Texas earthquakes

M2.1 earthquake 12 km W of Rotan, Texas

A magnitude 2.1 earthquake struck 12 km W of Rotan, Texas on Tue, Sep 21, 2021, 11:26 AM CDT (16:26 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.7 18 km NNE of Hermleigh, Texas. This one was a foreshock.

Rotan 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
2.1 (ml), micro
Local time
UTC
2021-09-21 16:26:46 UTC
Depth
9.7 km (6.0 mi), shallow
Epicenter
32.833° N, 100.592° 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 1.4 km horizontally, 3.0 km in depth
Magnitude uncertainty
±0.10
Station coverage gap
79°
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: 6 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.217 km NNE of Hermleigh, Texas · 1830 days ago · 9 km deep · 10 km away
  2. 2.411 km WSW of Rotan, Texas · 1816 days ago · 10 km deep · 1 km away
  3. 2.210 km NNE of Hermleigh, Texas · 1814 days ago · 7 km deep · 16 km away
  4. 2.318 km NNE of Hermleigh, Texas · 1799 days ago · 8 km deep · 9 km away
  5. 2.718 km NNE of Hermleigh, Texas · 1796 days ago · 1 km deep · 9 km away
  6. 2.117 km NNE of Hermleigh, Texas · 1781 days ago · 8 km deep · 9 km away

Before

  1. 1.88 km WSW of Westbrook, Texas · 1831 days ago · 7 km deep · 74 km away
  2. 2.417 km NNE of Hermleigh, Texas · 1839 days ago · 8 km deep · 9 km away · felt by 2
  3. 2.716 km NNE of Hermleigh, Texas · 1839 days ago · 3 km deep · 13 km away · felt by 1
  4. 3.617 km NNE of Hermleigh, Texas · 1839 days ago · 8 km deep · 10 km away · felt by 18
  5. 2.416 km NNE of Hermleigh, Texas · 1840 days ago · 9 km deep · 10 km away
  6. 2.617 km NNE of Hermleigh, Texas · 1840 days ago · 6 km deep · 10 km away
  7. 2.618 km NE of Hermleigh, Texas · 1844 days ago · 8 km deep · 9 km away
  8. 1.612 km NE of Hermleigh, Texas · 1847 days ago · 8 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event tx2021sntw. Read Fri, Sep 25, 2026, 8:00 PM UTC.