Supporting geography educators everywhere with current digital resources.



Volcanic ash covers Costa Rica towns

A volcano erupts in central Costa Rica, belching smoke and ash up to 3,000m (9,840ft) into the air and choking nearby communities.


Tags: Costa Rica, disasters, physical, volcano.


Mount St. Helens: Volcanic Eruption and Recovery

The 1980 Mount St. Helens eruption was one of the most significant natural disasters in the U.S. in the past half-century. Landsat captured the extent of, and recovery from, the destruction.

The accompanying satellite images (also compiled in a video to show the temporal changes) demonstrate one way that remote sensing images can help us better understand the spatial patterns in the biosphere.

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