EarthSphere
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EarthSphere

Subsidence

When the Ground Sinks Beneath Us

Published in the EarthSphere Blog

That Sinking Feeling (©Archean Enterprises, LLC; ArcheanArt)

Terra firma is not as solid and unyielding as we may believe. Sometimes it fades away before we even notice it’s gone. The headlines of a recent article in the San Francisco Chronicle lament the slow descent of some California towns, where ground levels have dropped nearly a foot in one year. Seemingly firm solid ground is sinking…

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