While our planet may have survived September’s “blood moon”, it will be permanently destroyed on Wednesday, 7 October, a Christian organization has warned.

The eBible Fellowship, an online affiliation headquartered near Philadelphia, has based its prediction of an October obliteration on a previous claim that the world would end on 21 May 2011. While that claim proved to be false, the organization is confident it has the correct date this time.

“According to what the Bible is presenting it does appear that 7 October will be the day that God has spoken of: in which, the world will pass away,” said Chris McCann, the leader and founder of the fellowship, an online gathering of Christians headquartered in Philadelphia.

“It’ll be gone forever. Annihilated.”

McCann said that, according to his interpretation of the Bible, the world will be obliterated “with fire”.

The blood moon – a lunar eclipse combined with a “super moon” – occurred without event on 27 September. This was despite some predictions that it would herald the beginning of the apocalypse. Certain religious leaders had said the blood moon would trigger a chain of events that could see our planet destroyed in as little as seven years time.

According to this new prediction, however, there will be no stay of execution. On the day of 7 October, the world will end.

“God destroyed the first earth with water, by a flood, in the days of Noah. And he says he’ll not do that again, not by water. But he does say in 2nd Peter 3 that he’ll destroy it by fire,” McCann said.

The expectation of the world ending this fall stems from an earlier prediction by Harold Camping, a Christian radio host who was based in California. In 2011 Camping used his radio station, Family Radio, to notify people that the world would end on 21 May of that year. When that turned out to be incorrect, Camping revised his prediction to October 2011. That also turned out to be incorrect, and Camping retired from public life soon after. He died in 2013, at age 93.

McCann believes that Camping’s 21 May 2011 prediction did have some truth, however. That day was declared to be “judgment day” because it was actually the day God stopped the process of selecting which churchgoers will survive Wednesday’s massacre, McCann said.

Following 21 May 2011, God turned his attention to deciding which non-churchgoers to save, according to McCann. The eBible Fellowship believes that God said he would devote 1,600 days to this task – bringing us to 7 October 2015.

“There’s a strong likelihood that this will happen,” McCann said, although he did leave some room for error: “Which means there’s an unlikely possibility that it will not.”

The eBible Fellowship, which McCann was at pains to point out is not a church, is a predominantly online organization. The group does hold meetings once a month, however.

Scientists have several theories about when earth will be destroyed, although none of the data points to this Wednesday. The most widely accepted theory is that the sun, which is already gradually increasing in temperature, will expand and swallow up the planet. Some scientists believe this could happen as soon as 7.6bn years time.

Whether the planet is destroyed next week or several thousand million years in the future, McCann’s plans for the coming week will remain the same. He and his wife, a fellow believer in Wednesday’s end date, had three birthdays in the family before then, which they planned to celebrate.