Earth Watch Report - Volcanic Activity
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RSOE EDIS
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| Description |
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volcano has entered a new eruptive phase since yesterday, Ecuador's
Institute of Geophysics (IGP) reported. Starting from 15:00 local time
yesterday, increasing tremor was registered and steady ash emissions
were observed. At night, incandescent blocks could be seen and heard
rolling down from the crater where probably a new lava dome has started
to appear. Small pyroclastic flows descended on the eastern,
southeastern and southern flanks of the volcano, probably as a result of
re-mobilization of fresh lava and tephra deposits. These so-called
secondary pyroclastic flows reached lengths of 500 m below the summit.
IGP assumes the most likely scenario for the evolution of the new
eruptive episode is that activity continues at similar levels for a
while. So far, lava avalanches and pyroclastic flows have been confined
within the caldera, near the flanks of the main cone. So far, no reports
of ash falls became available from communities in the nearby areas,
suggesting that the eruption is still small. An important hazard remains
in the form of lahars (mud flows), which can be generated by
re-mobilization of loose material during heavy rainfall and would most
likely threaten the bed and banks of the Quijo river. |
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Reventador volcano, Ecuador: news & activity updates
Reventador volcano (Ecuador): new eruption
Wednesday Mar 26, 2014 16:36 PM | BY: T
Continuous ash emission and incandescent avalanches on Reventador's eastern flank (image: G. Taipe / IGP)
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IGP assumes the most likely scenario for the evolution of the new
eruptive episode is that activity continues at similar levels for a
while. So far, lava avalanches and pyroclastic flows have been confined
within the caldera, near the flanks of the main cone. So far, no reports
of ash falls became available from communities in the nearby areas,
suggesting that the eruption is still small. An important hazard remains
in the form of lahars (mud flows), which can be generated by
re-mobilization of loose material during heavy rainfall and would most
likely threaten the bed and banks of the Quijo river.
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