Texas earthquakes

M2.3 earthquake 22 km ENE of Alpine, Texas

A magnitude 2.3 earthquake struck 22 km ENE of Alpine, Texas on Wed, Sep 1, 2021, 5:06 PM CDT (22:06 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M3.1 19 km E of Balmorhea, Texas. This one was a foreshock.

Alpine forecastMore in Texas

Map

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

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The earthquake

Magnitude
2.3 (ml), micro
Local time
UTC
2021-09-01 22:06:24 UTC
Depth
14.0 km (8.7 mi), shallow
Epicenter
30.401° N, 103.430° W
Region
Texas
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 1.7 km horizontally, 1.5 km in depth
Magnitude uncertainty
±0.10
Station coverage gap
80°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 1.822 km NW of Marathon, Texas · 1851 days ago · 16 km deep · 5 km away
  2. 3.119 km E of Balmorhea, Texas · 1848 days ago · 5 km deep · 66 km away
  3. 1.733 km SSW of Coyanosa, Texas · 1847 days ago · 3 km deep · 67 km away
  4. 1.816 km SSE of Lindsay, Texas · 1845 days ago · 5 km deep · 92 km away
  5. 2.633 km ESE of Balmorhea, Texas · 1845 days ago · 4 km deep · 56 km away
  6. 2.728 km E of Balmorhea, Texas · 1836 days ago · 4 km deep · 62 km away
  7. 2.431 km SW of Coyanosa, Texas · 1819 days ago · 6 km deep · 73 km away
  8. 1.921 km SSE of Lindsay, Texas · 1814 days ago · 3 km deep · 87 km away
  9. 2.027 km SSE of Lindsay, Texas · 1807 days ago · 4 km deep · 83 km away
  10. 2.115 km SE of Lindsay, Texas · 1796 days ago · 1 km deep · 98 km away
  11. 1.922 km WSW of Coyanosa, Texas · 1791 days ago · 3 km deep · 87 km away
  12. 2.022 km WSW of Coyanosa, Texas · 1791 days ago · 3 km deep · 87 km away

Before

  1. 1.917 km ENE of Balmorhea, Texas · 1854 days ago · 4 km deep · 70 km away
  2. 2.010 km S of Lindsay, Texas · 1855 days ago · 5 km deep · 98 km away
  3. 1.626 km WSW of Coyanosa, Texas · 1856 days ago · 3 km deep · 81 km away
  4. 2.231 km SW of Coyanosa, Texas · 1859 days ago · 5 km deep · 75 km away
  5. 2.132 km SW of Coyanosa, Texas · 1859 days ago · 4 km deep · 74 km away
  6. 2.033 km E of Balmorhea, Texas · 1862 days ago · 4 km deep · 64 km away
  7. 2.133 km E of Balmorhea, Texas · 1863 days ago · 4 km deep · 62 km away
  8. 2.119 km NNE of Balmorhea, Texas · 1865 days ago · 5 km deep · 83 km away
  9. 2.036 km E of Balmorhea, Texas · 1870 days ago · 3 km deep · 61 km away
  10. 1.832 km SW of Coyanosa, Texas · 1871 days ago · 3 km deep · 72 km away
  11. 1.934 km SW of Coyanosa, Texas · 1871 days ago · 5 km deep · 69 km away
  12. 2.931 km SW of Coyanosa, Texas · 1871 days ago · 1 km deep · 72 km away
  13. 1.823 km ESE of Balmorhea, Texas · 1874 days ago · 4 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event tx2021rdqz. Read Sat, Sep 26, 2026, 11:56 AM UTC.