NOTE – see the comment section update… the video is real but it was used to cause panic and the story of bison running for their lives is a hoax.
According to an article from The End Time Forecaster, the Yellowstone National Park volcano might erupt on March 28th 2014: Helium detection is more than 1000 times more than normal; so they say.
There was a March 30 earthquake — not what the buffalo were running from though since the run occurred March 5th – Yellowstone really is the site of a super volcano too… and earthquakes and even eruptions are common although not usually 4.8 earthquakes…
A 4.8 magnitude quake rocked Yellowstone National Park in Wyoming near the border with Montana, the US Geological Survey said. There were several aftershocks with a magnitude over 3.