"The weather is still very cold, the 17th is when the world is coming to an end. I think it will be an end to some folks if they haint got a good warm house & plenty of coal."
On the 18th she wrote,
"Well today is the day after the world come to an end but we are still here the coldest weather we have ever felt. We are all well."
Apparently an astrologer named Albert Porta claimed that there would be six planets in alignment that day, which would cause too much magnetic energy and cause the world to explode. Obviously Hannah wasn't too into astrology or astrologers that Wikipedia doesn't even have on file.