EARTHQUAKES · KARNES AREA · TX2022IVVM

Magnitude 2.2 18 km S of Nixon, Texas

Friday, May 6, 2022, 1:59:59 PM Central · 2022-05-06 18:59:59 UTC

A magnitude 2.2 earthquake 18 km S of Nixon, Texas on May 6, 2022 at 1:59 PM Central, 8.6 km deep, in the Karnes County area.

It is one of 90 M2+ events located within 10 km of this spot, 6 of them in the thirty days before it; the largest nearby was M3.5.

8 active injection or disposal wells sit within 10 km, the nearest 5 km away and operated by Evx Operating LLC; together they hold 180,000 barrels a day of permitted capacity.

4 of the nearby wells report daily to TexNet; they injected 27,990 barrels a day in August 2026.

M2.2
ML, reviewed
8.6
km deep · 28,223 ft
6
M2+ within 10 km, prior 30 days
90
M2+ within 10 km, all time
8
active injection wells within 10 km
787
permitted wells within 10 km

Location

Epicenter
29.1040, -97.7530
County area
Karnes 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 6, 2022, 1:35 PM2.01.9 km8.3 km
May 6, 2022, 10:40 AM2.10.3 km9.6 km
May 6, 2022, 8:22 AM2.10.8 km8.5 km
May 5, 2022, 5:00 PM2.11.1 km8.0 km
May 5, 2022, 4:07 PM2.00.2 km7.8 km
May 4, 2022, 10:23 AM2.20.5 km7.5 km
May 13, 2022, 11:53 AM2.00.6 km8.2 km
Apr 4, 2022, 10:07 PM2.37.5 km7.1 km
Apr 4, 2022, 12:56 PM2.49 km7.3 km
Jun 17, 2022, 6:20 PM2.50.6 km8.1 km
Jul 23, 2021, 10:31 AM2.03.4 km6.5 km
Jul 22, 2021, 7:50 AM2.63.7 km7.4 km

Largest nearby on record: M3.5 on Jan 31, 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. 4 of these report daily to TexNet: 28K bbl/d in Aug 2026.

WellOperatorUIC no.DistancePermitted, bbl/dInjection zone, ft
Kerlick #1Evx Operating LLC0001045065 km17,5005,695–5,710
Gillett SWD #1Evx Operating LLC0001051695.2 km20,0008,950–11,950
Karnes SWD #1Crosstex Environmental STX, LLC0001017186.2 km40,0005,400–7,100
Karnes SWD #1Pilot Water Solutions SWD LLC0001040276.3 km25,0005,400–7,100
Lamza SWD #1Goodnight Midstream Permian, LLC0001035336.9 km25,0005,000–8,000
Henning #2Pilot Water Solutions SWD LLC0001151297 km25,0005,300–7,950
J. P. Wright #1Evx Operating LLC0001092478.6 km20,0005,500–7,200
Wilke SWD #1Mid River Midstream LLC00007650110 km7,5005,000–5,484

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

About this data

Event tx2022ivvm 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/tx2022ivvm, documented in the API reference.