1992 St. George earthquake
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  Salt Lake City  | |
| UTC time | 1992-09-02 10:26 |
|---|---|
| ISC event | 271074 |
| USGS-ANSS | ComCat |
| Local date | September 2, 1992 |
| Local time | 04:26 a.m. MDT |
| Magnitude | 5.8 Mw |
| Depth | 13.9 km (8.6 mi) |
| Epicenter | 37°06′00″N 113°29′49″W / 37.1°N 113.497°W |
| Fault | Hurricane Fault |
| Areas affected | Utah, southern Nevada, northwest Arizona |
| Total damage | US$1 million |
| Max. intensity | MMI VII (Very strong) |
| Peak acceleration | 0.233 g |
| Peak velocity | 2.998 cm/s |
| Casualties | None |
The 1992 St. George earthquake was a Mw5.8 earthquake that occurred on September 2, 1992 at approximately 4:26 AM MDT along the Washington Fault zone near the larger Hurricane Fault about 5 miles (8.0 km) southeast of St. George in Utah, United States. The quake triggered a landslide that destroyed three houses and caused approximately US$1 million in structural and cosmetic damage to houses, roads, natural formations, and utilities. No people were killed by the quake.
Magnitude
At 4:26 AM MDT on September 2, 1992, a magnitude 5.8 earthquake occurred along the Washington Fault zone near the larger Hurricane Fault about 5 miles (8.0 km) southeast of St. George in Utah, United States.[1]
Reports on the magnitude of the earthquake vary.[1][2][3] The University of Utah reported the quake as a Mw5.8 in their official report via the Intermountain Seismic Belt Historical Earthquake Project,[4] which is supported by a 1994 news article from the Deseret News[5] and an official report from the Utah Geological Survey.[6] A contemporaneous report from the journal Arizona Geology reported Mw5.5 from the University of Arizona and Mw5.9 from the USGS.[1]