Utah earthquakes

M1.5 earthquake 8 km N of Helper, Utah

A magnitude 1.5 earthquake struck 8 km N of Helper, Utah on Mon, Sep 7, 2020, 1:38 AM MDT (07:38 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.3 8 km ENE of Kenilworth, Utah. This one was a foreshock.

Helper forecastMore in Utah

Map

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

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The earthquake

Magnitude
1.5 (Md, duration), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2020-09-07 07:38:42 UTC
Depth
1.8 km (1.1 mi), shallow
Epicenter
39.758° N, 110.847° 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 1.6 km horizontally, 13.6 km in depth
Magnitude uncertainty
±0.18
Depth from
Operator assigned
Station coverage gap
171°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 1.910 km NW of Fairview, Utah · 2218 days ago · 7 km deep · 58 km away
  2. 1.74 km SE of Sunnyside, Utah · 2217 days ago · 2 km deep · 50 km away
  3. 1.822 km SE of Sunnyside, Utah · 2212 days ago · -3 km deep · 67 km away
  4. 1.920 km ESE of Mapleton, Utah · 2212 days ago · 8 km deep · 55 km away
  5. 1.69 km NW of Emery, Utah · 2198 days ago · -3 km deep · 97 km away
  6. 1.918 km WNW of Emery, Utah · 2194 days ago · 1 km deep · 98 km away
  7. 3.38 km ENE of Kenilworth, Utah · 2181 days ago · -3 km deep · 13 km away · felt by 3
  8. 1.77 km E of Kenilworth, Utah · 2181 days ago · -2 km deep · 12 km away
  9. 1.57 km ENE of Kenilworth, Utah · 2181 days ago · -2 km deep · 12 km away
  10. 1.712 km NW of Emery, Utah · 2181 days ago · -1 km deep · 97 km away
  11. 2.58 km ENE of Kenilworth, Utah · 2181 days ago · -2 km deep · 12 km away
  12. 1.96 km ENE of Kenilworth, Utah · 2181 days ago · -2 km deep · 12 km away
  13. 1.87 km ENE of Kenilworth, Utah · 2174 days ago · -2 km deep · 12 km away
  14. 1.719 km NW of East Carbon City, Utah · 2172 days ago · -3 km deep · 25 km away
  15. 1.914 km WNW of Emery, Utah · 2171 days ago · -1 km deep · 99 km away
  16. 2.18 km NW of Helper, UT · 2169 days ago · -3 km deep · 5 km away
  17. 1.614 km SSE of Sunnyside, Utah · 2163 days ago · 0 km deep · 58 km away
  18. 1.513 km SSE of Sunnyside, Utah · 2162 days ago · 6 km deep · 57 km away

Before

  1. 1.59 km NW of Helper, Utah · 2225 days ago · 2 km deep · 6 km away · felt by 1
  2. 1.68 km NNW of Helper, Utah · 2227 days ago · 2 km deep · 3 km away
  3. 1.63 km N of Scofield, Utah · 2237 days ago · 4 km deep · 27 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60408472. Read Mon, Oct 5, 2026, 8:42 AM UTC.