Mt. Etna: Pyroclastic Flow & Tsunami.mov
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- เผยแพร่เมื่อ 2 ต.ค. 2024
- This movie shows a physics-based computer simulation of a lateral blast, pyroclastic flow and tsunami generated from an eruption of Mt. Etna. Waves greater than 20m strike the east coast of Sicily and southern Calabria. A similar event occurred about 8,000 years ago.
For more natural hazard information visit es.ucsc.edu/~ward.
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You could simulate the Pyroclastic Flow, Lava and erupt of Monte Albano volcano (Colli Albani Volcano complex strato-volcano + caldera) near the city of Rome- Italy? it would be interesting The eruption of I phase (290 Km3, Vei 6-7), II phase with central strato-volcano Faete (6 Km3, Vei 4-5) and last phase from Albano maar crater (1 Km3, vei 3-4) + lahar.
i don't think this would ever happen, first, Etna is not that tall and pointy, it's a large, flat volcano (still 3323m tall), second, there have been many pyroclastic flows, the most recent being in 2012 if i'm not wrong and it barely arrived at half of the lenght of the Valle del Bove, for this theoretical scenario to happen, basically the whole summit would have to collapse and that is quite far fetched, since Etna is not an explosive volcano, it has frequent and relatively calm eruptions. The collapse that happened thousands of years ago will not likely be repeated since first, Etna was a much taller mount and now is very flat, so it currently doesn't have the right enivronment to generate such catastrophic events
You don't know the cause of volcanic eruptions but you tell yourself that since Etna's recent eruptions have been calm, Etna couldn't possibly have a landslide and this horrific devastation of Italian coastlines could never be possible... am I understanding you? Please go study the historic records ... going back over 600 years ... before making such ridiculous assumptions and claims.
It just erupted.
People didn't expect Mt. St. Helens In Wa. state to have a lateral explosion. It did.
here in italy in these days etna is under observation because some movements .the event described in video is potentially not so unprobable alas
tsunami wasn't due directly etna's eruption but the different eruptions caused a large sediments basin, up and down Sea level. Sediments were not stable and flow down making a gigant tsunami. Similar phenomena was in Stromboli in 2003. However good video and perfect simulation
What about Malta?
For correctness, the event that created the Valle del Bove some 8000-9000 years ago was a sector collapse (similar to the giant landslide at Mount St Helens that preceded the 18 May 1980 eruption by a few instants, but about 10 times as voluminous). There is no evidence that it was accompanied by any explosive activity, and the material that slid into the Ionian sea was not a pyroclastic flow but a volcanic debris avalanche. Some scientists even believe that it happened not in one single event but at least two or more, smaller, landslides.
You'll find the series of events that decimated Italy documented in historic records ... 650 to 550 years ago.
You are not showing but a landslide. A lateral blast and pyroclastics could be much worse if silica based...Kratatoa is relatively small vs. what possible.
GOOD morning
I hope the tsunami doesn't come or else malta will be buried
The entire Mediterranean will be decimated.
well you forgot to mention nord africa and greece effect!
By nord do you mean north? (Just asking, not a grammar nazi)
@@benmountaingangster ah sorry, yes! the Italian word came out hehe
@@abigpit4ubigpig ah ok
@@abigpit4ubigpig wait. Responding after 8 years. r/madlads
@@benmountaingangster 😂
there is a place called gobekli tepe, was it possible it was buried by the tsunami generated by this collapse?
Göbekli Tepe is about 300 km inland, therefore it's unlikely a tsunami would get that far. Besides, as far as I know, the site was covered by human activity, and the surrounding areas don't present any tsunami deposits.
25 km3. A full VEI-6!
I realized how deadly this would be it would be the new Pompeii
Valle deL Bove
Just today, scientists announced thier findings that etna is actually sliding approx 14mm every year towards the sea, So another catastrophic failure is sure to happen causing a giant landslide.. maybe The largest known tsunami in the mediterranean affecting israel & egypt, was caused by a similar landslide at etna leaving the dip in the side of the mountain that is visible today.
You also forgot mention Malta
The Mediterranean Sea and its adjacent lands have experienced a long series of horrific cataclysms.
nice simulation ...
but Etna is not an explosive volcano, and can't generate big pyro flows
+yallow rosa in the last few years, Etna has shown its most explosive activity for more than 2000 years, and more than 2000 years ago, it made a Plinian eruption. We now know that Etna can be a VERY explosive volcano. The same paroxysmal eruptions we've seen since 2011, if they had happened at Vesuvio, would have been disasters, one after the other. We are simply lucky that Etna is quite big and large, and people live far away from the sources of the most eruptive eruptions, at the summit.
By the way, 15 thousand years ago, Etna produced BIG pyroclastic flows; the deposits can be seen near Biancavilla, where they are more than 20 m thick.
+Boris Behncke
well, the geological nature of Etna and Vesuvio are very different
explosive activity does not necessarily determine massive pyroclastic flows
is it possible for Etna to collapse like mount Somma/Vesuvio ?
(which occurred about 20000 years ago)
+yallow rosa something we're learning in recent years is that basaltic volcanoes can be far more explosive than was believed previously, and most of their explosive eruptions ARE accompanied by pyroclastic flows - as I said above, some 15,000 years ago, Etna DID produce massive pyroclastic flows, we just don't know how much of them entered into the sea. At the same time it underwent major caldera collapse, leading to the formation of the "Ellittico" caldera that is about as large as the Monte Somma caldera, but has been largely filled by younger volcanic products. The main factor that makes volcanoes explosive is not so much the magma composition (and consider that Vesuvio, most of the time, also emits basaltic magma, like Etna), but how much gas is in the magma. In Etna's magma, there is A LOT of those gases that make volcanoes explosive - carbon dioxide (Etna emits up to 100,000 tons of carbon dioxide every day) and water vapor (Etna emits between one and two million tons of water vapor every day). I guess this makes it very clear that Etna is indeed a volcano that can be about as explosive as Vesuvius, maybe less frequently, and luckily, people live not as close to Etna as they do to Vesuvio.
Etna, is a silicic volcano, not basaltic, there is no other area on the planet more potentially explosive than silicate magma. yallow rosa, get better information.
not true sir in past happened already this situation described on the video and generated a big tsunami