Three sequences of well-documented, major ~M7+ earthquakes (1811-1812 CE, ~1450 CE, and ~900 CE) in the New Madrid seismic zone, USA, contribute significantly to seismic hazard in the region. Here are factors to keep in mind about earthquakes in Tennessee: Buildings. A USGS map showed it was felt around East Tennessee and southern Kentucky. Mag. 2) Click a point on the map, this will be the left side of the cross-section. The maps displayed below show how earthquake hazards vary across the United States. Tennessee ) - - - - | Quakes (show) all >M3 >M4 >M5 >M6 M7+ / past 24h - past 48h - past week - past 2 weeks / Archive. It was the second earthquake to hit the area in two days. Earthquakes are shown as circles sized by magnitude (red, < 1 hour; blue, < 1 day, yellow, < 1 week). 6) Click "Plot" A magnitude 2.8 earthquake hit on Sunday, the USGS said. The Eastern Tennessee Seismic Zone (ETSZ), also known as the East Tennessee Seismic Zone and the Southern Appalachian Seismic Zone, is a geographic band stretching from northeastern Alabama to southwestern Virginia that is subject to frequent small earthquakes.The ETSZ is one of the most active earthquake zones in the eastern United States. Click or tap on a circle to view more details about an earthquake, such as location, date/time, magnitude, and links to more information about the quake. 3)Click a second point on the map, this will be the right side of the cross-section. The strongest earthquake … California is — as expected — a sea of red in the U.S. Geological Survey’s latest earthquake prediction model. 4) Drag square on line to include events to plot. Local time is the time of the earthquake … Year Published: 2019 Four major Holocene earthquakes on the Reelfoot fault recorded by sackungen in the New Madrid seismic zone, USA. 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