash can escape.

2. The word “volcano” comes from the Roman name “Vulcan” – the Roman god of fire.

3. Volcanoes are often found at meeting points of what are called “tectonic plates”. These plates are pieces of the Earth’s surface that fit together just like a jigsaw puzzle.

4. Volcanoes aren’t only found on the boundaries of tectonic plates, though. They can also occur over “mantle plumes” – super hot areas of rock inside the Earth.

Did you know that we have a FREE downloadable Volcanoes of Ecuador primary resource? Great for teachers, homeschoolers and parents alike!

5. 350 million, or one in 20 people in the world live within “danger range” of an active volcano

Volcano facts

6. Volcanoes are classified as active, dormant or extinct depending on the amount of volcanic activity happening. “Active” means there’s regular activity, “dormant” means there’s been recent activity but that it’s currently quiet and “extinct”, meaning it’s been so long since the last eruption that it’s unlikely to ever erupt again.

7. When you imagine a volcano, you might picture it as a large, slope-sided mountain, but volcanoes can actually be a variety of shapes. Shield (flat), composite (tall and thin), cinder cones (circular or oval cones), and lava domes (where dome-shaped deposits of hardened lava have built up around the vent, as the lava is too thick to flow very far).

8. Magma is the name given to hot liquid rock inside a volcano. Once it leaves the volcano, it’s known as lava.

Psst! Make sure you download our awesome volcano facts infographic – show your friends, family, or stick it on your wall!

9. Volcanoes don’t just occur on land, they can be found on the ocean floor and under ice caps, too!

10. Lava can reach 1,250°C and has the potential to burn everything in its path! If you used a glass thermometer to take the temperature it would melt.

11. The world’s largest active volcano is Mauna Loa in Hawaii standing at 4,169m!

Volcano facts

In A.D. 79, Mount Vesuvius erupted, devastating the Italian town of Pompeii. The ash deposits preserved the town and the remains of the people within it. You can still see them today!

13. The “Ring of Fire”, a 40,000 km Horseshoe shaped area of the Pacific Ocean, is home to 90% of all volcanoes on the Earth.

14. About 1,900 volcanoes on Earth are considered active and are likely to explode again – yikes! 

15. In 1883 Krakatau in Southeast Asia erupted, releasing 200 megatrons of energy, the equivalent of 15,000 nuclear bombs! This generated the loudest sound reported in history.

Volcano facts

16. The soil near volcanoes is said to be rich and fertile which is why some people actually set up home on the slopes!

17. And it’s not just humans that settle on the slopes – maleo birds use the heat from volcanoes to help hatch their eggs! They bury the eggs in the soil or sand near to volcanoes. When the chicks hatch they claw their way up to the surface.

Check out this explosive video, full of exciting facts and information about volcanoes!


What did you think of our volcano facts, gang? Let us know by leaving a comment below!




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  • teetar

    this helped with my geography project

  • wow those facts were really cool

  • Rosie

    I've seen a load of real ones in lanzarote- apparently it was formed as a massive volcano that rose out of the sea! We had a tour around the park and lukily they were inactive; phew!!! I really loved these facts well done!!!

  • Mad Hatter

    Awesome Videos! I loved them! So informative!

  • chat nior


  • poppy

    volcanoes are awesome but I would be terrified if I saw a real one!

  • Georgia


  • Tia


  • Nathan


  • Cooper


  • Lily Brazier

    I like volcanoes they're very interesting and i loveeeeeeeeee them!!!!!!!!!!!

  • YourMum123

    I wanna jump into a volcano

  • Skyejohnstone

    This is so so so so so amazing and I'm loving it

  • Olivia Johnstone

    I'm so amazed by this

  • Awesome

  • wow

  • Volcano Scientist

    Volcanoes are interesting

  • tristan


  • Jayden steele

    Wow I need facts on how volcanoes eurupt

  • Volcanoes are pretty cool but it looks scary

  • Go girl

    Volcanoes are pretty cool

  • Maia

    Volcanos are very dangerous but it has a very good heat .

