Etna, California Etna, California Etna is a city in the Scott Valley area of Siskiyou County, California, United States. The population was 737 at the 2010 census, down from 781 at the 2000 census. Originally named Rough and Ready, it was changed by statute in 1874 to Etna after the local flour mill (spelled Ætna/Aetna after Mount Ætna in Sicily). Etna is located at (41.457350, -122.896875). Etna is in Northern California near the Oregon border, located in Scott Valley near the CDP of Greenview, the city of Fort Jones, and the unincorporated community of Callahan. Etna is located at the foot of
Italian ship Etna (A 5326) . She is powered by two Sulzer diesel engines, which drive two propellers through reduction gearing. This system gives "Etna" a speed of , though she has the greatest range () at a speed of . "Etna" is equipped with minimal armament and an electronic warfare support measures system. The ship is also equipped with an Alenia Marconi Systems radar, a Selex command system and an Elmer MAC communications system. In March 2011, "Etna" was deployed to the coast of Libya as part of Operation Unified Protector, a NATO operation to enforce an arms embargo on Libya. Italian ship Etna