Top 10 Personal Lines Insurers, 2010A tornado destroyed 12 to 15 blocks in the southwest corner of Mapleton, Iowa and damaged neighboring areas when it struck about 7:20 p.m. Saturday, April 9. In total, the tornado destroyed about 100 homes beyond repair, and has displaced an estimated 500 to 600 residents.

The tornado was on the ground for three and a half miles and measured three-quarters of a mile wide at one point, according to the National Weather Service office in Valley, Neb. The twister was measured to be on the lower end of an EF3, which carries wind speeds of 136 to 165 mph.

The tornado was one of several reported in Iowa. The weather service said it had confirmed a total of four smaller twisters that touched down near Early and Nemaha, damaging several homes.

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