Faults are different from fault lines. Learn how to create your own.
The fact is most states are at risk of major earthquakes with 39 of the 50 states in moderate to high risk areas for seismic activity abc news reports.
Fault line east coast usa map. The epicenter of the 2011 quake the east coast s largest since 1944 was located outside mineral virginia where buildings were damaged. Some may be curious of the u s. By the time lewis and clark arrived on the west coast in 1805 it had been 105 years since the cascadia subduction zone last ruptured sending a large portion of the pacific ocean roaring toward the coast.
Photograph by scott olson getty expanded risks. This map was created by a user. A series of four in 1811 and 1812.
Geological survey usgs shows the major earthquake hazard areas within the united states based on fault lines. Map showing part of the eastern seaboard fall line where the pale colored coastal plain meets the brightly colored piedmont. A map of the fault lines database from the united states geological survey.
What are the most dangerous fault lines in the usa. There is an interactive map application to view the faults online and a separate database search function. The quake woke a lot of people in the northeast up to the virginia seismic zone vsz below the mason dixon and the consequential effects it could have on major cities along the east coast.
Kml google earth type files and gis shape files are also available for download from the site. The new madrid fault in the central united states is particularly dangerous. The new madrid fault line is best known for some of the most violent earthquakes to ever hit the united states.
An online map of united states quaternary faults faults that have been active in the last 1 6 million years is available via the quaternary fault and fold database. In contrast a fault line is where the fault cuts the earth s surface if indeed it does. Fault lines on a mapin order to answer this question we first need to explain some basics about faults.
The usgs has a faults website that includes an interactive fault map that allows users to views a map of the u s. A fault is a three dimensional surface within the planet that might extend up to the surface or might be completely buried. The atlantic seaboard fall line or fall zone is a 900 mile 1 400 km escarpment where the piedmont and atlantic coastal plain meet in the eastern united states.
The cascadia subduction zone pacific northwest. This map courtesy of the u s. It is the most active seismic area east of the rockies in the united states and runs from st.
Fault lines with earthquakes in the news lately.