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
Italian cruiser Etna by four QF 6-inch guns, two on each side amidships. "Etna" was built by the Castellammare shipyard; her keel was laid down on 19 January 1883 and her completed hull was launched on 26 September 1885. After fitting-out work was finished, she was commissioned into the Italian fleet on 3 December 1887. "Etna" served in the "Squadra Permamente" (Permanent Squadron) from her commissioning to 1893 and then served in North and South American waters until the end of 1895. During this period, "Etna" and the protected cruisers and represented Italy at the international naval review in New York, held at