Sierra Negra volcano (Galapagos): continuing activity, eruption update
Wed, 5 Sep 2018, 12:05
12:05 PM | BY: TThe first and most energetic phase lasted one day (26 June) and was characterized by the opening of five fissures and lava flows traveling as far as 7 km from the vents. Lava was only produced from fissure 4 during the 57-day-long second phase (27 June-23 August), with lava reaching the sea on 6 July and expanding the coastline.
By 25 August the lava flows in total covered an area of 30.6 square kilometers. Activity continued to decline the last week of August with decreased seismicity, gas emission, and no superficial activity visible.
(GVP)
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- Information about: Sierra Negra volcano
Previous news
Wed, 29 Aug 2018, 06:00
IG reported that the eruption at Sierra Negra that began on 26 June was divided into two main phases. The first and most energetic phase lasted one day (26 June) and was characterized by the opening of five fissures and lava flows traveling as far as 7 km from the vents. Lava was only produced from fissure 4 during the 57-day-long second phase (27 June-23 August), with lava reaching the sea on 6 July and expanding the coastline. ... Read all
Wed, 22 Aug 2018, 06:00
IG reported that during 20-21 August both steam-and-gas emissions and incandescence from lava flows were visible on the Sierra Negra webcam. No activity was noted when the weather was clear during 22-28 August. ... Read all
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