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Event status: highly uncertain [?]

Reported quake or seismic-like event: 108 mi south of Salt Lake City, Salt Lake County, Utah, USA, Tuesday, Dec 21, 2021 at 3:29 pm (GMT -7) -

Reported quake or seismic-like event: 108 mi south of Salt Lake City, Salt Lake County, Utah, USA, Tuesday, Dec 21, 2021 at 3:29 pm (GMT -7) Reported quake or seismic-like event: 108 mi south of Salt Lake City, Salt Lake County, Utah, USA, Tuesday, Dec 21, 2021 at 3:29 pm (GMT -7)
21 Dec 22:33 UTC: First to report: VolcanoDiscovery after 4 minutes.

Earthquake details

Date & timeDec 21, 2021 22:29:57 UTC -
Local time at epicenterTuesday, Dec 21, 2021 at 3:29 pm (GMT -7)
Statushighly uncertain
Magnitudeunknown
Depth10.0 km
Epicenter latitude / longitude39.28301°N / 112.56593°W (Salt Lake, Utah, United States)
Antipode39.283°S / 67.434°E
Shaking intensityWeak shaking
Felt3 reports
Primary data sourceVolcanoDiscovery (User-reported shaking)
Nearest volcanoBlack Rock Desert (200 km / 124 mi)
Nearby towns and cities152 km (95 mi) SSW of South Jordan (pop: 66,600) | Show on map | Quakes nearby
157 km (97 mi) SSW of Sandy (pop: 87,500) | Show on map | Quakes nearby
157 km (98 mi) SSW of West Jordan (pop: 111,900) | Show on map | Quakes nearby
161 km (100 mi) SSW of Kearns (Salt Lake County) (pop: 35,700) | Show on map | Quakes nearby
163 km (101 mi) SSW of Taylorsville (pop: 60,500) | Show on map | Quakes nearby
164 km (102 mi) SSW of West Valley City (pop: 136,200) | Show on map | Quakes nearby
164 km (102 mi) SSW of Murray (pop: 49,300) | Show on map | Quakes nearby
167 km (104 mi) SSW of Millcreek (pop: 62,100) | Show on map | Quakes nearby
174 km (108 mi) SSW of Salt Lake City (pop: 192,700) | Show on map | Quakes nearby
183 km (114 mi) SSW of North Salt Lake (Davis County) (pop: 19,800) | Show on map | Quakes nearby
Weather at epicenter at time of quakeHaze 3.9°C (39 F), humidity: 59%, wind: 1 m/s (3 kts) from NW
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User reports for this quake (3)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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washington utah (253.2 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 10-15 s : heard crackling in house structure and slight shaking  
West Balley Coty, Utah (168.4 km NNE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / very short
St george utah / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : Laying on the couch sideways & felt the couch & floor moving. I’m on the 4th floor of the hotel  
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