EARTHQUAKES · REEVES AREA · US2000A9ZT

Magnitude 2.8 23 km SW of Coyanosa, Texas

Sunday, August 20, 2017, 3:48:34 PM Central · 2017-08-20 20:48:34 UTC

A magnitude 2.8 earthquake 23 km SW of Coyanosa, Texas on August 20, 2017 at 3:48 PM Central, 5.0 km deep, in the Reeves County area.

It is one of 195 M2+ events located within 10 km of this spot, 2 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 2.2 km away and operated by Rattler Midstream Operating LLC; together they hold 216,000 barrels a day of permitted capacity.

3 of the nearby wells report daily to TexNet; they injected 24,535 barrels a day in August 2026.

M2.8
MB_LG, reviewed
5.0
km deep · 16,405 ft
2
M2+ within 10 km, prior 30 days
195
M2+ within 10 km, all time
15
active injection wells within 10 km
324
permitted wells within 10 km

Location

Epicenter
31.1194, -103.2693
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
Aug 20, 2017, 3:54 PM2.83.8 km5.0 km
Aug 21, 2017, 4:44 AM2.81.4 km4.1 km
Aug 17, 2017, 3:42 PM2.74.8 km5.0 km
Sep 3, 2017, 1:24 AM2.75.1 km5.0 km
Sep 3, 2017, 1:27 AM3.16 km5.0 km
Aug 4, 2017, 12:05 PM2.84.6 km2.8 km
Sep 14, 2017, 3:11 PM3.26 km5.0 km
Sep 26, 2017, 11:09 PM2.86.4 km5.0 km
Sep 27, 2017, 4:15 AM3.03.2 km5.0 km
Sep 27, 2017, 4:16 AM2.88.6 km5.0 km
Sep 27, 2017, 5:57 AM2.65.7 km5.0 km
Oct 21, 2017, 4:50 PM3.14.2 km1.2 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. 3 of these report daily to TexNet: 24.5K bbl/d in Aug 2026.

WellOperatorUIC no.DistancePermitted, bbl/dInjection zone, ft
Lindsay #1DRattler Midstream Operating LLC0001188802.2 km10,0006,000–8,100
Red Horse "29" #1WShenandoah Petroleum Corporation0000983282.2 km1,5005,250–5,392
Lucas 23 #2SWWaterbridge Texas Operating LLC0001127452.5 km12,0005,250–6,900
WBR 18 #1SWVTX Energy Operating, LLC0001136362.8 km20,0005,500–7,500
Lucas 23 #1SWWaterbridge Texas Operating LLC0001127443.1 km12,0006,020–6,405
Coyote 48 #2SWWaterbridge Texas Operating LLC0001109254 km20,0005,250–6,900
Coyote 48 #1SWWaterbridge Texas Operating LLC0001078654.4 km15,0005,250–6,900
Hawg SWD #1Waterbridge Texas Operating LLC0001059294.6 km20,0005,200–8,000
Coyote 48 #3SWWaterbridge Texas Operating LLC0001109264.9 km20,0005,250–6,900
Gillespie #1Vaquero Operating0000812624.9 km5,0005,350–5,990
Chaparral "B" #1Blue Arrow Operating, LLC0000646085 km5005,221–5,241
Belle SWD #1Waterbridge Texas Operating LLC0001144316.5 km15,0005,360–6,860
Zauk 39 #1SWRattler Midstream Operating LLC0001122787 km20,0005,350–8,000
Reeves TXL Fee T8-50-9 #2SWChevron U. S. A. Inc.0001126837.9 km25,0005,000–6,470
WBR 47 #1SWVTX Energy Operating, LLC0001138698.1 km20,0005,500–7,500

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

About this data

Event us2000a9zt 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/us2000a9zt, documented in the API reference.