Worldwide Volcano News and Updates

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22 May 2018 updated lava flow map and thermal image of the ongoing eruption of Kilauea in the East Rift Zone (HVO/USGS)

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On the Big Island of Hawai'i, Kilauea's activity proceeds without any signs of weakening. Eruption of lava and ground cracking continues in the area of Leilani Estates subdivision in the Lower East Rift zone. Monday 21 May lava was being erupted from multiple points along the northeast end of the active fissure system. HVO/USGS reported that whilst fissures 6, 17 and 19 only showed intermittent spattering, fissure 20 was erupting a short line of low lava fountains feeding a channelized lava flow that reached the coast. By the evening of 21 May there was only a single lava ocean entry left. Over the course of Tuesday 22 May, most eruptive activity in the Lower East Rift Zone shifted to the middle portion of the system of fissures. Lava fountains were being ejected from fissures 6 through to fissure 22 and some weak spattering occurred from fissures 5, 6, 17 and 19. A new area of fountaining started in the afternoon along the fissure line between Kaupili and Mohala Streets near Fissure 23. Read all

• More about Kilauea volcano

After the stratovolcano's sudden large phreatic explosion on Friday 11 May a series of smaller phreatic eruptions have occurred in the past few days which caused light ash fall in the vicinity. Phreatic eruptions are caused when underground water comes into contact with lava from Mt. Merapi, causing superheated vapor that breaks through its summit dome. In response, the volcano's alert level was raised from 'normal'to 'caution', the third-highest level, and local authorities closed all access to the volcano in a radius of 3 km from its summit. Read all

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