Utah earthquakes

M1.7 earthquake 13 km SSE of Sunnyside, Utah

A magnitude 1.7 earthquake struck 13 km SSE of Sunnyside, Utah on Tue, Dec 29, 2020, 10:16 AM MST (17:16 UTC), -2 km (-1 mi) below the surface.

A larger quake followed: M2.7 37 km ENE of Thompson Springs, Utah. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.7 (Md, duration), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2020-12-29 17:16:06 UTC
Depth
-1.9 km (-1.2 mi), shallow
Epicenter
39.436° N, 110.324° 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 0.8 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
168°
Stations used
9

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 1.818 km WSW of Hiawatha, Utah · 2090 days ago · 2 km deep · 77 km away
  2. 1.515 km SSE of Sunnyside, Utah · 2088 days ago · -1 km deep · 1 km away
  3. 1.715 km SSE of Sunnyside, Utah · 2081 days ago · -2 km deep · 2 km away
  4. 1.815 km SSE of Sunnyside, Utah · 2077 days ago · -2 km deep · 2 km away
  5. 1.615 km SSE of Sunnyside, Utah · 2076 days ago · -2 km deep · 2 km away
  6. 1.6Utah · 2075 days ago · -2 km deep · 2 km away
  7. 1.715 km SSE of Sunnyside, Utah · 2075 days ago · -2 km deep · 2 km away
  8. 1.815 km SSE of Sunnyside, Utah · 2074 days ago · -2 km deep · 1 km away
  9. 1.915 km SSE of Sunnyside, Utah · 2074 days ago · -1 km deep · 1 km away
  10. 2.737 km ENE of Thompson Springs, Utah · 2057 days ago · 6 km deep · 97 km away
  11. 1.615 km SSE of Sunnyside, Utah · 2056 days ago · -3 km deep · 2 km away
  12. 1.517 km SSE of Sunnyside, Utah · 2053 days ago · -3 km deep · 4 km away
  13. 2.38 km ENE of Kenilworth, Utah · 2045 days ago · -3 km deep · 45 km away
  14. 1.67 km ENE of Kenilworth, Utah · 2045 days ago · -3 km deep · 45 km away
  15. 1.715 km SSE of Sunnyside, Utah · 2045 days ago · -2 km deep · 2 km away

Before

  1. 1.614 km SSE of Sunnyside, Utah · 2112 days ago · -1 km deep · 1 km away
  2. 2.417 km ESE of Castle Dale, Utah · 2116 days ago · 18 km deep · 56 km away · felt by 2
  3. 1.85 km ENE of Kenilworth, Utah · 2122 days ago · -3 km deep · 47 km away
  4. 1.55 km ENE of Kenilworth, Utah · 2125 days ago · -3 km deep · 47 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60423007. Read Fri, Oct 2, 2026, 7:16 PM UTC.