Grímsvötn is a person of Iceland's most lively volcanoes, and this eruption was considerably additional effective than the 2010 Eyjafjallajökull exercise, with ash and lava hurled twenty km (12 mi) into the atmosphere, generating a big cloud. The resultant cloud of volcanic ash introduced important disruption to air journey across Europe. The best air temperature recorded was 30.5 °C (86.