  • Cool I like it

  • Colby


  • Maia

    I do not like volcanoes but I will like to live by one because it's warm heat will warm my house up

  • Saraya

    Volcanos are the best I like them but I'm sure that I will be scard when I see one.

  • Faye


  • kyleigh


  • Shannon


  • KoolKatz4321


  • BLT


  • Lovecats

    I love volcanos they are sooo cool

  • perfect information for my volcano project

  • Chicken


  • Edward Usher

    This small line of info has taught me a lot of new information about volcanoes that I didn't know! A very well put together seventeen bits of info. Thank you for making it.

  • Kiera Duff

    They are very interesting and cool

  • Jordyn

    I love volcano. I really want to explore one.

  • hello


  • Suzla

    Very good for my class

  • lol


  • wow

  • Luella

    Thanks this is really good because i can use these facts for my volcano science project! Thanks!!

  • isabella

    this is a good for kids that like volcanoes

  • Gouldian

    Volcanoes are awesome. And I read about this explosion in Indonesia (it might have been the one from Krakatau) that was so loud that it woke people up in Western Australia!

  • teacher101

    very handy for my students

  • Violet

    I love volcanoes!!!!!!!!!!!!!!!

  • TJ

    The fact about the word volcano from a Roman word "Vulcan" the Roman god of fire is actually cool.

  • Oscar

    I LOVE VOLCANOES (except that the fact volcanoes are dangerous)

  • Jon


  • Nik21

    I love the facts about volcanos. did you know that there's a volcano that has blue flames

  • Gerra

    I love this ❤️

  • ruby


  • Vitor Folda Mezzalira

    the volcanoes has lots of lava

  • Felipe Franzen Bigolin

    The volcanos is cool because of the lava.

  • Dominic

    Cool facts

  • jess

    i want to see a volcano'll be awsome!!!!!!!!

  • Annie

    This helped me a lot for my school project!

  • locomotive

    sup NGKids

  • Tanvir

    Where is volcanoes

  • Lauren

    It's a really good website and helps my brother learn more.

  • I love volcanoes!

  • Alisi

    This is really great and is a great and fun website to use. It has lot's of info we can learn from and on a scale from 1 - 10, I give this a 9? Because there is always time for improvement! :)

  • cam

    i love volcanos!

  • ediesco

    volcanos are awsome

  • Faithmarie

    I really love learning about the Earth and this website has really helped me

  • chelsie

    this website is very good for volcanos

  • Chenai

    This website is amazing it has helped me with my is the best website I will ever come across.

  • deadpool2010

    i do not like volcanos lol

  • RedJewel

    Nice Article! This really helped out when I did my homework! Five Star!!!?

  • DoctorWhoEmily

    Wow this was so cool I learned new things from reading this. I already Know that Mauna Loa Hawaii has the tallest volcano in the earth because it comes all the way from the bottom of the earth.

  • bob22

    hi the video did not work but yay so:):);)

  • weavill

    amazing really useful!

  • dablife

    cant wait till a volcano explodes !

  • xXGraceXx

    Thanks National Geographic Kids! I was able to finish my report on volcanos because of your great facts! Thanks! <3

  • Random21

    So cool information

  • ElianaH

    Lava eruptions are cool!

  • Mckenzie

    My teacher will love this

  • Julia


  • gbearmango

    Im doing a project about volcanoes at school and this was SOOO helpful. Thanks a lot!

  • alex14632

    hi I think these facts are overrated I m 9 and I know more

  • ferryberry678

    i was do this for school and it helpful cool

  • Ritlynn

    cool this is awesome

  • trin_bae

    These facts are so cool about volcanos

  • Meep

    this was cool I needed it for a school project! Thanks!!!!!

  • Abi-Gabbie

    Super awesome! Learned a ton, I LOVE VOLCANOES!

  • HazzaM

    This is awesome!

