| Hurricane Fault | |
|---|---|
.jpg) The
Hurricane Cliffs, formed by the Hurricane Fault, near
St. George, Utah viewed from above. | |
| Etymology | Hurricane, Utah |
| Country | United States |
| State | Arizona, Utah |
| Cities | St. George, Utah area |
| Characteristics | |
| Part of | Colorado Plateau, Basin and Range Province |
| Length | 250 km (160 mi) [1] |
| Tectonics | |
| Plate | North American |
| Status | Active |
| Earthquakes | 1992 and others [2] |
| Type | Normal fault |
| Movement | 0.15 to 0.25 mm/yr [1] |
The Hurricane Fault is an intracrustal seismic fault that runs along the boundary between the Colorado Plateau block and the Basin and Range geologic province of western North America. It is a 250-km-long, north–south striking, high-angle, down-to-the-west normal fault, running from about Cedar City, Utah southward into northwestern Arizona. The fault is named for the community of Hurricane.
The 1992 St. George earthquake (magnitude 5.8), which triggered a damaging landslide, has been attributed to the Hurricane Fault. [3]
References
- ^ a b Amoroso, L. (1 October 2004). "Paleoseismology and Neotectonics of the Shivwits Section of the Hurricane Fault, Northwestern Arizona". Bulletin of the Seismological Society of America. 94 (5): 1919–1942. doi: 10.1785/012003241. Retrieved 20 September 2022.
- ^ "Land Lines: Hurricane Fault". KNAU Arizona Public Radio. 21 June 2012. Retrieved 20 September 2022.
- ^ Stewart, Meg E.; Taylor, Wanda J.; Pearthree, Philip A.; Solomon, Barry J.; Hurlow, Hugh A. (1997). "Neotectonics, fault segmentation, and seismic hazards along the Hurricane fault in Utah and Arizona" (PDF). Brigham Young University Geology Studies. 42: 235–278. Retrieved 14 June 2020.
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