Mount Bromo is in my opinion one of Indonesia’s most spectacular volcanoes.

@thomaskielbania6781

Жыл бұрын

It’s an impact crater!

@TheSpaceEnthusiast-vl6wx

Жыл бұрын

Elaborate.

@soly-dp-colo6388

Жыл бұрын

And easy to recognize.

@EatsLikeADuck

Жыл бұрын

​@@thomaskielbania6781 Not so much.

@maulanagaraudy5204

Жыл бұрын

Yeah, and you must there!

its facinating on how many active volcanoes in Indonesia become a tourist hotspot, like Bromo is arguably the second most sought out tourist destination in Java behind the city of Yogyakarta, and even that has an active volcano in Merapi next to it

@jmwoods190

Жыл бұрын

And don't forget Bali which is right next to Rinjani/formerly Samalas!

@mobyhuge4346

Жыл бұрын

@@jmwoods190 no that's Lombok mate

@ignatiusryd2031

Жыл бұрын

​@@jmwoods190 Rinjani is on Lombok Island. But Bali also had its own caldera which today called as Batur Caldera.

@catty9132

11 ай бұрын

​@@ignatiusryd2031Batur Caldera and Bratan Caldera

Thanks Geology Hub! I've always wondered about the Tengger caldera.

I'm thankful for a report about the Tengger Caldera. It was frustating to see pictures of a big caldera with several volcanic cones inside without report of the great mother volcano.Thank you very much.

You and Myron Cook are my favorite Geologic channels that I will drop what I am doing to stop, pause and watch.

Mount Kalimutu is also interesting, having 3 different color craters.

Gee, 15,000 feet - that's a decent height! Apparently Krakatoa and Tambora were a lot higher too before their massive eruptions in the 19th century.

@zjefvanhoof6884

Жыл бұрын

krakatoa was not higher tambora was around the same size

@ignatiusryd2031

Жыл бұрын

Tambora used to reach up to 4500 meter (if i were not mistaken) before it demolish itself into a gigantic caldera but for Krakatoa, the best estimation it used to reach almost 3000 meter some hundred thousand years ago before it rebuild itself into the well known form pre-1800's eruption.

@zjefvanhoof6884

Жыл бұрын

@@ignatiusryd2031 krakatoa had so far i know two enormous large eruption of that scale in 1883. so far i readed one in 539 and one in 1883. idk but i couldn't imagine that proto krakatoa was 3000 meter high. but still 3000meter is not 15000 feet. it can be that it was that high but i dont see anything about it so i think they dont really know how large krakatoa was so long back

@ignatiusryd2031

Жыл бұрын

@@zjefvanhoof6884 Well, the best estimation the proto-krakatoa that were blown itself apart in 416 AD reached up to 2500-3000 meters max. They were estimated it by measuring the leftover from the 416 AD eruption that were form the Verlaten and Lang island which now stand as one amongst the nearest islands around the underwater caldera formed by 1800's massive eruption.

I find mount Batok the most beautifull with Its ridges along Its slopes.

@Le_epic_eclipse

6 күн бұрын

Agreed

Just so you know kidul and lor are local terms for the cardinal directions

I'm glad you finally covered it!

This group of volcanoes always fascinate me because of their structures. Thanks for this.

CJ these views are spectacular.

Thanks for this again very interesting video. 🖐👴 It's impressive that this volcano had once been more than 4000 meters high. PS: 2:45 ... "collapsed in another powerful eruption around 36.299 BCE" This sounds to be very precise when you say 36.299. 😉

@MinogFarted

Жыл бұрын

KZread shorts has ruined the old man emoji for me 💀

Mount Bromo is also considered a sacred mountain by the locals. There's a Hindu temple at the base of the cone.

So many calderas are rebuilding. Makes me smile.

Can you do a video on the Paraná and Etendeka traps?

Visiting Bromo was one of the highlight of my volcano experiences. Taking a motorbike across the sea of sand to start our climb of Mt Semeru, made it truly unforgettable. Don't dream...go.

@chacmool2581

Жыл бұрын

Yeah. I did that 21 years ago.

Good vid

I love volcanoes!! I would love to learn more about Kilimanjaro any other African volcanoes.

Any video about geological oddities coming?

I used to visit the place virtually every month between 2015 until 2019 as I took tourists to see the place. I haven't received tour request to go here again since

nice

That's incredible, the volcano's and the entire complex doesn't look real - great photos!

The terrain these things can create is startlingly weird looking. Thanks.

Can you explain the "pythias oasis" off the coast of Oregon and its potential for triggering the Cascadia Subduction Zone mega quake? Seems like it would be timely to discuss this.

Is the Juan de Fuca plate actually subducting downwards into the mantle, or sliding just under the North American plate?...seen some odd earthquake signatures in that area lately...maybe something for a future topic?

