Geology

Eruption of the Cordón Caulle Volcano in central Chile in 2011, via Reuters
KnoWhy #197
“And it came to pass that there was thick darkness upon all the face of the land, insomuch that the inhabitants thereof who had not fallen could feel the vapor of darkness”
3 Nephi 8:20
Alma and Amulek in Prison by Gary L. Kapp
KnoWhy #121
“Now the people having heard a great noise came running together by multitudes to know the cause of it”
Alma 14:29