Hekla | volcano, Iceland | Britannica
www.britannica.com › place › HeklaHekla, active volcano, southern Iceland, lying within the country’s East Volcanic Zone. It is Iceland’s most active and best-known volcano. The volcano is characterized by a 3.4-mile- (5.5-km-) long fissure called Heklugjá, which is active along its entire length during major eruptions. Lava flows issuing from this fissure have contributed to the volcano’s elongated shape. Hekla stands ...
Hekla 3 eruption - Wikipedia
en.wikipedia.org › wiki › Hekla_3_eruptionThe Hekla 3 eruption (H-3) circa 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. This would have caused a volcanic winter, cooling temperatures in the Northern Hemisphere for several years afterwards.