Lava 09 : Term used for totally or partially molten magma when this reaches the surface following an effusive or moderately explosive eruption. The term lava is also used for rocks formed when the erupted magma solidifies
National Service of Civil Protection, Glossary, State of emergency, Ccs - Aid Coordination Centre, Com - Mixed Operations Centre, Fumarole, Volcanic eruption, Lapilli, Precursory phenomena, , Italy 2012. http://www.protezionecivile.gov.it/jcms/en/view_pd e.wp;jsessionid=9D8024967566483BC206C6859D2994E3?c ontentId=PDE12771, (ND/ Volc Emr - Brit) {149}