Texas earthquakes

M3.7 earthquake 14 km ENE of Gardendale, Texas

A magnitude 3.7 earthquake struck 14 km ENE of Gardendale, Texas on Wed, Dec 15, 2021, 10:33 PM CST (04:33 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.6 17 km N of Stanton, Texas. This one was a foreshock.

Gardendale 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
3.7 (ml), minor
Local time
UTC
2021-12-16 04:33:27 UTC
Depth
10.3 km (6.4 mi), shallow
Epicenter
32.065° N, 102.239° W
Region
Texas
Felt reports
152
Strongest shaking
V, moderate shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
V, moderate shaking
Peak ground acceleration
5.2% of gravity
Peak ground velocity
-0.2 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

152 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Strike-slip
Moment magnitude
3.6 Mwr
Nodal plane 1
Strike 99°, dip 80°, rake -1°
Nodal plane 2
Strike 189°, dip 89°, rake -170°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.4 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.20
Station coverage gap
57°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 66 in the 60 days after this one and 20 in the 30 days before it.

After

The first 60 of 66.

Before

Earthquakes todayTexas earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event tx2021ynzp (also filed as us6000gcnl). Read Thu, Sep 24, 2026, 3:13 AM UTC.