EARTHQUAKES · GONZALES AREA · TX2023OCMK

Magnitude 2.1 14 km E of Smiley, Texas

Thursday, July 20, 2023, 9:02:42 AM Central · 2023-07-20 14:02:42 UTC

A magnitude 2.1 earthquake 14 km E of Smiley, Texas on July 20, 2023 at 9:02 AM Central, 7.1 km deep, in the Gonzales County area.

It is one of 73 M2+ events located within 10 km of this spot, 3 of them in the thirty days before it; the largest nearby was M3.5.

9 active injection or disposal wells sit within 10 km, the nearest 4.3 km away and operated by CWR Management LLC; together they hold 130,000 barrels a day of permitted capacity.

M2.1
ML, reviewed
7.1
km deep · 23,366 ft
3
M2+ within 10 km, prior 30 days
73
M2+ within 10 km, all time
9
active injection wells within 10 km
394
permitted wells within 10 km

Location

Epicenter
29.2860, -97.4920
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
Jul 21, 2023, 9:18 PM2.61.2 km7.2 km
Jul 21, 2023, 10:27 PM2.00.8 km8.5 km
Jul 22, 2023, 8:16 AM2.00.7 km8.0 km
Jul 12, 2023, 9:39 PM2.30.4 km6.2 km
Jul 12, 2023, 5:04 PM2.00.4 km8.1 km
Jul 11, 2023, 9:10 AM2.31.3 km9.1 km
Aug 2, 2023, 7:12 AM2.21.4 km5.9 km
Aug 27, 2023, 5:51 PM2.08.2 km6.6 km
May 5, 2023, 6:32 PM2.05.4 km8.5 km
Dec 28, 2023, 9:44 AM2.55.2 km7.8 km
Dec 28, 2023, 4:39 PM2.05.7 km6.6 km
Dec 29, 2023, 3:10 PM2.35.5 km6.1 km

Largest nearby on record: M3.5 on Oct 30, 2022.

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
TE Pilgrim SWD #2CWR Management LLC0001060354.3 km25,00010,400–12,500
R. D. Tucker Unit #1Trisun Energy Services LLC0001055588 km15,0004,870–6,282
Westhoff SWD #1Evx Operating LLC0001054268.1 km20,0004,920–6,680
Zgabay A #2WDevon Energy Production Co, L.P.0001259719.5 km5,00011,732–11,970
Zgabay A #3WDevon Energy Production Co, L.P.0001259729.5 km5,00011,671–12,112
Zgabay A #5WDevon Energy Production Co, L.P.0001259749.5 km5,00011,605–12,143
Zgabay A #6WDevon Energy Production Co, L.P.0001259759.5 km5,00011,715–12,139
Gonzales SWD #1Crosstex Environmental STX, LLC0001037729.6 km25,0005,700–7,350
District Westhoff SWD #1Advantek Eagleford LLC00010868410 km25,0004,300–8,300

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

About this data

Event tx2023ocmk 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/tx2023ocmk, documented in the API reference.