FVPS01 at 05:36 UTC, 14/09/16 from NZKL [less]

The eruption consisted in a phase of passive (without significant explosions) ash venting starting at about 11:50 local time. The activity produced a whitish-gray plume of fine ash that rose a few hundred meters and was blown by strong winds to the east where it formed a narrow plume several tens of kilometers long.
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FVPS01 at 01:28 UTC, 13/09/16 from NZKL [less]

Since the eruption, the volcano has returned to quiet / normal activity and the alert level was again lowered to 2 (although aviation color code remains orange for the time being as other explosions could occur).
The eruption covered about 80% of the crater's surface and the northern and southern crater walls with fine ash. It had been preceded by a slight increase in seismic activity, but SO2 gas emissions had been unchanged. During a visit last week, it had been observed that the level of the acid crater lake had fallen by approx. 2 meters, indicating significant evaporation, and / or greater infiltration. [less]