Activity of Volcán de Colima

Activity of 2007-06-01 - 2007-06-30


A further flight on 5 June confirmed that the dome that was observed in February has grown no further and is now cooling down. The hottest parts of the crater were now some of the small explosion craters where temperatures hotter than 400 degrees C were recorded

Activity of 2007-04-01 - 2007-05-31


Activity continued at low levels with some 3-4 explosions per day but the majority being quite small. Occasionally however, there were larger events producing incandescence if seen at night and ballistics. One of these was captured very nicely with the infrared camera. In the image you can see ballistics impacting with the flank. White areas are hotter than 50 degrees C.

Activity of 2007-03-01 - 2007-03-31


Observations from a flight on the 6th March indicated that the dome had n ot grown significantly since the previous observation on 9th Feb. It is possible that the effusion is occurring in pulses and further growth will be later observed. This type of activity occurred in 2001. Unfortunately the infrared camera had to go for repair during March so there is a gap in the data.

Activity of 2007-01-01 - 2007-02-28


Fumarole temperatures were measured to have declined further at the end of January. A flight in early February noticed a new rocky mass within the crater. Further helicopter flights with data from the infrared camera confirmed it was a new extrusion but apparently growing very slowing, perhaps in a similar fashion to 2001. On 9 February the diameter was estimated at 80-90 m with temperatures recorded up to 380 °C. Towards the end of the February and in March fumarole temperatures showed an increasing tendency. This was related to the superficial magma body.


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