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Latest News:

Tuesday, Oct 02, 2018
Heat radiation from Sierra Negra volcano during the past months (image: Mirova)
The eruption that had been going on since late June has significantly decreased or even stopped during Sep. The thermal signal from satellite data suggests that either lava effusion continues at strongly decreased rate or reflects the still hot surface from the significant new lava erupted during June-August. ... read all
Wednesday, Sep 05, 2018
IG reported that the eruption at Sierra Negra that began on 26 June was divided into two main phases. ... read all
 

Sierra Negra volcano eruptions

shield volcano 1124 m / 3687 ft
Isabela Island, Galapagos, -0.83°S / -91.17°W
Eruption list: 2018 (June-Aug), 2005 (Oct), 1979-80, 1963, 1957, 1954, 1953, 1948, 1911, 1860, 1844, 1817, 1813, 1350 ± 500 years, 1060 ± 500 years, 370 AD ± 1100 years, 1250 BC ± 100 years, 8250 BCE ± 1600 years


June-Aug 2018 eruption
Map of the 2018 eruptionAfter one year of significant unrest, a large fissure eruption started on 26 June 2018, involving the formation of lava fountains and large lava flows on the northern flank of the volcano. Lava flows enlarged the northern coastline of the southern part of the island.
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