  • luyt

    the volcanoes are so cool

  • Girlygg

    Lol so helpful for my project

  • rebecca2029

    i am student in primary school and our teacher sent us home with an essay to write about volcanoes she said we should go on line and look up websites for imformation on the volcanoes and i came acroos this website i clicked on it and found wonderful imformation thank you so much

  • silverturtle

    volcanoes are the coolest natural disaster

  • Monkey-Approved

    This was awesome for my 5th grade class

  • anthonyli

    Thanks I learned a lot in the school

  • lovejen

    gives lots of information but it doesint answer my questions

  • Cool kid

    Cool so cool!

  • commas


  • lionel messiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii


  • eeyy


  • lol


  • I_forget


  • dfgsdg


  • lollololololololololololol


  • Holly123queen


  • popo

    i look wird

  • Anhalese-Bricker

    My mom saw the volcano in Hawaii last week.

  • AndrewYu

    OMG! the ashes look scary and mount st helens ash nearly reached 14 miles per 30 seconds

  • Rasmussen


  • cool23

    this is cool

  • Gissele4356

    National Geographic is great these volcano facts help ALOT. I think its REALLY AWSOME and its a website thats OUT OF THIS WORLD.

  • Person_Man

    valcanos r cul!!@@!@!!!!???!@#$%^&%%*&^(*)^#!!!!!????



  • Kyler

    Awesome bro

  • Kyler

    Last take action

  • bob


  • science101

    this is a good app for me thanks for making it

  • Pickle_and_Peanut_24

    DA BOMB SON!!!!!

  • curry swish goldenstate swiwsh

    pretty cool guys

  • vanessa lopez padiila

    really cool volcano


    This is awsome

  • Sharply


  • haillynn

    you doen a great job you helped me pass my test

  • Kathrynn

    Awesomely amaizing!

  • bob


  • Baile


  • Gtgghnthhtnh


  • Dkdkmdmd


  • Boom


  • Boom


  • georgia

    that is so cool



  • TipI


  • Alexis Flores

    Im writing about volcano. Volcano are very awesome

  • yo -mom

    that is so so so so bad i didnt learn a thing boo -___-

  • yo -mom

    that is really bad

  • nikeisha04


  • 132


  • awsome sauce

    hi and cool

  • harry91287763


  • harry91287763

    really good

  • horner

    hello friends

  • FrostBlade


  • FrostBlade


  • Artimus Prime


  • Pop girl


  • rarity

    intresting facts

  • Krisha

    Very informative and cool

  • shahed


  • Hip


  • MollyANNNNNN


  • noe

    these place rocks

  • whhhhat


  • lolmo


  • Bobby

    I think it is soooooooooooooooooooooooooooooooooooooooooooooooo cool

  • zachary_smith



    no. just no. why would u even? dead. SO dead.

  • Bob

    U spelt mt vesuvius wrong

  • jasmin

    so cool i love it



  • hzsguw


  • stampy


  • dawidgowin


  • cutiepoppie

    love it

  • 156006132

    Awsome!!!!!!!! :)

  • Gaberomomoro


  • Gaberomomoro

    Cool this helped me in my science class

  • Unone


  • Aarna


  • 2099

    awesome whoa volcano pizza

  • Freya-Dupee95

    It was so helpful for my report

  • CLENDENE_881710


  • light

    this is awsome such cool major eruptions i am bursting wih excitment big facts about volcanoes so cool

  • light

    wow amazing volcanoes havr came to life such amazing major eruptions

  • Adam,Ben and Luke

    Volcano was made from the ground?


    these volcano facts are explosive!

  • Susan Aarna

    so cool

  • Aarna

    So Cool

  • Aarna

    So so so Cool


    BOOOOOOOOOOOOM! Hehe lol. ;-)

  • starling


  • vina


  • vina


  • vina


  • Zeddo


  • hilo


  • hea


  • Gecko_lover_XD


  • Emma crncevic

    Cool facts they really helped me at school

  • Adnan 01

    Nice job with the video

  • Adnan 01

    Very good and interesting

  • woohoocoolio007


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