Preparedness Notes for Tuesday — May 31, 2022
May 31, 1930 was the birthday of actor/director/producer Clint Eastwood. On 31 May 1970, an earthquake off the coast of Peru caused a substantial section of the north slope of Mt. Huascaran to collapse. The avalanche moved downhill at a speed estimated at 175 to 210 mph. with a mass of roughly 80 million cubic meters of ice, mud, and rock. The avalanche traveled nearly 11 miles, burying the towns of Yungay and Ranrahirca in up to 300 feet of rock and debris. It is estimated that this earthquake and avalanche killed more than 67,000 Peruvians. It is the deadliest …