Know how to use "fewer" and "less"? Find out.
active volcano, southern Iceland. It is the country's best-known volcano. Hekla stands 4,892 ft (1,491 m) above sea level 70 mi (110 km) east of Reykjavik, the capital, at the eastern end of the island's most extensive farming region. Known in early times as the Mountain of Hell, it erupted 18 times between 1104 and 2000, with major eruptions occurring in 1300, 1766, and 1947; the 1766 explosion caused great loss of life. In the late 20th century, Hekla had three minor eruptions: in 1970, 1980, and 1991. An eruption in 2000 lasted four days but caused no significant damage