Hello Fabrice - Good catch! It does look like very small amounts of ash to us, also. Seismic tremor has been increasing in the last hour. Currently, it doesn't seem like the ash is being carried by the plume, which is an important difference for aviation. We're watching closely! (It was discussed quite a bit in the Monday morning staff meeting, but seems to have become much less questionable since that time.) Thank you, Cheryl -------- fabrice digonnet wrote: Hello to all the AVO Team. I read on the last (10 june) update for veniaminof volcano that there is just a gas plume. But when i look for the FAA webcam in Perryville, it seems that since 17h44 TU there is intermittent ash plumes emmited. It could just be a "game of the light" int he gaz plume? Thanks to all Best regards -- Cheryl Cameron Geologist, Alaska Volcano Observatory Alaska Division of Geological & Geophysical Surveys voice: 907-451-5012 fax: 907-451-5050