EARTHQUAKES · HOWARD AREA · TX2021UATA

Magnitude 2.2 6 km S of Ackerly, Texas

Tuesday, October 12, 2021, 7:19:26 PM Central · 2021-10-13 00:19:26 UTC

A magnitude 2.2 earthquake 6 km S of Ackerly, Texas on October 12, 2021 at 7:19 PM Central, 10.3 km deep, in the Howard County area.

It is one of 27 M2+ events located within 10 km of this spot, 2 of them in the thirty days before it; the largest nearby was M3.4.

15 active injection or disposal wells sit within 10 km, the nearest 2.2 km away and operated by DKL Water Gathering Permian, LLC; together they hold 390,000 barrels a day of permitted capacity.

28 of the nearby wells report daily to TexNet; they injected 277,287 barrels a day in August 2026.

M2.2: ML, reviewed
10.3: km deep · 33,940 ft
2: M2+ within 10 km, prior 30 days
27: M2+ within 10 km, all time
15: active injection wells within 10 km
1,198: permitted wells within 10 km

Location

Epicenter: 32.4655, -101.7162
County area: Howard 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
Sep 24, 2021, 2:28 PM	3.3	5.8 km	10.6 km
Sep 17, 2021, 4:07 PM	2.1	9.6 km	10.1 km
Jun 11, 2021, 6:09 PM	2.4	6.1 km	8.7 km
May 26, 2021, 8:53 AM	2.4	4.7 km	7.4 km
Mar 14, 2022, 9:59 PM	2.1	4.6 km	4.7 km
Apr 25, 2022, 10:25 PM	2.1	4.6 km	7.7 km
Aug 9, 2022, 7:02 AM	2.7	5.3 km	9.7 km
Oct 28, 2022, 4:08 PM	3.4	4.8 km	7.6 km
Oct 30, 2022, 7:42 AM	2.4	5 km	6.4 km
Jan 30, 2023, 12:55 AM	2.6	4.5 km	8.9 km
Feb 15, 2023, 8:35 AM	2.0	4.8 km	8.1 km
Feb 15, 2023, 8:55 AM	2.1	4.8 km	9.2 km

Largest nearby on record: M3.4 on Oct 28, 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. 28 of these report daily to TexNet: 277K bbl/d in Aug 2026.

Well	Operator	UIC no.	Distance	Permitted, bbl/d	Injection zone, ft
Atlantic SWD #1	DKL Water Gathering Permian, LLC	000114289	2.2 km	30,000	3,334–4,567
Triton SWD #1	SM Energy Company	000119416	2.7 km	50,000	10,600–12,120
Ackerly SWD #1	Deep Blue Operating I LLC	000125831	4 km	20,000	3,550–4,400
Johnson, DC Disposal #202	Aqua Terra Permian, LLC	000070434	4.3 km	10,000	3,723–4,600
Diamondback-Smith SWD #1	Deep Blue Operating I LLC	000114753	4.5 km	30,000	3,180–4,900
Blagrave SWD 5 #1	Aqua Terra Permian, LLC	000115943	4.7 km	40,000	10,600–12,000
Diamondback-Smith #2D	Deep Blue Operating I LLC	000117855	4.7 km	30,000	10,600–12,000
Arrowhead 3 #1	Deep Blue Operating I LLC	000084950	5.2 km	10,000	3,607–6,700
Shortes, L. O. #1D	Deep Blue Operating I LLC	000075355	5.2 km	5,000	4,392–5,026
Nini SWD #1	Deep Blue Operating I LLC	000126713	5.4 km	30,000	3,576–4,752
Iden 31 SWD #1D	Apache Corporation	000119831	5.8 km	35,000	10,965–13,000
Ackerly '15' #1WD	Deep Blue North LLC	000118894	5.9 km	30,000	4,000–4,600
Ranch Water 24 SWD #1	Ovintiv USA Inc.	000116531	6.2 km	25,000	3,560–4,300
Davis 17 SWD #1	Deep Blue North LLC	000126766	6.4 km	30,000	4,140–4,910
Gilbert, G. Wright. Jr. Estate #1	Select Water Solutions, LLC	000067994	6.4 km	15,000	9,350–9,650

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

About this data

Event tx2021uata 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/tx2021uata, documented in the API reference.