New Madrid Earthquake. By: Julie Dillon and Caroline Miller. New Madrid Earthquake 1811-1812. The three earthquakes that occurred during 1811-1812 are among the great earthquakes of known history. Took place near New Madrid, MO. Magnitude of 8.0 or higher on the Richter Scale. Results.
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By: Julie Dillon and
Earthquakes in the central or eastern United States effect much larger areas than earthquakes of similar magnitude in the western U.S.
For example, the San Francisco, CA, earthquake of 1906 (magnitude 7.8) was felt 350 miles away in the middle of NV, whereas the New Madrid earthquake of Dec. 1811 rang church bells in Boston, MA, 1,000 miles away.
Differences in geology east and west of the Rocky Mountains cause this strong contrast.Differences
Through better understanding of earthquake hazards and through public education, earth scientists, engineers, government agencies, universities, and private organizations are helping to protect the citizens of all parts the United States from loss of life and property in future earthquakesPrevention