EARTHQUAKES · WILSON AREA · TX2023AOCO

Magnitude 2.0 4 km SSW of Falls City, Texas

Sunday, January 8, 2023, 11:11:29 AM Central · 2023-01-08 17:11:29 UTC

A magnitude 2.0 earthquake 4 km SSW of Falls City, Texas on January 8, 2023 at 11:11 AM Central, 5.4 km deep, in the Wilson County area.

It is one of 190 M2+ events located within 10 km of this spot, 3 of them in the thirty days before it; the largest nearby was M4.5.

6 active injection or disposal wells sit within 10 km, the nearest 4.9 km away and operated by Rio-Tex, Inc.; together they hold 69,000 barrels a day of permitted capacity.

1 of the nearby wells report daily to TexNet; they injected 12,460 barrels a day in August 2026.

M2.0
ML, reviewed
5.4
km deep · 17,841 ft
3
M2+ within 10 km, prior 30 days
190
M2+ within 10 km, all time
6
active injection wells within 10 km
525
permitted wells within 10 km

Location

Epicenter
28.9490, -98.0350
County area
Wilson County
On a map
Google Maps ↗
Catalog
USGS event page ↗ · TexNet catalog ↗

Around it in time and space

M2+ events within 10 km, nearest in time first.

WhenMagDistanceDepth
Jan 8, 2023, 7:47 AM2.11 km6.8 km
Jan 8, 2023, 4:20 PM3.11.9 km6.1 km
Jan 8, 2023, 6:12 PM2.11.1 km7.8 km
Jan 9, 2023, 1:53 AM2.41.4 km7.2 km
Jan 7, 2023, 1:56 PM2.10.8 km8.0 km
Jan 7, 2023, 8:39 AM2.00.5 km7.7 km
Jan 24, 2023, 6:09 PM2.47.3 km6.1 km
Feb 4, 2023, 11:15 AM2.69.9 km1.3 km
Nov 4, 2022, 8:48 PM2.82.8 km4.6 km
Nov 3, 2022, 9:10 PM2.73.6 km7.7 km
Nov 3, 2022, 9:09 PM2.74.6 km7.4 km
Nov 3, 2022, 4:25 PM3.04.5 km6.6 km

Largest nearby on record: M4.5 on Feb 17, 2024.

Injection wells within 10 km

RRC UIC MASTER · ACTIVE PERMITS

Proximity is not attribution. The wells are listed because the question is always asked; whether any of them is connected to this event is for the RRC's seismic response review, not this page. 1 of these report daily to TexNet: 12.5K bbl/d in Aug 2026.

WellOperatorUIC no.DistancePermitted, bbl/dInjection zone, ft
Maurer, Boone #2Rio-Tex, Inc.0000926274.9 km5,0004,281–5,006
Hysaw-Hobson #3AJaybird Operating, LLC0000776125.9 km3,0004,007–4,009
Falls City Unit #135Britanco, L.L.C.0000016116.8 km5,0005,530–5,658
Burris SWD #1Goodnight Midstream Permian, LLC0001055997.3 km30,0005,800–6,800
Olinick, Jerome #151Britanco, L.L.C.0000016147.7 km6,0001,600–1,675
Karnes City-Kaleb Brewer #1Goodnight Midstream Permian, LLC0001042189.9 km20,0006,387–7,850

Disposal in Wilson County → · How disposal permits and volumes work →

About this data

Event tx2023aoco from the USGS earthquake catalog, located by TexNet (UT Bureau of Economic Geology) and refreshed daily. Nearby wells from the RRC UIC well master and permit coordinates; daily volumes from the TexNet injection reporting tool.

Developers: this page as JSON is GET /v1/data/earthquakes/tx/events/tx2023aoco, documented in the API reference.