Daily Archives: April 24, 2008

Landforms of Glaciation

Glaciers have played an important role in the shaping of landscapes in the middle and high latitudes and in alpine environments. Their ability to erode soil and rock, transport sediment, and deposit sediment is extraordinary. During the last glacial period … Continue reading

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Lessons from St. Helens:Science of Prediction of Volcanoes

When earthquakes started jolting Mount St. Helens in March, 1980, little infrastructure was available to monitor the mountain or warn of an eruption. As the quakes continued, scientists scavenged seismographs and surveying equipment to take the mountain’s pulse. Their agenda … Continue reading

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