A magnitude 5.0 earthquake hit Kilauea volcano on Sunday 22nd January 2012 (local time). The earthquake was shallow and had a focus depth of 8 km. The epicentre was located about 6 km south of Pu’u O’o crater. The earthquake was preceded by one minute by a magnitude 4.1 earthquake.
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Kilauea Volcano, Hawaii
The current eruption of Kilauea volcano has entered its 29th year. A summit lava lake is located in a 150 m wide pit in Halemaumau crater. The surface of the lava lake varies from a depth of 70-150 m. The vent has been active since an explosion on 19th March 2008. Eruptions continue on the east rift zone and have been continuing since 3rd January 1983. Lava flows are currently active 3 km SE of Pu’u O’o crater. On 6th January 2012 sulphur dioxide emission was 150 tonnes per day.
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Puyehue Volcano, Chile
Eruptions continue at Puyehue volcano in Chile. On 13th January the airport at Bariloche in Argentina reopened to flights for the first time since the eruption of Puyehue on 5th June 2011. Ashfall caused the closure of the airport again on 16th January 2012.
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