EARTHQUAKES · REEVES AREA · TX2021VIZE

Magnitude 2.0 22 km WSW of Coyanosa, Texas

Sunday, October 31, 2021, 1:03:56 PM Central · 2021-10-31 18:03:56 UTC

A magnitude 2.0 earthquake 22 km WSW of Coyanosa, Texas on October 31, 2021 at 1:03 PM Central, 2.6 km deep, in the Reeves County area.

It is one of 156 M2+ events located within 10 km of this spot, none in the thirty days before it; the largest nearby was M3.6.

15 active injection or disposal wells sit within 10 km, the nearest 1.7 km away and operated by VTX Energy Operating, LLC; together they hold 187,150 barrels a day of permitted capacity.

6 of the nearby wells report daily to TexNet; they injected 29,132 barrels a day in August 2026.

M2.0: ML, reviewed
2.6: km deep · 8,393 ft
0: M2+ within 10 km, prior 30 days
156: M2+ within 10 km, all time
15: active injection wells within 10 km
465: permitted wells within 10 km

Location

Epicenter: 31.1746, -103.2880
County area: Reeves 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.

When	Mag	Distance	Depth
Nov 9, 2021, 3:38 AM	2.5	2.8 km	3.7 km
Nov 9, 2021, 7:36 AM	2.5	1.7 km	3.0 km
Nov 16, 2021, 7:50 AM	2.0	8.6 km	1.7 km
Nov 17, 2021, 6:57 PM	2.4	8.2 km	2.7 km
Nov 18, 2021, 10:18 PM	3.0	2.4 km	3.4 km
Nov 21, 2021, 10:44 PM	2.3	3.4 km	4.0 km
Nov 26, 2021, 8:04 PM	2.0	3.7 km	3.1 km
Nov 28, 2021, 5:03 PM	3.2	2.8 km	2.9 km
Dec 12, 2021, 3:26 PM	2.0	4.6 km	4.6 km
Dec 12, 2021, 9:06 PM	2.6	4.7 km	5.3 km
Dec 18, 2021, 11:56 PM	2.3	3.6 km	4.5 km
Dec 20, 2021, 3:29 AM	2.5	4.1 km	5.7 km

Largest nearby on record: M3.6 on Nov 29, 2020.

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. 6 of these report daily to TexNet: 29.1K bbl/d in Aug 2026.

Well	Operator	UIC no.	Distance	Permitted, bbl/d	Injection zone, ft
WBR 47 #1SW	VTX Energy Operating, LLC	000113869	1.7 km	20,000	5,500–7,500
Lucas 23 #1SW	Waterbridge Texas Operating LLC	000112744	3.7 km	12,000	6,020–6,405
WBR 18 #1SW	VTX Energy Operating, LLC	000113636	4.2 km	20,000	5,500–7,500
Lucas 23 #2SW	Waterbridge Texas Operating LLC	000112745	4.5 km	12,000	5,250–6,900
Chaparral "B" #1	Blue Arrow Operating, LLC	000064608	4.6 km	500	5,221–5,241
Reeves TXL Fee T8-50-9 #2SW	Chevron U. S. A. Inc.	000112683	4.9 km	25,000	5,000–6,470
Reeves -O- Fee #5W	Chevron U. S. A. Inc.	000020524	5.9 km	250	5,137–5,166
Reeves TXL Fee T8-50-5 #2SW	Chevron U. S. A. Inc.	000116173	6.1 km	15,000	5,211–6,460
Gillespie #1	Vaquero Operating	000081262	6.2 km	5,000	5,350–5,990
Pecos Southeast SWD #1	Select Water Solutions, LLC	000105699	6.3 km	15,000	5,450–6,850
Hippo 22 #1SW	VTX Energy Operating, LLC	000105012	6.5 km	20,000	5,850–6,500
Red Horse "29" #1W	Shenandoah Petroleum Corporation	000098328	6.6 km	1,500	5,250–5,392
VJ Ranch-Sable "25" #1SW	Waterbridge Texas Operating LLC	000104414	6.6 km	20,000	5,100–6,470
Reeves 'AH' Fee #1W	Select Water Solutions, LLC	000110268	6.6 km	20,000	5,350–6,900
Young, J. B., Etal #5	McDonnold Operating, Inc.	000093862	6.7 km	900	5,168–5,184

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

About this data

Event tx2021vize 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/tx2021vize, documented in the API reference.