Earthquake in Redding, CA!

We just had a small earthquake in Redding, California. The shaking was felt as far as 40 km from the epicenter, which was not deep (so probably in the North America plate). The focal mechanism shows that this was a reverse (compressional) earthquake. This is the USGS web page for this earthquake.

Here is a map of the region, showing the focal mechanism and USGS epicenter.

Here is a map for those unfamiliar with the region of northern California where Redding is located. The epicenter is plotted as a red dot.

This is the USGS “Did You Feel It?” map, showing the responses from real people who actually made observations about this earthquake. The color represents the magnitude of ground shaking (intensity) and uses the Modified Mercalli Intensity scale. If anyone felt this earthquake, go to this web page to report your observations. These data are valuable to the scientific community.

Category(s): cascadia, Chemeketa Community College, education, geology, HSU, humboldt, plate tectonics

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