EARTHQUAKES · DAWSON AREA · TX2021LTPD

Magnitude 3.1 34 km WSW of Ackerly, Texas

Thursday, June 17, 2021, 1:07:40 AM Central · 2021-06-17 06:07:40 UTC

A magnitude 3.1 earthquake 34 km WSW of Ackerly, Texas on June 17, 2021 at 1:07 AM Central, 11.9 km deep, in the Dawson County area.

It is one of 237 M2+ events located within 10 km of this spot, 1 of them in the thirty days before it; the largest nearby was M5.1.

15 active injection or disposal wells sit within 10 km, the nearest 4.7 km away and operated by Stonehill Martin, LLC; together they hold 310,000 barrels a day of permitted capacity.

26 of the nearby wells report daily to TexNet; they injected 168,159 barrels a day in August 2026.

M3.1: ML, reviewed
11.9: km deep · 39,075 ft
1: M2+ within 10 km, prior 30 days
237: M2+ within 10 km, all time
15: active injection wells within 10 km
913: permitted wells within 10 km

Location

Epicenter: 32.4271, -102.0657
County area: Dawson 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
Jun 16, 2021, 5:06 AM	3.1	0.9 km	7.7 km
Jun 28, 2021, 3:01 AM	2.7	0.9 km	10.7 km
Jul 16, 2021, 7:51 AM	2.8	7.7 km	5.3 km
Jul 24, 2021, 11:44 PM	2.0	0.8 km	11.4 km
Aug 23, 2021, 3:26 PM	2.3	7 km	10.5 km
Sep 24, 2021, 5:56 PM	2.3	4.9 km	8.9 km
Feb 18, 2021, 6:20 AM	2.1	7.3 km	6.2 km
Feb 14, 2021, 11:37 PM	2.2	7.5 km	4.8 km
Oct 24, 2021, 6:29 PM	2.0	3.8 km	12.3 km
Oct 31, 2021, 6:00 PM	2.1	5.2 km	9.7 km
Nov 4, 2021, 4:53 PM	2.1	4.7 km	13.1 km
Nov 6, 2021, 1:50 PM	2.4	6.5 km	7.8 km

Largest nearby on record: M5.1 on Sep 17, 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. 26 of these report daily to TexNet: 168K bbl/d in Aug 2026.

Well	Operator	UIC no.	Distance	Permitted, bbl/d	Injection zone, ft
Corsica SWD 2 #2	Stonehill Martin, LLC	000126090	4.7 km	20,000	4,200–5,228
Breedlove Ursa #2D	Deep Blue Operating I LLC	000124651	5.1 km	30,000	3,988–5,308
Jones-Holton SWD #2WD	Deep Blue Operating I LLC	000105567	5.6 km	20,000	4,200–5,700
Jones-Holton D #5D	Deep Blue Operating I LLC	000116521	5.9 km	40,000	11,000–14,000
Breedlove, F. D., -B- #49	Ovintiv USA Inc.	000105121	6.3 km	10,000	11,745–12,675
Breedlove, F. D., -B- #47	Ovintiv USA Inc.	000099895	6.5 km	10,000	11,242–12,617
O'Neal #1D	Diamondback E&P LLC	000010722	7 km	10,000	4,250–4,800
Breedlove, F. D., -B- #24D	Ovintiv USA Inc.	000010717	7.4 km	10,000	10,910–12,424
Jones-Holton SWD #1WD	Deep Blue Operating I LLC	000105527	8.1 km	20,000	4,200–5,632
Jones-Holton D #4D	Deep Blue Operating I LLC	000112642	8.5 km	20,000	11,000–14,000
Jones-Holton SWD #25D	Deep Blue Operating I LLC	000112375	8.8 km	20,000	4,200–5,600
Capri SWD #2	Stonehill Martin, LLC	000125986	8.9 km	20,000	4,350–5,700
Cox 11 SWD #1	Ovintiv USA Inc.	000103581	9 km	30,000	4,600–5,204
Golden Tornadoes SWD #1	Deep Blue Operating I LLC	000115975	9 km	30,000	12,380–13,965
Pinotage SWD #1	Deep Blue Operating I LLC	000106281	9.2 km	20,000	5,550–6,175

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

About this data

Event tx2021ltpd 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/tx2021ltpd, documented in the API reference.