Heartbreak for Geologists in California Town

NPR and the Los Angeles Times  report that a snapshot of the earth’s shifting tectonic plates,an accidental experiment, was destroyed in the town of Hayward, California, when a city  crew decided to do what they  are supposed to do — fixing streets —  and destroyed a wonderful curbside laboratory for studying earthquakes.

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The curb in Hayward, shown in March 2006, has changed over the years. For decades it moved about 4 millimeters per year.

From NPR report