| |
| | Hekla volcano, Iceland |
 | | Hekla erupts a magma type that is unique for Iceland, intermediate between highly silicic and andesitic composition. |
 | | Since the Middle Ages, Hekla's has been one of the most active volcanoes of the world, with recorded major eruptions in 1104, 1158, 1206, 1222, 1300, 1341, 1389, 1510, 1597, 1636, 1693, 1766, 1845, 1947, 1970, 1980, 1991 and 2000. |
 | | Hekla with the fresh lava flows seen from the air (above), showing mild steaming and the still active lava flow from the base of the eruptive fissure on 4 March 2000 (below). |
| www.decadevolcano.net /volcanoes/iceland/hekla.htm (604 words) |
|