Epicenter at 35.313, -83.359 These faults are not visible as breaks in the ground surface due to their antiquity, and similarly the known faults do not correspond with the locations of historic earthquake epicenters. Centered in southern Mitchell County, this sharp local earthquake toppled one chimney and cracked several others. 5.2 km from 4.2 km from

Earthquakes are more frequent in the western part of our state, but statewide they are relatively small, random and scattered events. at 02:52 May 05, 2020 UTC, Location: Many streams in the region have similar trends because their downward erosion exploited these weakened fracture zones in the bedrock. A dike is a tabular igneous intrusion that is younger than the existing rock it crosscuts.

During this time, the Earth’s crust in the region was buckled (folded) and shifted many miles to the northwest along thrust faults. Magnitude 5.2. Epicenter at 35.4, -83.329 at 09:10 September 17, 2019 UTC, Location: This level of seismic activity is due to North Carolina’s presence upon a passive, not active, continental margin – unlike West Coast regions, which experience frequent earthquakes along known and active fault zones. Epicenter at 35.116, -82.939 at 22:21 December 28, 2018 UTC, Location: (2.2 miles), 2020-01-20 19:12:11 UTC

The most recent generation intruded the crust along mainly NW-SE trending fractures that formed around 150-250 million years ago, during Mesozoic rifting of North America. (2.2 miles), 2020-03-16 07:41:40 UTC Mitchell County Earthquake – July 8, 1926. Cherokee Seismic Hazard Maps. Magnitude 5.2. at 19:08 September 09, 2019 UTC, Location:

The major faults of Western North Carolina discovered thus far are ancient, and none are known to be active. Centered in southern Mitchell County, this sharp local earthquake toppled one chimney and cracked several others. at 16:30 March 26, 2019 UTC, Location: Sylva Cherokee Some areas experienced up to three episodes of deformation and metamorphism that produced co… Epicenter at 35.416, -83.33 Epicenter at 35.35, -83.593 Chimney tops were dislodged, and many windowpanes were broken. The 1886 Charleston earthquake occurred in the Charleston Seismic Zone, with an estimated magnitude of 6.7. During this time, the Earth’s crust in the region was buckled (folded) and shifted many miles to the northwest along thrust faults. With further detailed geologic mapping, more fault lines will likely be identified. Damaging Earthquakes Centered in Western North Carolina, Damaging Earthquakes Centered Outside North Carolina.

North Carolina has experienced the effects of earthquakes throughout its history, although large and damaging earthquakes are rare, with most earthquakes having a magnitude of less than 3.0. The USGS database shows that there is a 3.16% chance of a major earthquake within 50km of Brevard, NC within the next 50 years.

Earthquakes centered in other areas of the country can affect North Carolina. (1.2 miles), 2020-05-05 02:11:18 UTC Fincastle Scientists use various scales to determine the strength of an earthquake (fig. For more information on FIA, please click, http://nc-maps.stores.yahoo.net/gh2mapofeaep.html, http://gis.enr.state.nc.us/sid/bin/index.plx?client=zGeologic_Maps&site=9AM, http://earthquake.usgs.gov/hazards/products/conterminous/2008/maps/. 22.2 km from Accessed from: http://www.nccrimecontrol.org/. 6.2 km from This level of seismic activity is due to North Carolina’s presence upon a passive, not active, continental margin – unlike West Coast regions, which experience frequent earthquakes along known and active fault zones. Carlson, J.H. Although much less active than the West Coast, there are exceptions in and around North Carolina, where increased seismicity has been recorded. There is also evidence that a few faults in the region may be Mesozoic or younger in age, forming when the continents pulled apart as the modern Atlantic Ocean opened. Accessed from: http://earthquake.usgs.gov/hazards/products/conterminous/2008/maps/ and http://pubs.usgs.gov/of/2008/1128/. at 22:17 December 29, 2019 UTC, Location: Accessed from: http://gis.enr.state.nc.us/sid/bin/index.plx?client=zGeologic_Maps&site=9AM. Earthquake History, Response and Emergency Kit. Clark. Valley Hill Most were formed during the Paleozoic mountain building episodes, around 480 to 300 million years ago. Epicenter at 35.761, -82.646 Accessed from: http://nc-maps.stores.yahoo.net/gh2mapofeaep.html. In contrast, there are no active fault zones in North Carolina. Wooten, K. Snider, and T.W. Skyland Earthquake – February 21, 1916. Epicenter at 35.284, -83.31 8.2 km from Epicenter at 35.425, -83.332 Explore Brevard is the official tourism site of Transylvania County and Brevard NC also known as the Land of Waterfalls. North Carolina has experienced the effects of earthquakes throughout its history, although large and damaging earthquakes are rare, with most earthquakes having a magnitude of less than 3.0. The most significant fault in the region is the Brevard fault zone, which extends from Alabama to Virginia across North Carolina, where it coincides with a long, linear topographic low. Merschat. Epicenter at 35.297, -82.523 The great earthquakes of 1811–1812 (magnitude 7.3–8.3) were centered in the Mississippi Valley near New Madrid, Missouri, and were felt throughout the state. 6.2 km from Medina, J.G. Epicenter at 35.253, -82.45 3.2 km from

Clark. Another major fault in the region is the Linville Falls fault. The shock was felt from Washington, D.C., to Charleston, South Carolina, and Cincinnati, Ohio.

at 03:03 September 12, 2019 UTC, Location:

One example is the cluster of epicenters stretching from Tennessee through the edge of Western North Carolina and into northern Georgia and Alabama, called the Eastern Tennessee Seismic Zone.

Fractures along the borders of the dikes can also influence groundwater quantity, quality, and flow direction. Damage in North Carolina occurred mainly in the eastern and central parts of the state, but damage was reported in Waynesville. These characteristics of fault zones influence the quantity, quality, and flow directions of groundwater, can affect the stability of rock slopes, and can make them ideal sources of flagstone. at 19:12 January 20, 2020 UTC, Location: In Western North Carolina, several generations of igneous dikes are exposed at the surface today, but are too small to be displayed on the regional map.

13.2 km from

at 00:13 September 12, 2019 UTC, Location: Geologic Map of North Carolina, Scale 1:500,000 (out of print). Magnitude 5.5. The above content is a part of the Western North Carolina Vitality Index. at 07:51 April 02, 2019 UTC, Location: NOTICE: This site is no longer being actively maintained. 2.2 km from (5.2 miles), 2019-08-18 16:23:21 UTC Epicenter at 35.027, -83.215 2.2 km from 15.2 km from 6.2 km from Damage in North Carolina occurred mainly in the eastern and central parts of the state, but damage was reported in Waynesville. Bream, and A.J. at 07:41 March 16, 2020 UTC, Location: Epicenter at 35.431, -83.327 Fractures along the borders of the dikes can also influence groundwater quantity, quality, and flow direction. 2007. at 02:54 September 29, 2019 UTC, Location: (7.2 miles), 2019-01-07 05:27:11 UTC Joint faces (In Other words Walls) are parallel . Research is underway to more accurately understand the seismic potential in this region. The area of significant damage was about 0.5 miles long and 900 feet wide, but it was felt over an area of about 40,000 square miles. Most were formed during the Paleozoic mountain building episodes, around 480 to 300 million years ago. Accessed from: http://earthquake.usgs.gov/hazards/products/conterminous/2008/maps/ and http://pubs.usgs.gov/of/2008/1128/.

Hatcher, R.D., Jr., B.B.

Effects such as broken windows and cracked plaster and masonry affected the western part of the state.