Lt. Col. Pete Ellis’ “Operations Plan 712” was an extraordinary and prescient report—serving as the basis for what became the American amphibious juggernaut of World War II.

The tsunami wave from an anticipated earthquake off the West Coast could reach 100 feet and permanently flood parts of the ...

A magnitude-6.6 earthquake struck in the South Pacific near the island nation of Samoa on Friday, but caused no apparent damage. The quake occurred 440 kilometers (273 ...