Increased Eruptions at Mexico's Popocatépetl Cause Minor Air Travel Cancellations

The ashy eruptive plume from Mexico's Popocatépetl, seen on July 4, 2013. Image: Webcam capture via CENAPRED. The eruption at Mexico's Popocatépetl continues its up and down character, this time taking an upswing over the past few days (video). For much of July 4, the volcano produced a continuous plume of ash and steam (see above) that was accompanied almost constant high frequency tremor, likely the result of the magma rising in the volcanic conduit. Almost 100 "exhalations" (small explosions) were also noted at the crater of Popocatépetl, sending more ash and incandescent bombs down the slopes of the volcano along with some minor ash fall on surrounding communities as this video shows. The Telegraphposted some video of the activity that occurred during the night, so you can see the bombs being thrown from the vent (although they decided to slow down the video a lot). All of this ashy ...