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A fissure vent, also known as a volcanic fissure, eruption fissure or simply a fissure, is a linear volcanic vent through which lava erupts, usually without any explosive activity. The vent is often a few metres wide and may be many kilometres long. Fissure vents can cause large flood basalts which run first in lava channels and later in lava ...
Crack in the Ground marks the western edge of this small, volcano-tectonic depression. The crack is the result of a tension fracture along a hingeline produced by the draping of Green Mountain lava flows over the edge of upthrown side of the concealed fault zone. The fissure is located at the southwest corner of Four Craters Lava Field. [2]
A volcanic fissure and lava channel. A fissure vent, also known as a volcanic fissure or eruption fissure, is a long volcanic vent through which lava erupts. Fissure vents are connected to deep magma reservoirs and are typically found in and along rifts and rift zones. [14] They are commonly associated with shield volcanoes.
The eruptive fissure was estimated to be 1.5 km (0.93 mi) long. [15] By 4 September, the total area of the lava flow was estimated at 10.8 km 2 (4.2 sq mi). [15] Two new eruptive fissures formed south of the main eruption site, on 5 September. [15] The new fissures were substantially smaller than the older fissure. [15]
Volcano: Kīlauea's Lower East rift zone: Start date: May 3, 2018 (): End date: August 4, 2018 (): Type: Fissure eruption: Location: Hawaii Island, Hawaii, United States: Impact: 24 injuries; lava fountains, lava flows; at least $800 million (2018 USD) in property damage; volcanic gas and earthquakes forced the evacuation of populated areas and destroyed houses, roads, and utilities.
Laki (Icelandic pronunciation: ⓘ) or Lakagígar ([ˈlaːkaˌciːɣar̥], Craters of Laki) is a volcanic fissure in the western part of Vatnajökull National Park, Iceland, not far from the volcanic fissure of Eldgjá and the small village of Kirkjubæjarklaustur. The fissure is properly referred to as Lakagígar, while Laki is a mountain that ...
Krýsuvík, The volcanic system is a fissure swarm, situated on the divergent tectonic plate boundary of the Reykjanes peninsula is a fissure system without a central volcano. [53] [54] Part of the Reykjanes volcanic zone (RVZ). See Chronology of Eruptions below: Krýsuvík 100,000, Krýsuvík 1151-1188
Lacking a central volcanic cone, the Svartsengi volcanic system consists of a set of fissures, cones and volcanic craters aligned over 30 km (19 mi) in length and 7 km (4.3 mi) in width, oriented north-east to south-west and surrounded by fields of lava: [3] Þorbjörn (243 m (797 ft)), Hagafell (158 m (518 ft)), Sundhnúkur 134 m (440 ft) (Sundhnúksgígar means the associated crater row ...