EARTHQUAKES · REEVES AREA · US1000AVEU

Magnitude 3.3 26 km WSW of Coyanosa, Texas

Saturday, October 21, 2017, 9:53:14 PM Central · 2017-10-22 02:53:14 UTC

A magnitude 3.3 earthquake 26 km WSW of Coyanosa, Texas on October 21, 2017 at 9:53 PM Central, 5.0 km deep, in the Reeves County area.

It is one of 122 M2+ events located within 10 km of this spot, 4 of them in the thirty days before it; the largest nearby was M3.6.

15 active injection or disposal wells sit within 10 km, the nearest 1.3 km away and operated by Chevron U. S. A. Inc.; together they hold 220,150 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.

M3.3
MB_LG, reviewed
5.0
km deep · 16,405 ft
4
M2+ within 10 km, prior 30 days
122
M2+ within 10 km, all time
15
active injection wells within 10 km
458
permitted wells within 10 km

Location

Epicenter
31.1785, -103.3354
County area
Reeves County
On a map
Google Maps ↗
Catalog
USGS event page ↗

Around it in time and space

M2+ events within 10 km, nearest in time first.

WhenMagDistanceDepth
Oct 21, 2017, 8:57 PM2.72.2 km5.0 km
Oct 21, 2017, 4:50 PM3.14.9 km1.2 km
Oct 24, 2017, 6:54 PM2.62.9 km5.0 km
Nov 10, 2017, 8:44 AM3.03.1 km1.1 km
Sep 27, 2017, 5:57 AM2.65.4 km5.0 km
Sep 27, 2017, 4:15 AM3.07 km5.0 km
Sep 14, 2017, 3:11 PM3.24 km5.0 km
Sep 3, 2017, 1:27 AM3.16.9 km5.0 km
Sep 3, 2017, 1:24 AM2.76.4 km5.0 km
Dec 15, 2017, 3:53 AM3.36.8 km5.0 km
Dec 18, 2017, 10:59 PM2.59.6 km5.0 km
Aug 23, 2017, 9:12 PM3.05.2 km1.9 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.

WellOperatorUIC no.DistancePermitted, bbl/dInjection zone, ft
Reeves -O- Fee #5WChevron U. S. A. Inc.0000205241.3 km2505,137–5,166
Reeves TXL Fee T8-50-5 #2SWChevron U. S. A. Inc.0001161731.7 km15,0005,211–6,460
Reeves TXL Fee T8-50-9 #2SWChevron U. S. A. Inc.0001126832 km25,0005,000–6,470
Young, J. B., Etal #5McDonnold Operating, Inc.0000938622.1 km9005,168–5,184
Reeves TXL Fee T8-50-7 #1SWChevron U. S. A. Inc.0001162393.2 km25,0005,170–7,100
Ginger Grant #1WDPermian Resources Operating, LLC0001099344.1 km20,0005,000–6,500
WBR 47 #1SWVTX Energy Operating, LLC0001138694.3 km20,0005,500–7,500
Pecos Southeast SWD #1Select Water Solutions, LLC0001056994.4 km15,0005,450–6,850
Hightower State SWD #1CR Field Services, LLC0001160994.4 km10,0005,100–6,600
Reeves 'AH' Fee #1WSelect Water Solutions, LLC0001102684.6 km20,0005,350–6,900
Maryann #1Permian Resources Operating, LLC0001043525.7 km20,0004,500–6,500
Gillespie #1Vaquero Operating0000812626 km5,0005,350–5,990
Lucas 23 #1SWWaterbridge Texas Operating LLC0001127446.1 km12,0006,020–6,405
Panhead #1WDPermian Resources Operating, LLC0001098166.4 km20,0005,000–6,500
Lucas 23 #2SWWaterbridge Texas Operating LLC0001127456.6 km12,0005,250–6,900

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

About this data

Event us1000aveu from the USGS earthquake catalog, located by the network its id names 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/us1000aveu, documented in the API reference.