(Last updated May 12, 2002)
The Popocatepetl volcano is in central Mexico between Mexico City and Puebla.
In late 1994, it started a series of explosive eruptions alternating with lava dome growth in
the crater. One of the better documented explosions occurred on the evening of January 1,
1998. The skies were clear, so the eruption was easily captured on the
The first image (27K JPG) shows the volcano about
five minutes before the eruption began. A light cloud of steam and volcanic gases coming
from the crater is the only sign of activity. The subsequent images show the evolution of
the eruption at about one-minute intervals. The ash plume bends over toward the left (east)
due to strong westerly winds over the volcano. Starting in the
third image (37K JPG) there is an orange glow in the lower
right portion of the images. This is an area of brush fires started by red-hot
rocks ejected in the eruption.
These images are used with the kind permission of
CENAPRED. Their web site contains more
information on the eruption, including
daily updates and a
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