Hekla - Wikipedia
网页A small eruption (VEI-2) occurred between 27 February 1878 and April 1878, around 10 km (6.2 mi) east of Hekla, and produced 0.2 km 3 (0.048 cu mi) of lava from two parallel fissures covering 15.5 km 2 (6.0 sq mi).
Hekla | Active Volcano, Eruptions & Iceland | Britannica
网页Known in early times as the Mountain of Hell, it erupted more than 20 times between 1104 and 2000, with major eruptions occurring in 1300, 1766, and 1947–48. The 1766 explosion caused great loss of life. The eruption of 1947–48 lasted for 13 months and sent an ash cloud nearly 16 miles (27 km) into the atmosphere; ash fell as far away as ...
Hekla - Global Volcanism Program
网页The main eruption was from fissures at the base of the Hekla ridge to the SSW (Sudurgigar), and NE (Hlidargigar). The eruption in the Sudurgigar began at an elevation of about 800 m above sea level. The elevation of the highest Hlidargigar, where eruption began about an hour later than in Sudurgigar, is about 640 m.
Hekla 3 eruption - Wikipedia
网页The Hekla 3 eruption (H-3) c. 1000 BC is considered the most severe eruption of Hekla during the Holocene. [2] It threw about 7.3 km 3 of volcanic rock into the atmosphere, placing its Volcanic Explosivity Index (VEI) at 5.
Hekla eruptions - Icelandic Meteorological office
网页The Hekla volcanic system has erupted 23 times in Historical time and is the third most active system in Iceland. The activity has changed in terms of frequency and type of eruptions with time.
Impacts & Mitigation - Hekla - USGS
网页Hekla. Hekla produces occasional violent eruptions in Iceland. Water Supply. After tephra falls during the 1947 eruption of Hekla, fluorine contents of stream waters in areas that received between 1 to 10 cm of ash were found to be between 1.0 and 4.5 ppm for a short duration (Thorarinsson, 1979), elevated from the normal background level of 0. ...
Guide to Hekla Volcano in Iceland, live volcano cam - LAVA Centre
网页Within the Hekla volcanic system, Mt. Hekla is exemplified by mixed eruptions; this means that during an eruption both an explosive phase (i.e., large production of tephra/ash), and an effusive phase (i.e., production of lava flows) can occur at the same time, at a certain point during the eruption.
Hekla Volcano, Iceland, in the 20th Century: Lava Volumes, Production ...
网页2018年2月12日 · Hekla mountain erupted 5 times (1947–1948, 1970, 1980–1981, 1991, and 2000) in the 20th century, producing tephra and basaltic-andesite lava flows.
Report on Hekla (Iceland) — February 2000 - Global Volcanism …
网页On 26 February 2000 the WSW-trending, elongated Hekla volcano erupted. A fissure 6-7 km long opened along the SW flank of the Hekla ridge, from which a discontinuous curtain of lava erupted starting at 1819. Just a few minutes later, at 1825, an ash plume reached a height of 11 km and was carried N by light winds.
Hekla - Icelandic Meteorological office
网页Hekla volcanic system is located on the Eastern Volcanic zone and consists of a central volcano rising to 1490 m.a.s.l. and is about 60 km long fissure swarm. The volcano has been highly active during Holocene and has erupted 23 times in historical time, with its last eruption occurring in 2000.