Poás sends up a column of water

Volcán Poás emitted a column of vapor and rock up to 200 meters above the level of the crater lake about 2:27 p.m. Tuesday.

That is the second time in a week that the volcano has done that.  The Observatorio Vulcanológico y Sismológico de Costa Rica said that the cause was overheating of underground water. There did not appear to be magma within the erupted material, the Observatorio said.

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