EARTHQUAKES · GONZALES AREA · TX2021TWBP

Magnitude 2.2 18 km SSE of Gonzales, Texas

Sunday, October 10, 2021, 5:58:03 AM Central · 2021-10-10 10:58:03 UTC

A magnitude 2.2 earthquake 18 km SSE of Gonzales, Texas on October 10, 2021 at 5:58 AM Central, 5.5 km deep, in the Gonzales County area.

It is one of 25 M2+ events located within 10 km of this spot, none in the thirty days before it; the largest nearby was M3.0.

7 active injection or disposal wells sit within 10 km, the nearest 2.6 km away and operated by Evx Operating LLC; together they hold 80,000 barrels a day of permitted capacity.

M2.2
ML, reviewed
5.5
km deep · 18,061 ft
0
M2+ within 10 km, prior 30 days
25
M2+ within 10 km, all time
7
active injection wells within 10 km
447
permitted wells within 10 km

Location

Epicenter
29.3500, -97.3730
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
Oct 10, 2021, 6:41 AM2.52.7 km7.8 km
Oct 10, 2021, 12:25 PM2.51.4 km3.5 km
Oct 10, 2021, 10:53 PM2.60.9 km8.0 km
Oct 11, 2021, 10:36 AM2.24.3 km7.1 km
Oct 11, 2021, 3:48 PM2.20.8 km7.5 km
Oct 13, 2021, 7:26 PM2.10.9 km7.9 km
May 5, 2023, 6:32 PM2.08.6 km8.5 km
May 18, 2023, 5:16 PM2.32.1 km7.1 km
Sep 25, 2023, 2:01 PM2.02.9 km3.0 km
Dec 28, 2023, 9:44 AM2.59.1 km7.8 km
Dec 28, 2023, 4:39 PM2.08.8 km6.6 km
Dec 29, 2023, 3:10 PM2.38.4 km6.1 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 LLC0001047862.6 km25,0005,600–7,500
Gonzales SWD #1Crosstex Environmental STX, LLC0001037725.2 km25,0005,700–7,350
Bruns Unit #1Ruidoso Resources LLC0001036205.6 km10,0004,620–7,900
Zgabay A #6WDevon Energy Production Co, L.P.0001259758.5 km5,00011,715–12,139
Zgabay A #5WDevon Energy Production Co, L.P.0001259748.5 km5,00011,605–12,143
Zgabay A #3WDevon Energy Production Co, L.P.0001259728.5 km5,00011,671–12,112
Zgabay A #2WDevon Energy Production Co, L.P.0001259718.5 km5,00011,732–11,970

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

About this data

Event tx2021twbp 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/tx2021twbp, documented in the API reference.