Centralia, Pennsylvania
Since people distrust the government, this situation only led to more conspiracy theories. Some think that the government started the fire to collect billions of dollars worth of coal and keep the money for themselves. Nothing like that has ever come to light, though, and the fire still rages on to this day.
Salty Brine Beach Blast
No, not beach blast as in "party" but as in a huge force that pushed people off of their chairs and severely injured one person. Witnesses claimed to have heard rumbling in the ground before the blast. According to one witness, it was like the sand "erupted."