Etna, Minnesota Etna, Minnesota Etna is an unincorporated community in Bloomfield Township, Fillmore County, Minnesota, United States. Etna is located within ZIP code 55975 based in Spring Valley. A post office previously operated in the community of Etna from 1856 to 1901. The community was named for Mount Etna, on Sicily. The community is located 8 miles southeast of Spring Valley, at the junction of Fillmore County 14 and 153rd Avenue. U.S. Highway 63 is nearby. Etna Creek and the South Branch Root River both flow through the community. Nearby places in Minnesota include Spring Valley, Ostrander, Le Roy, Cherry Grove, and
Etna-class corvette Etna-class corvette The "Etna" class was a class of six 16 or 18-gun corvettes with a flat hull, designed by Pierre-Alexandre-Laurent Forfait and his pupil Charles-Henri Tellier. Four separate commercial shipbuilders were involved in their construction by contract - including André-François Normand, Courtois and Denise at Honfleur, and Fouache at Le Havre (2 ships), while the sixth vessel was built by Pierre Ozanne at Cherbourg Dockyard. The vessels were flush-decked and originally designed to carry a 12" mortar. However, as the British navy captured "Etna" within a year and a half of her launch at which time she was not