❤❤❤

I'd love to hear what you would have to say I would enjoy something about Mt.Maazaama in the Clear Lake area, Mt. Konocti (same area) where they pulled 3,000,000 ounces of gold from 1981 to 1991, And the Geysers geothermal power-generation plants in the Mayacamas range. I think folks would enjoy those stories. Mt. Lassen erupted in 1911, I was taught it was the biggest eruption of that year.

Ohhh that volcano is awesome! The 2 caldera side-by-side, f****** A that's awesome, it's like a food tray.

I wonder if the rich biodiversity of Indonesia and Papua is helped by the highly active volcanoes that supply the ecosystem with vital minerals. similar to how Sahara dust blows over to south America and helps the amazon

Could you explain these two super massive calderas in future videos? The ancient Batur Caldera in Bali, and the ancient Ijen Caldera in East Java, thank you.

@FIRMVN15

Жыл бұрын

Itu udah pernah dibikin sebelumnya. Yang Batur udh lengkap. Kalo yang kaldera Ijen purba itu masih sepotong potong aja, karna di videonya ngebahas gunung Raung sama gunung Ijen. Check aja video lama nya ada kok

@warmchannel3127

Жыл бұрын

@@FIRMVN15 Thank you bro

@FIRMVN15

Жыл бұрын

@@warmchannel3127 sama sama

@drianppppp502

Жыл бұрын

​@@FIRMVN15 Kaldera bratan di Bali blum...Btw semoga nnti ni channel bahas formasi Ngelanggeran - Semilir, sisa letusan supervulcano di tanah Jawa.

@FIRMVN15

Жыл бұрын

@@drianppppp502 jujur aku baru tau kalo yang ini, karna kalo dilihat lagi umur pulau Jawa juga tergolongnya baru berapa juta tahun. Jdi sebelumnya ga ada tuh kayak "di pulau Jawa ada supervolcano". Tpi kalo ini beneran supervolcano, mungkin bakal perlu diteliti ahli geologi seluruh dunia. Karena supervolcano tingkatan kelas nya udah tertinggi

🌱🌏💚

What is with Indonesia (and I think Japan too) having so many calderas? I find that so incredibly fascinating to be fully honest but I am curious about it, and for all I know there aren't a ton of calderas in both countries and it just seems like there are.

@defies4626

Жыл бұрын

Higher silica content in the multiple overlapping regions of subduction and slab rollback either starting or ending

@TheSpaceEnthusiast-vl6wx

Жыл бұрын

​@@defies4626 Yeah.

@Dragrath1

Жыл бұрын

@@defies4626 From the discussion of sediment of Nick Zentner's A to Z Baja BC controversy series when Indonesia came up a s a relevant modern day example of the archipelago collisions that make up the North American Cordillera. Notably this was brought up in the context of both sedimentology and much more crucially slab failure since in essence the Sunda trench along its southeastern most extent has started to subduct the edge of the continental shelf of Australia (passive margin). Slab pull continues to pull Australia in and thus is dragging this continental shelf down with it however because continental crust is more buoyant than oceanic crust it is more strongly resisting and this is causing the slab to start to break off triggering a chemically distinctive class of more siliceous magmas. This hasn't fully happened yet here but slab failure incidentally appears to be the main process in which significant amounts of true continental crust gets made mostly in the form of plutonic cores/batholiths so I would expect things to intensify in these parts of Indonesia in the next tens of millions of years or so. This is notably quite a bit different from what is going on in Japan. Notably despite being islands today the major islands of Japan are really just a well defined back arc extensional basin that has formed between the Eurasian continental subduction zone and the rest of the continent. Because this is fully a continental arc in terms of its geological origin it should be expected to be more siliceous as the melting mantle wedge is more continental rather than oceanic. This larger scenario is a consequence of the underlying pacific slab being stagnant at the Mantle Transition Zone rather than sinking deeper into the mantle. So the mechanisms for the more siliceous melt are different Japan still has more basaltic oceanic magma than you get on this part of the Sunda trench.

@ignatiusryd2031

Жыл бұрын

​@@Dragrath1 To be frank...Japan, Philippines, and Indonesia is the most prominent example when archipleagoes formed from 2 or more than 2 active tectonic plates crashed upon each other. That's also the reason why Japan, Philippines, and Indonesia had a numerous amount of calderas scattered almost on every island they had.

Can you cover Mt Shishaldin in Alaska, North America?

But why tengger caldera and seasand caldera is only vei 6 i think in vei 7 eruption

Our own personal piece of Io

I would love to know more about the South Sandwich Islands the South Atlantic Ocean. How old are they? How active are they? What kind of eruptions do they produce? Do they collapse into the ocean at times? Are they a significant tsunami risk?

VEI 6 ? With 10 km caldera, I thought it was VEI 7 or more.

