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 ship Etna (A 5326) Italian ship Etna (A 5326) "Etna" is an auxiliary ship that entered service with the Marina Militare in 1998.<br> She is designed to support fleet operations with fuel and dry stores.<br> "Etna" is the Italian single vessel of Etna class with a sister ship, HS "Prometheus", was built under licence in Greece and entered service with the Hellenic Navy in 2003. "Etna" is the fifth Italian ship to bear the name. She was ordered in July 1995, and was built by Fincantieri at the Riva Trigoso Naval Shipyard. She was launched in July 1997, and underwent sea trials during November