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New pyroclastic cone on top of Arenal volcano, Costa Rica
From: Eliecer Duarte <eduarte@xxxxxxxxx>
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On Monday 24, noon a series of PFs took place at Arenal Volcano, Costa Rica. An upper south section of the new volcano collapsed due to gravity and sudden shacking of a nearby pyroclastic cone under construction.
Since early January a new lava flow was detected moving towards southwest. (see previous report at:
The new cone, located east of the summit (towards the old Arenal crater) is producing loud explosions accompanied by bombs and other pyroclasts that cover 360 degrees around the summit. Due to the narrow area where the new cone is being built new collapses will ocurr in the near future. In the past, similar cones have produced lava flows that move where gravity take them.
Detailed info is available at: (Spanish field report).
No one got hurt due to the PFs from last week although a good deal of national alarm got triggered.
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