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Cotopaxi volcano
stratovolcano 5911 m / 19,393 ft
Ecuador, -0.68°S / -78.44°W
Current status: normal or dormant (1 out of 5)
Cotopaxi webcams / live data | Reports
Cotopaxi volcano books
Cotopaxi volcano eruptions:
2015-16, 1942(?), 1940, 1939(?), 1931(?), 1928-30(?), 1905-08, 1903, 1895, 1886, 1885, 1883?, 1883, 1882, 1880, 1879, 1878, 1877, 1870-76, 1870, 1869, 1868, 1867, 1866, 1863, 1860-62, 1859, 1858, 1857, 1856, 1856, 1855, 1854, 1853, 1852, 1851, 1850, 1845, 1844, 1803, 1768, 1766, 1750, 1747-49, 1746, 1744, 1743, 1743, 1742, 1742, 1740-41, 1738, 1698, 1534, 1533, 1532, 1400, 1260, 1130, 950, 770, 760, 740, 550, 370, 180, 140, 110, 70, 80 BC, 230 BC, 1510 BC, 2220 BC, 2640 BC
Typical eruption style:
explosive
Last earthquakes nearby
Latest satellite images

Sentinel hub | Landsat 8
 

Cotopaxi volcano news & activity updates:

Cotopaxi volcano update: Incandescence at crater suggests magma approaching vent

Saturday Oct 03, 2015 08:17 AM | BY: T

Glow from Cotopaxi's crater this morning
Glow from Cotopaxi's crater this morning
Steam plume from Cotopaxi last evening
Steam plume from Cotopaxi last evening
Visible activity of the volcano has been relatively low during the past week. Only a strong steam plume mixed with low ash contents has been emitted, but there has been a significant change: incandescence has now become visible from the crater. According to scientists from IGEPN, the glow originates from high-temperature gasses. However, this suggests that magma continues to approach the vent, and that the eruption might now be about to become magmatic.
The latter means that the volcano starts to erupt fresh magma, not, only older fragmented material during phreatic (steam-driven) ash explosions as it has been doing so far. According to IGEPN, this could be premonitory of a new eruptive phase characterized by small to moderate explosions that could expel incandescent blocks outside the crater, accompanied by new ash emissions.
Previous news
Ash plume from Cotopaxi last evening
Monday, Sep 21, 2015
The volcano remains active at low to moderate levels (seismicity and emissions). It continues to produce mild ash emissions that usually drift westwards and rise approx. 1 km from the crater. ... [more]
Thermal image of Cotopaxi's crater on 3 Sep (image:  P. Ramón IG/EPN)
Wednesday, Sep 09, 2015
The activity at volcano continues, but has been less intense during the past days. Weak to moderate intermittent explosions produce ash plumes that vary in height from a few hundred to 1000 meters. ... [more]
Friday, Sep 04, 2015
IGPEN estimates that the total volume of ash erupted so far is about 630,000 m3 weighing about 700,000 tons. This would make the eruption rank so far as VEI 1 only. ... [more]
Eruption column of Cotopaxi on 2 Sep (image: P. Espin / CotopaxiPungo lodge)IGEPN)
Friday, Sep 04, 2015
Activity continues at similar levels as during the past days, with emissions of steam and ash, rising to heights of 1-4 km and drifting into westerly directions where fine ash fall occurs and accumulates to now several millimeters in places. ... [more]
Current seismic trace (BNAS station)
Monday, Aug 31, 2015
Activity at the volcano remains high while seismic activity has been showing a decreasing trend today and been described as moderate by the Geophysical Institute. ... [more]
 

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