EARTHQUAKES · MARTIN AREA · TX2024SPBR

Magnitude 2.9 34 km WSW of Ackerly, Texas

Saturday, September 21, 2024, 4:27:00 AM Central · 2024-09-21 09:27:00 UTC

A magnitude 2.9 earthquake 34 km WSW of Ackerly, Texas on September 21, 2024 at 4:27 AM Central, 8.1 km deep, in the Martin County area.

It is one of 236 M2+ events located within 10 km of this spot, 19 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 4.2 km away and operated by Deep Blue Operating I LLC; together they hold 330,000 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.

M2.9: ML, reviewed
8.1: km deep · 26,434 ft
19: M2+ within 10 km, prior 30 days
236: M2+ within 10 km, all time
15: active injection wells within 10 km
1,093: permitted wells within 10 km

Location

Epicenter: 32.4110, -102.0620
County area: Martin 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 21, 2024, 4:25 AM	2.7	0.7 km	5.9 km
Sep 20, 2024, 2:17 AM	2.5	0.8 km	8.7 km
Sep 19, 2024, 5:09 PM	2.1	0.3 km	8.6 km
Sep 22, 2024, 7:49 PM	2.0	0.4 km	8.7 km
Sep 19, 2024, 11:42 AM	2.0	0.6 km	8.8 km
Sep 23, 2024, 5:14 AM	2.9	1.3 km	8.5 km
Sep 18, 2024, 3:42 AM	2.0	1.2 km	7.7 km
Sep 17, 2024, 5:22 AM	2.3	1.4 km	8.2 km
Sep 17, 2024, 12:46 AM	2.9	1.7 km	8.5 km
Sep 16, 2024, 9:07 PM	2.0	1.7 km	8.8 km
Sep 16, 2024, 7:53 PM	2.9	0.9 km	6.9 km
Sep 16, 2024, 7:49 PM	5.1	0.5 km	6.1 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
Jones-Holton SWD #2WD	Deep Blue Operating I LLC	000105567	4.2 km	20,000	4,200–5,700
Jones-Holton D #5D	Deep Blue Operating I LLC	000116521	4.4 km	40,000	11,000–14,000
Corsica SWD 2 #2	Stonehill Martin, LLC	000126090	4.5 km	20,000	4,200–5,228
Breedlove Ursa #2D	Deep Blue Operating I LLC	000124651	5.6 km	30,000	3,988–5,308
Jones-Holton SWD #1WD	Deep Blue Operating I LLC	000105527	6.5 km	20,000	4,200–5,632
Jones-Holton D #4D	Deep Blue Operating I LLC	000112642	6.9 km	20,000	11,000–14,000
Jones-Holton SWD #25D	Deep Blue Operating I LLC	000112375	7.1 km	20,000	4,200–5,600
Capri SWD #2	Stonehill Martin, LLC	000125986	7.8 km	20,000	4,350–5,700
Breedlove, F. D., -B- #49	Ovintiv USA Inc.	000105121	8 km	10,000	11,745–12,675
Breedlove, F. D., -B- #47	Ovintiv USA Inc.	000099895	8.2 km	10,000	11,242–12,617
Capri SWD #1	Stonehill Martin, LLC	000118229	8.5 km	30,000	4,500–5,680
Jones-Holton SWD #3D	Deep Blue Operating I LLC	000112565	8.6 km	30,000	4,200–6,000
O'Neal #1D	Diamondback E&P LLC	000010722	8.6 km	10,000	4,250–4,800
Hecker #1D	Deep Blue Operating I LLC	000113942	9 km	20,000	11,000–14,000
Cox 11 SWD #1	Ovintiv USA Inc.	000103581	9.1 km	30,000	4,600–5,204

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

About this data

Event tx2024spbr 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/tx2024spbr, documented in the API reference.