Cuicocha volcano (Ecuador) activity update: Increase in seismicity, but no cause for concern

Thu, 4 Oct 2018, 20:33
20:33 PM | BY: MJFLEGEND
Lava domes in the lake of the active caldera, with much older and extinct Cotacachi stratovolcano in background. Credit: P. Ramós, IGEPN
Lava domes in the lake of the active caldera, with much older and extinct Cotacachi stratovolcano in background. Credit: P. Ramós, IGEPN
Location of some of the earthquakes recorded. Credit: IGEPN.
Location of some of the earthquakes recorded. Credit: IGEPN.
The geophysical institute of Ecuador reports that seismicity at Cuicocha caldera has increased. 60 earthquakes, up to a magnitude of 2.5 have been recorded in the last two days. All are of the volcano-tectonic (VT) type, meaning they are caused by rocks breaking. The significance of this activity remains to be seen, but as it stands there is no concern; the volcano last erupted about 1,370 years ago; much more intense activity would be expected before any eruption.

Previous news

Wed, 3 Oct 2018, 06:00
IG reported an increase in seismic activity at Cuicocha during 2-3 October, characterized by a total of 60 volcano-tectonic events recorded at the time of the report posting. The largest of these events, a M 2.5 at 1058 on 2 October, was reportedly slightly felt by a resident of Quiroga. ... Read all
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