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mountain was the home of the farmers and ranchers who cultivated
the fertile lands along the base of the volcano and some of it's
On July 29, 1968, around 7:30am, Arenal woke up the near by
settlers, producing huge ashes, noisy explosions and glowing red
orange lava. An immense hole was suddenly blown out of its side
causing 3 small surrounding villages to be buried. The eruption
continued for a week or so and covered about 13 square miles of
land with rocks, lava and ashes.
The intensity of this eruption was very spectacular as the
Volcano, at the top of his height, threw out a gigantic amount
of lava and ashes and tossed giant several ton stone blocks at
about 2 miles per second, landing at a distance of more than a
mile away. The explosions formed 3 new active craters.
The last major eruption was on September 2003 where an explosion
opened a slope of the volcano with a few avalanches of rocks.
The incandescent mixture of hot ashes, rocks & lava traveled at
a speed about 125 miles per hour on about half a mile.
then, the volcano has been moderately active, producing tumbling
hot rocks, smoke, ash & lava almost every day without causing
any damage to the local towns.
The Hotels that surround the volcano are at a safe distance from
the volcano located several kilometers away. It is very safe to
visit the area from the various observatories organized for
The Arenal Volcano is one of the most visited natural
attractions of Costa Rica, making tourism the main source of
income for the region with agriculture still being very