EARTHQUAKES · WILSON AREA · US1000E94B

Magnitude 2.4 19 km SSW of Nixon, Texas

Sunday, May 20, 2018, 12:41:35 PM Central · 2018-05-20 17:41:35 UTC

A magnitude 2.4 earthquake 19 km SSW of Nixon, Texas on May 20, 2018 at 12:41 PM Central, 5.0 km deep, in the Wilson County area.

It is one of 129 M2+ events located within 10 km of this spot, 1 of them in the thirty days before it; the largest nearby was M4.6.

7 active injection or disposal wells sit within 10 km, the nearest 4.3 km away and operated by Evx Operating LLC; together they hold 172,500 barrels a day of permitted capacity.

5 of the nearby wells report daily to TexNet; they injected 51,974 barrels a day in August 2026.

M2.4
MB_LG, reviewed
5.0
km deep · 16,405 ft
1
M2+ within 10 km, prior 30 days
129
M2+ within 10 km, all time
7
active injection wells within 10 km
628
permitted wells within 10 km

Location

Epicenter
29.0998, -97.8160
County area
Wilson County
On a map
Google Maps ↗
Catalog
USGS event page ↗

Around it in time and space

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

WhenMagDistanceDepth
Apr 29, 2018, 11:59 AM2.75.5 km5.0 km
Jun 13, 2018, 10:18 AM2.56.8 km2.8 km
Jun 13, 2018, 11:02 AM2.17.4 km1.8 km
Jun 30, 2018, 7:35 PM2.49.8 km6.0 km
Jul 20, 2018, 5:42 AM2.58.2 km5.0 km
Mar 13, 2018, 3:35 AM2.67.9 km5.0 km
Mar 12, 2018, 9:16 AM2.03.1 km2.4 km
Mar 12, 2018, 4:44 AM2.73.3 km2.2 km
Aug 1, 2018, 9:23 AM2.14 km2.6 km
Aug 2, 2018, 3:20 PM2.61.9 km5.0 km
Nov 2, 2018, 8:02 PM2.38.8 km6.6 km
Nov 3, 2018, 3:32 AM2.38.1 km6.9 km

Largest nearby on record: M4.6 on Jan 30, 2025.

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. 5 of these report daily to TexNet: 52K bbl/d in Aug 2026.

WellOperatorUIC no.DistancePermitted, bbl/dInjection zone, ft
Gillett SWD #1Evx Operating LLC0001051694.3 km20,0008,950–11,950
Karnes SWD #1Crosstex Environmental STX, LLC0001017184.5 km40,0005,400–7,100
Karnes SWD #1Pilot Water Solutions SWD LLC0001040275.4 km25,0005,400–7,100
Kerlick #1Evx Operating LLC0001045065.8 km17,5005,695–5,710
J. P. Wright #1Evx Operating LLC0001092476.5 km20,0005,500–7,200
Brooks #1Evx Operating LLC0001134727.4 km25,0008,200–9,100
Lamza SWD #1Goodnight Midstream Permian, LLC0001035338.7 km25,0005,000–8,000

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

About this data

Event us1000e94b from the USGS earthquake catalog, located by the network its id names 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/us1000e94b, documented in the API reference.