EARTHQUAKES · GONZALES AREA · TX2023JSAA

Magnitude 2.3 20 km SSE of Gonzales, Texas

Thursday, May 18, 2023, 5:16:39 PM Central · 2023-05-18 22:16:39 UTC

A magnitude 2.3 earthquake 20 km SSE of Gonzales, Texas on May 18, 2023 at 5:16 PM Central, 7.1 km deep, in the Gonzales County area.

It is one of 24 M2+ events located within 10 km of this spot, 1 of them in the thirty days before it; the largest nearby was M3.0.

14 active injection or disposal wells sit within 10 km, the nearest 1.9 km away and operated by Evx Operating LLC; together they hold 125,000 barrels a day of permitted capacity.

M2.3
ML, reviewed
7.1
km deep · 23,321 ft
1
M2+ within 10 km, prior 30 days
24
M2+ within 10 km, all time
14
active injection wells within 10 km
455
permitted wells within 10 km

Location

Epicenter
29.3360, -97.3590
County area
Gonzales 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 5, 2023, 6:32 PM2.09.5 km8.5 km
Sep 25, 2023, 2:01 PM2.05 km3.0 km
Dec 28, 2023, 4:39 PM2.09.9 km6.6 km
Dec 29, 2023, 3:10 PM2.39.3 km6.1 km
Dec 29, 2023, 3:45 PM2.210 km6.2 km
Dec 31, 2023, 9:39 PM3.07.9 km3.4 km
Oct 13, 2021, 7:26 PM2.12.6 km7.9 km
Oct 11, 2021, 3:48 PM2.22.9 km7.5 km
Oct 11, 2021, 10:36 AM2.26.2 km7.1 km
Oct 10, 2021, 10:53 PM2.62.9 km8.0 km
Oct 10, 2021, 12:25 PM2.53.3 km3.5 km
Oct 10, 2021, 6:41 AM2.54.3 km7.8 km

Largest nearby on record: M3.0 on Jan 1, 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.

WellOperatorUIC no.DistancePermitted, bbl/dInjection zone, ft
FF Cheapside SWD #2Evx Operating LLC0001047861.9 km25,0005,600–7,500
Bruns Unit #1Ruidoso Resources LLC0001036204.8 km10,0004,620–7,900
Gonzales SWD #1Crosstex Environmental STX, LLC0001037724.8 km25,0005,700–7,350
Zgabay A #6WDevon Energy Production Co, L.P.0001259757.5 km5,00011,715–12,139
Zgabay A #5WDevon Energy Production Co, L.P.0001259747.5 km5,00011,605–12,143
Zgabay A #3WDevon Energy Production Co, L.P.0001259727.6 km5,00011,671–12,112
Zgabay A #2WDevon Energy Production Co, L.P.0001259717.6 km5,00011,732–11,970
Zgabay A #9WDevon Energy Production Co, L.P.0001259828.8 km5,00011,816–12,118
Zgabay A #8WDevon Energy Production Co, L.P.0001259818.8 km5,00011,805–12,130
Beta SWD #2Superior Midstream Services, LLC0001047339.1 km15,0005,200–6,000
Zgabay A #13WDevon Energy Production Co, L.P.0001259859.1 km5,00011,741–12,144
Zgabay A #11WDevon Energy Production Co, L.P.0001259839.1 km5,00011,782–12,096
Zgabay A #12WDevon Energy Production Co, L.P.0001259849.1 km5,00011,776–12,055
Zgabay A #1WDevon Energy Production Co, L.P.0001259809.2 km5,00011,885–12,087

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

About this data

Event tx2023jsaa 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/tx2023jsaa, documented in the API reference.