Are tengger mountain is a super vulcano, like toba and tondano

How about an anichent volcaino

Vei 6 with 10 kilometer caldera and just 20cubic kilometer of ash that is smaller novarapta eruption is 30 cubic kilometer of ash

One of the most beautiful volcanic complex of the world. Hey, do you have an email address? I want to answer the following question: What is the maximum distance that you can be from an non-extinct volcano in the world? Where on the earth is this point? I bet it is here in Brasil but I need to confirm it. If I get all the non extict volcanos coordinates, I can check this info.

@StuffandThings_

Жыл бұрын

There are certain maps which have active volcanoes plotted out. In fact, I have downloaded a .kml file to Google Earth Pro which includes icons displaying most volcanoes. Of course, the definition of "active" changes, so these maps sometimes differ slightly from source to source. I'm not 100% sure about Brazil being the farthest away from an active volcano, considering the Andes range just to the west, it does look like somewhere in the very east is plausible as Ascension island is quite far away. Somewhere in New England or Siberia could also be plausible candidates. Its quite the interesting question.

Hey, nice. I requested this one a while back. That entire area is rather sacred to the Hindus that live nearby, and in fact, is named after the god Brahma.

Indonesia has many active volcanoes, right?

@soly-dp-colo6388

Жыл бұрын

Yes. According to Wikipedia, "Indonesia is a volcanically active country, containing numerous major volcanoes. It has the most volcanoes of any country in the world, with 76 volcanoes that have erupted at least 1,171 times in total within historical times."

@tracy2762

Жыл бұрын

usa has the most volcanoes as a country. non active etc.

@OpaSpielt

Жыл бұрын

Yeah, indeed. The countries on the ring of fire around the Pacific Ocean have a lot of volcanoes generally. 🌋🌋🌋🌋🌋

@filipesiegrist

Жыл бұрын

It depends on what do you use as a parameter to count. I remember seeing that Russia as the country with most volcanoes but we need to see the criteria.

@TheSpaceEnthusiast-vl6wx

Жыл бұрын

Yes.

Could do a program comparing geological differences between current Indonesian capital Jakarta and its new capital of Nusantara in Borneo ? Tks Paul

And the cinder cone batok?

@Le_epic_eclipse

6 күн бұрын

Blj

Are taller volcanoes more likely to have explosive eruptions in part due to the magma needing to traverse more distance away from the hot mantle so it gets cooler and more viscous?

@ayakinz1440

Жыл бұрын

Higher the volcano becomes, more pressure it needs for magma to reach its crater. At some point magma becomes unable to erupt, leading to a long dormancy period and solidification of its magma conduits. This causes new portions of hot magma to become stagnant underneath, causing a formation of a large volume highly presurised magma chamber. When pressure crosses a certain point, magma breaks the crust above, or uses old plugged conduits. After the caldera forming eruption chamber collapses back to its normal size.

I am interested in the ancient Tengger volcano for it may in spite of the smaller Bromo become again super.

@ignatiusryd2031

Жыл бұрын

It may be but it may be not since the major eruption spot has shifted few kilometers away to Mount Semeru.

Been there, done that. Twice.

❤ to observe a Clip on Germany Laacher See Caldera. Make sure it's full of Geeky facts. 🖖🏾☮️

Oh, i thought this caldera forming eruption is VEI 7

@TheSpaceEnthusiast-vl6wx

Жыл бұрын

6-7 likely due to uncertainties with ash thicknesses and distribution.

There are many interesting volcanoes around the world I'd love to visit but probably won't, sadly. If I did, Bromo would be on the list at your recommendation... I know my surmise is a silly one, but is there any connection between the famous seltzer and Bromo? Be well S.W.

Hello, love your channel. I have an odd ball question..... When people have wars, do volcanoes get affected by bombs and such? Note.....could this idea become a plausible movie?

@shaunakj8081

Жыл бұрын

Bombs are too small to trigger volcanic eruptions if that's what you're asking. It would make for a cool movie though.

Your telling me, that massive caldera, formed in an eruption that only ejected 20 cubic kilometers?? idk about u but that figure feels 10 times smaller than it should be lmao

if that volcano erupts again i might be able to hear it

Is this where BromoSeltzer comes from???🤣

lol cubic KM of material

Today a 7.0 earthquake happened in Indonesia

@fadlkarmula8776

Жыл бұрын

Yesterday, 6.6 SR. 600km deep. No damage occured

Sir, Not only are your videos and presentations phenomenal, but what equally blows my mind🤯is that your vocabulary and ability to PRONOUNCE names of places with letters that I had no idea could go together and make a legitimate sound!🤔 And I suddenly became aware of your talent the first time I heard you say: "Hunga Tonga-Hunga Ha'apai volcano in the Tongan archipelago."🫨 👏👏👏👏👏👏👏👏 Slides right off your tongue, don't it? 🖖😁👍 Thanks!