Volcanism is not part of the Atlantis story as related by Plato. His narrative clearly attributes the destruction of Atlantis and the Athenians to flooding and earthquake. Admittedly, flooding can be the result of some volcanic activity, but in the absence of any evidence to support this view in the case of Atlantis, the idea is only supposition. While most accept that Atlantis was named after its first king, Atlas, Frank Joseph’s fertile imagination suggests that ‘the island of Atlantis was named after its chief mountain, a dormant volcano’. For those that place Atlantis in the Atlantic the idea of volcanic or seismic activity as the cause of the flooding of Atlantis AND Athens are hard pressed to suggest a location for this activity that would explain two catastrophes two thousand miles or more apart.
However, the red, white and black stone that Plato may be related to volcanic eruptions that produce rock of tufa (red), pumice (white) and lava (black). Pumice has been found at various locations in Egypt and identified as originating not only from Thera, but also from eruptions on the Greek islands of Nisyros and Giali as well as the Italian Lipari Islands(o).
Jelle Zeilinga de Boer and Donald Sanders are the authors of Volcanoes in Human History in which they support the idea that the eruption on Thera was a factor in the development of the Atlantis story and also suggest a link with the Flood of Deucalion.
Nevertheless, a recent book by William Lauritzen, The Invention of God, makes a convincing case for accepting volcanic activity as the inspiration behind some of the imagery of ancient mythologies and most major religions. A recent article(i) on the BBC website expanded on this further. Lauritzen also suggests that the pyramids were meant to represent volcanoes.
The most active volcanic region of Europe is to be found in Italy, where Etna and Stromboli have been continuously erupting for thousands of years(b). There is a report that a 6000 BC extreme eruption of Etna resulted in a tsunami 130 feet in height which swept the Mediterranean(c). However, the most devastating prehistoric volcanic eruption discovered so far seems to have been in Siberia 252 million years, which may have led to the most extensive mass extinction of life on earth(e). This is now rivalled by Tamu Massif in the Pacific mentioned below.
The cataclysmic volcanic eruption of Thera in the second millennium BC has had a strong level of support as the cause of Atlantis’ collapse, a view endorsed by recent television documentaries and an IMAX film. The Greek volcanologist, George Vougioukalakis, whose research is featured in the aforementioned film, is convinced that the eruption of Santorini offers the most rational explanation for the truth behind Plato’s story(a). However, he dissents from the recently expressed view that pumice found on the Northern Sinai Peninsula was transported there by a tsunami generated by the eruption of Thera and prefers to believe their transportation there was by normal sea currents.
Apart from Santorini, Jim Allen had initially proposed the Andean village of Quillacas, which lies on top of a volcano, as the site of Atlantis, but later found that the nearby site of Pampa Aullagas had a greater correspondence with the description of Atlantis. More recently Richard W. Welch has suggested the eruption of a supervolcano in the Atlantic as the cause of Atlantis’ demise. And so the idea of a volcanic destruction of Atlantis still has some support!
Since January 2011, Santorini has shown some signs of a volcanic reawakening(d).
In September 2013 studies revealed(f) what may be the location of the largest volcano ever to have erupted on our planet. It would have been the size of the British Isles and situated underwater in the northwest Pacific and known as Tamu Massif. It would have rivalled the Olympus Mons on Mars, but fortunately has been dormant for 140 million years.
March 2014 saw a post on Dale Drinnon’s website(g) take the linkage between Atlantis and a volcano rather further with the suggestion that “the capital city of Atlantis in Plato’s description was built in the caldera of an extinct volcano and that many of the features of the description are volcanic in origin.The “Poseidon’ temple is the pyramidal volcanic neck, an erosional feature that stood out like a conical mound some hundreds of feet in diameter and possibly some hundreds of feet high on the outside. there was a tunnel bored through this aligned East and West, to allow the sunlight in at the beginning and the end of the day for certain rituals.”
In December 2014 a report from Princeton University revealed that a massive series of volcanic eruptions 66 million years ago can be aligned with the extinction of the dinosaurs and should be included as part of the cause of that extinction along with the Yucatan meteorite impact(h).
The Laki volcano in Iceland erupted in 1783 killing 9,000 local people but more dramatically causing the Nile Valley population to be cut by a sixth, according to a study published by scientists at Rutgers, The State University of New Jersey. “The study is the first to conclusively establish the linkage between high-latitude eruptions and the water supply in North Africa”(j).
A 2015 report(k) suggests that a series of North American volcanic eruptions in 536 AD had such a detrimental effect on the climate of Europe that contributed to the demise of the Roman Empire.
