The sky turned purple as a result of the discharge. Template:Crossref


External effects of the implosion, in chronological order Template:Crossref

The discharge was the release of electromagentic energy that resulted from Desmond's triggering of the Swan station's fail-safe mechanism. Template:Crossref The nature of the fail-safe and the repercussions that resulted from its triggering are unclear; however, the discharge resulted in a bright purple light seen across the Island and the implosion of the the Swan, leaving nothing but a large crater in the earth and assorted debris. The event is referred to by the survivors variously as a "detonation", "implosion", "explosion", a "blowing up", or the "sky turning purple". The Others have referred to it variously as an "anomaly", the "sky turning purple", and an "electromagnetic pulse".

Fail-safe activation

The fail-safe was a mechanism in the Swan station which, when triggered by the turning of a key, would terminate the electromagnetic buildup which the protocol was meant to periodically discharge safely. Kelvin explained to Desmond that it was the "only way out", and that it would make it "all go away". After Locke prevented the button from being pushed by destroying the Swan computer, the countdown timer reached zero and a system failure occurred within the Swan. Severe electromagnetic effects then began to occur inside the hatch, leading Desmond to activate the fail-safe mechanism, which in turn destroyed the station. Template:Crossref



Deleted scene from 第3季 第14集 : Nikki during the Discharge.


"Electromagnetic Anomaly Detected" in the listening station Template:Crossref

At the moment Desmond triggered the fail-safe, a huge, blinding white glow covered the Island and the sky turned a violet color. The ground shook, as if an earthquake was occurring, and a painful buzzing sound was heard (like a blender, according to Hurley).

The event was powerful enough to lift or repel, among other things, the heavy quarantine door into the air. It landed a considerable distance from its original location, narrowly missing Bernard and Claire. Template:Crossref Luckily Locke, Desmond, Charlie, and Eko survived the event, despite being inside the hatch. The remains of the Swan station were later seen by Charlie and Locke as a large crater in the ground. Template:Crossref

In a deleted scene from Template:Crossref, Nikki reacted particularly drastically to the "purple sky", first by completely freaking out so Paulo had to calm her down, and subsequently by questioning her past behavior to her fellow castaways.

The effects of this event were detected by the men at the listening station as an "Electromagnetic Anomaly", which they then reported to Penelope Widmore. They had missed one at a time previously, and questioned whether it was another false alarm. Template:Crossref

After the event, Tom referred to it as the "sky turning purple", and said that it shut down the Others' communications. Mikhail also said there was an electromagnetic pulse which caused the submarine's underwater beacon to stop emitting its locater signal. Template:Crossref

However, it is later implied that the communications disruption was unrelated to the discharge, as Ben had secretly ordered Greta and Bonnie at the Looking Glass station to jam all communications to and from the Island. Template:Crossref Further evidence of this comes when Tom meets with Michael in New York weeks after the discharge, implying that Tom was still able to leave, and return to, the island, and Ben is able to use the radio in his house to contact Michael on the freighter.Template:Crossref


  • The high dose of electromagnetic energy that Desmond was presumably exposed to after turning the fail-safe key seems to have contributed to the side effects he experienced after leaving the Island to travel to the freighter. This is suggested by Daniel asking if Desmond has been subjected to an intense dose of radiation or electromagnetic energy. Template:Crossref
  • Charlie remembered nothing of the implosion, but throughout Season 3 would be saved at various times from death by Desmond, with the aid of his flashes.


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