Figure 2
Upstream view of the village of Armero, Columbia, about 50 km downstream of Nevado del Ruiz. On November 13, 1985, during a fairly small eruption, the volcano generated a lahar that killed more than 20,000 people and produced this devastation.

Image of an upstream view of the village of Armero, Columbia, about 50 km downstream of Nevado del Ruiz.

Figure 3
Upstream (southeast) view of the Puyallup River valley about 50 km downstream of Mount Rainier. The valley bottom underlies a stack of lahars and alluvial deposits from Mount Rainier. The town of Orting is visible on the left.

Image of an upstream (southeast) view of the Puyallup River valley about 50 km downstream of Mount Rainier.

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