EARTHQUAKES · WILSON AREA · TX2018ILHD

Magnitude 2.5 1 km ESE of Falls City, Texas

Monday, April 30, 2018, 7:23:34 PM Central · 2018-05-01 00:23:34 UTC

A magnitude 2.5 earthquake 1 km ESE of Falls City, Texas on April 30, 2018 at 7:23 PM Central, 2.7 km deep, in the Wilson County area.

It is one of 179 M2+ events located within 10 km of this spot, 1 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 km away and operated by Britanco, L.L.C.; together they hold 56,500 barrels a day of permitted capacity.

2 of the nearby wells report daily to TexNet; they injected 16,354 barrels a day in August 2026.

M2.5
ML, reviewed
2.7
km deep · 8,746 ft
1
M2+ within 10 km, prior 30 days
179
M2+ within 10 km, all time
6
active injection wells within 10 km
555
permitted wells within 10 km

Location

Epicenter
28.9750, -97.9990
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
May 1, 2018, 11:28 AM4.03.1 km5.0 km
Apr 26, 2018, 1:49 PM3.18.4 km5.0 km
Jun 11, 2018, 3:27 PM2.38.1 km6.6 km
Jun 30, 2018, 9:46 PM2.09.9 km7.4 km
Feb 19, 2018, 4:04 PM3.05.8 km5.0 km
Feb 12, 2018, 8:24 AM3.18.7 km5.0 km
Feb 12, 2018, 6:33 AM2.25.6 km6.9 km
Jul 20, 2018, 12:53 AM2.09.6 km8.9 km
Nov 14, 2017, 9:24 AM2.85.1 km5.0 km
Nov 3, 2018, 10:00 PM2.89.5 km5.0 km
Dec 20, 2018, 12:04 PM2.29.6 km7.2 km
Dec 21, 2018, 8:17 PM3.09.3 km6.8 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. 2 of these report daily to TexNet: 16.4K bbl/d in Aug 2026.

WellOperatorUIC no.DistancePermitted, bbl/dInjection zone, ft
Falls City Unit #135Britanco, L.L.C.0000016114 km5,0005,530–5,658
Olinick, Jerome #151Britanco, L.L.C.0000016144.2 km6,0001,600–1,675
Karnes SWD #2Estate of James L. Nelson0001168197.5 km12,5005,600–7,300
Maurer, Boone #2Rio-Tex, Inc.0000926277.8 km5,0004,281–5,006
Hysaw-Hobson #3AJaybird Operating, LLC0000776129.1 km3,0004,007–4,009
Falls City SWD #1Pilot Water Solutions SWD LLC0001021469.4 km25,0006,500–7,500

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

About this data

Event tx2018ilhd 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/tx2018ilhd, documented in the API reference.