M2.3 earthquake 32 km S of Saint George, Utah
A magnitude 2.3 earthquake struck 32 km S of Saint George, Utah on Tue, Aug 24, 2021, 6:36 AM MDT (12:36 UTC), 9 km (5 mi) below the surface.
A larger quake followed: M2.8 37 km SSE of Kaibab, Arizona. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.3 (ML, local (Richter)), micro
- Magnitude from
- University of Utah Seismograph Stations
- Local time
- UTC
- 2021-08-24 12:36:23 UTC
- Depth
- 8.6 km (5.3 mi), shallow
- Epicenter
- 36.814° N, 113.519° W
- Region
- Utah
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 1.1 km horizontally, 1.5 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 187°, poorly surrounded by stations
- Stations used
- 11
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 6 in the 30 days before it.
After
- 1.713 km SSE of Kanarraville, Utah · 1856 days ago · 8 km deep · 77 km away
- 2.24 km E of New Harmony, Utah · 1854 days ago · 2 km deep · 78 km away
- 1.623 km WNW of Veyo, Utah · 1848 days ago · 7 km deep · 78 km away
- 2.010 km SE of New Harmony, Utah · 1843 days ago · 13 km deep · 72 km away · felt by 2
- 1.64 km NNE of Saint George, Utah · 1841 days ago · 7 km deep · 36 km away
- 2.837 km SSE of Kaibab, Arizona · 1838 days ago · 18 km deep · 91 km away · felt by 2
- 1.527 km SSE of Saint George, Utah · 1824 days ago · 19 km deep · 7 km away
- 1.711 km ENE of Hildale, Utah · 1819 days ago · 8 km deep · 65 km away
Before
- 1.57 km ESE of Kanarraville, Utah · 1871 days ago · 12 km deep · 87 km away
- 1.932 km WSW of Enterprise, Utah · 1872 days ago · 12 km deep · 92 km away
- 1.88 km ENE of Kanarraville, Utah · 1876 days ago · 0 km deep · 93 km away
- 2.26 km E of Washington, Utah · 1885 days ago · 13 km deep · 36 km away
- 3.163 km W of Supai, Arizona · 1886 days ago · 5 km deep · 60 km away
- 2.122 km SSE of Moapa Valley, Nevada · 1893 days ago · 3 km deep · 91 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uu60454657. Read Sat, Oct 3, 2026, 4:05 PM UTC.