USGS CMG InfoBank: Why We Find Few Craters on Earth

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Comment: 07:56 - 08:17 (00:21)
Source: Annenberg/CPB Resources - Earth Revealed - 2. The Restless Planet
Keywords: "impact crater", crater, Earth, erosion

Our transcription: This Canadian crater seen from space is over 60 kilometers across.
Lakes fill the troughs near its rim.
But unlike the rest of the planets, erosion and sedimentation have removed the craters of most impact sites on Earth.

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Page Last Modified: Tue Feb 5 05:13:35 PST 2013 (chd)