The high death toll, 114, and the other high costs were partly due to the rarity of powerful tornadoes in…
An eighty-mile coastal strip from Seattle to Chehalis was severely damaged. On April 13, 1949, a 7.1 magnitude earthquake occurred…
Lack of awareness of the dangers from ammonium nitrate despite published guidelines and earlier similar historical tragedies caused the tragedies…
Oklahoma’s worst ever tornado struck Woodward in 1947. This was a violent category 5 tornado, more than a mile wide.…
The Nankai Trough was frequently hit in the past by powerful earthquakes. Along a three hundred-mile long fault line known…
This earthquake was not one of the subduction ones that are likely to hit this area in the future. Instead…
Yellowstone National Park is the site of a super volcano in times past, as evidenced by the huge caldera that…
The epicenter was close to the coast in Prince William Sound, halfway between Portage and Valdez. Destruction was widespread and…
Aberfan, in south Wales, Britain, was a coal mining area. Coal waste was stored on a neighboring site above the…
Hurricane Betsy was, for its time, the costliest and deadliest hurricane in U.S. history. Hurricane Betsy was a powerful hurricane…