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Types of damage that could result from a great earthquake in the New Madrid, Missouri, seismic zone Types of damage that could result from a great earthquake in the New Madrid, Missouri, seismic zone

In the winter of 1811–1812 a series of three great earthquakes occurred in the New Madrid seismic zone. In addition to the three principal shocks, at least 15 other earthquakes, Io ≥ VIII, occurred within a year of the first large earthquake on December 16, 1811. The three main shocks were felt over the entire eastern United States. They were strong enough to cause minor damage as far...

Aeromagnetic and gravity maps of the east part of the Raymond Peak Roadless Area, Alpine County, California Aeromagnetic and gravity maps of the east part of the Raymond Peak Roadless Area, Alpine County, California

The Raymond Peak Roadless Area, 60 mi2 (153 km2) in area, is located at the crest of the Sierra Nevada approximately 13 min (21 km) south-southeast of Lake Tahoe. Markleeville, the seat of Alpine County, lies about 1.5 mi (2km) outside the northeast boundary of the area. The rugged topography of this area is dominated by Raymond and Reynolds Peaks at the south end, and Hawkins Peak at...
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