1980 eruption of Mount St. Helens | Hōei eruption of Mount Fuji | Plinian eruption | Air travel disruption after the 2010 Eyjafjallajökull eruption | subglacial lake | Hatepe eruption | Eruption column | 1883 eruption of Krakatoa |
It originally referred to the well-known subglacial outburst floods from Vatnajökull, Iceland, which are triggered by geothermal heating and occasionally by a volcanic subglacial eruption, but it is now used to describe any large and abrupt release of water from a subglacial or proglacial lake/reservoir.