Furthermore, there is now evidence(m) that the eruption of El Chicon volcano in Southern Mexico around 540 AD led to the disruption of the Maya civilisation. Can there be a connection between these two events?
However, David Keys in his book, Catastrophe, has proposed that a massive eruption of Krakatoa around 535 AD caused disruption on a global scale. Matthew Toohey from the GEOMAR Helmholtz Centre for Ocean Research in Kiel, Germany, has suggested the possibility of a double event involving both El Chicon and Krakatoa!
Recently the longest (1,200 miles) continental volcano chain was identified in Australia(l).
The BBC reported(n) in 2016 that “Deep-sea volcanoes are so remote, until recently we did not even know they existed” and although “We do not see them erupt, yet more than half of the Earth’s crust can be attributed to their dramatic explosions” and “In fact, the mid-ocean ridges form the largest volcanic systems on Earth. But as they are largely hidden from sight, they have long remained elusive.”
In July 2017, the BBC offered an interesting article on the potential ongoing threat from supervolcanoes around our globe(p) and the inevitability of a future eruption.
(g) http://frontiers-of-anthropology.blogspot.ie/2014/03/reconstruction-of-platos-temple-of.html (link broken Sept. 2018)
Krakatoa, the Indonesian volcano that erupted so violently in 1883, produced many recorded effects that are frequently used as yardsticks when discussing the possible consequences of similar events in the past, particularly the second millennium BC destruction of Thera, a leading contender in the Atlantis stakes. The Krakatoan eruption had a detrimental effect on global climates for some years.
However, this was not the first time that the eruption of Krakatoa had calamitous global consequences. David Keys (image below), an archaeological journalist, details the effects of an eruption of Krakatoa in 534/5 AD, in his book, Catastrophe. This book was the subject of a documentary on the UK’s Channel Four(d). A few years before his book was published Keys wrote an article entitled: Comet may have caused catastrophe on Earth(e), in which he dismissed a volcanic eruption as the cause of the 6th century crop failures, plagues, wars, social unrest and widespread deaths, yet his subsequent book advocates[p.269] a massive eruption of Krakatoa as the culprit. Around the same time, Mike Baillie was about to publish his Exodus to Arthur  in which he argued
strongly that the mid-6th century range of catastrophes were caused by a cometary impact. Five years later, Baillie co-authored, with Patrick McCafferty, another book linking comets with Irish mythology, The Celtic Gods, in which they point out that Keys’ proposed huge eruption has not been reflected in any of the various Greenland ice cores in the form of a volcanic-acid spike[0112.164]!
This debate regarding the cause of the global catastrophes in the mid-6th century would appear to be far from over. A 2015 report(f) suggests that a series of North American volcanic eruptions in 536 AD had such a detrimental effect on the climate of Europe that it contributed to the final demise of the Roman Empire. Furthermore, there is now evidence(g) that the eruption of the El Chicon volcano in Southern Mexico around 540 AD led to the disruption of the Maya civilisation. Matthew Toohey from the GEOMAR Helmholtz Centre for Ocean Research in Kiel, Germany, has suggested the possibility of a double event!
Early in the 19thcentury the eruption of Tambora, also in Indonesia, was even more powerful(a). However, the most violent eruption of the last two million years also took place in Indonesia 74,000 years ago, when Mt. Toba erupted with devastating consequences for the Indian sub-continent and further afield(b). The Toba caldera is now Lake Toba. A recent study suggested(c) that the Mt.Toba event led to the near extinction of humans.
The Theran eruption was equivalent to the 19th century Krakatoa event when measured according to a volcanic explosivity index (VEI), based on quantitative criteria, as discussed in Walter Friedrich’s book on Thera.*Within a decade, the explosivity figure for Thera was reassessed by Professor Floyd McCoy of the University of Hawaii, who has written and broadcast extensively on the matter of the Late Bonze Age eruption of Thera. This included a paper delivered to the 2005 Atlantis Conference. In it, he noted that “New finds of tephra – ash and pumice – both on land and on the seafloor indicate a far larger eruption than previously assumed, suggesting a volume of at least 100 km3 of tephra (bulk volume) ejected, perhaps more. Such a volume ranks the eruption on the Volcanic Explosivity Index (VEI) at 7.0, equivalent or larger than the 1815 eruption of Tambora (‘the year without a summer’), ten times larger than the eruption of Krakatau in 1883, and approximately 100 times that of Mt. St. Helens in 1980.” [629.311]*
Today, when we watch the 20th century eruption of Mt. St. Helens or the Montserrat volcanoes on our televisions, it gives no real notion of the incredible power of these events or the absolute terror that was experienced by those living close by.
*(d) http://www.davidkeys.co.uk/davids-documentaries/ (Link broken Nov. 2018)*