M4.8 earthquake 14 km SSW of Falls City, Texas
A magnitude 4.8 earthquake struck 14 km SSW of Falls City, Texas on Thu, Oct 20, 2011, 7:24 AM CDT (12:24 UTC), 5 km (3 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mwr), light
- Local time
- UTC
- 2011-10-20 12:24:41 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 28.865° N, 98.079° W
- Region
- Texas
- Felt reports
- 1,473
- Strongest shaking
- VI, strong 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
- VI, strong shaking
- Map
- Automatic

Did you feel it?
1,473 people reported to the USGS what they felt; the strongest reported shaking was VI, strong shaking.

Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Normal
- Nodal plane 1
- Strike 39°, dip 44°, rake -118°
- Nodal plane 2
- Strike 255°, dip 52°, rake -66°
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
- Station coverage gap
- 31°
- Stations used
- 220
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayTexas earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000j9kx (also filed as usb0006alu, atlas20111020122441). Read Tue, Sep 22, 2026, 9:58 AM UTC.