Tungurahua Volcano
(Ecuador)
1.467 S, 78.442 W, summit elevation 5023 m,
stratovolcano
Friday 22nd August 2003
Tungurahua volcano, in a state of simmering eruption since October 1999, rumbled
to life overnight, sending a column of smoke and ash three kilometres high. The
latest activity followed 50 days of relative calm, since a similar eruption
affected some 16,000 people in the area in early July.
More on Tungurahua Volcano...
Tungurahua Volcano
(Ecuador)
1.467 S, 78.442 W, summit elevation 5023 m,
stratovolcano
Sunday 6th July 2003
16 000 people have been aversely affected by the ongoing eruption of Tungurahua
volcano in Ecuador's central Andean region. The 5 023 metre volcano 135
kilometres south of Quito, one of Ecuador's most active, entered a new phase of
high activity June 5. Volcanic ash is making a big impact not only on health,
but also in the economy, resulting a loss of crops and domestic animals.
More on Tungurahua volcano...
Tungurahua Volcano
(Ecuador)
1.467 S, 78.442 W, summit elevation 5023 m,
stratovolcano
Wednesday 11th June 2003
Ecuador's Tungurahua volcano, located 120 km south of the capital, has been
spewing lava for the second day in a row, accompanied by tremors, the local
press reported Tuesday. Three earthquakes and a moderate explosion were recorded
on Sunday, the Geophysical Institute of the National Polytechnic School said.
Loud explosions were heard overnight and the incandescence produced by magma
from the crater could be seen. Additionally, eight tremors were recorded on
Monday, with the longest lasting two and half hours. Columns of ashes and fumes
rose to a height of one or two kilometers. Civil defense authorities have asked
local residents to take necessary precautions in case the eruption intensifies.
Washington Volcanic Ash Advisory Centre reports an eruption of Tungurahua
Volcano visible on GOES-12 satellite imagery. (0745 hr UT)
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Tungurahua Volcano
(Ecuador)
1.467 S, 78.442 W, summit elevation 5023 m,
stratovolcano
Thursday 17th April 2003
The Geophysical Institute observed ash to 23,000 ft over the volcano at 2215 hr
UTC on 16th April. No ash is visible on satellite images but detection may be
hindered by low low level clouds in the area.
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on Tungurahua Volcano...
Alcedo Volcano (Galapagos
Islands)
0.43 S, 91.12 W, summit elevation 1130 m, shield
volcano
Friday 3rd October, 2003
Recent research on an ancient eruption in the Galapagos Islands has helped to
study the rates of genetic change in tortoises. An eruption of Alcedo volcano
around 100,000 years ago blanketed about 3.4 square kilometres of Isabela Island
with hot pumice. The DNA of today's giant tortoises around the volcano indicate
that the entire population of 3,000 to 5,000 now on Alcedo could be descended
from a single female, the sole remaining survivor of the ancient volcanic
eruptions. Each volcano on Isabela Island has its own species of giant tortoise,
but the population on Alcedo volcano has the smallest genetic variation, even
though it has the largest population. Ironically, the volcano has also protected
the tortoises, because Alcedo is the highest of the five volcanoes on Isabela
Island, and this meant that humans were less likely to impact on the population.
More on Alcedo Volcano...
Last Update: 10/08/2003