lahar

lahar danger
5:59 am
Fri September 20, 2013

Colombians Urge Northwesterners to Appreciate Lahar Danger

Armero, Colombia was destroyed by a lahar on November 13, 1985.
USGS photo by R.J. Janda

Visiting scientists from the country of Colombia have a warning for people living in the valleys below our Northwest volcanoes: Get educated about a rare but dangerous phenomenon called a "lahar.”

That’s the advice delivered to an attentive crowd in Puyallup Thursday night.

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