e/Hekla 3 eruption

Information
has gloss	eng: The Hekla 3 eruption (H-3) circa 1000 BC is considered the most severe eruption of Hekla during the Holocene. It threw about 7.3 km3 of volcanic rock into the atmosphere, placing its Volcanic Explosivity Index (VEI) at 5. This would have cooled temperatures in the northern parts of the globe for a few years afterwards.
lexicalization	eng: Hekla 3 eruption
instance of	c/Volcanic events