EARTHQUAKES · MIDLAND AREA · TX2021GLCB

Magnitude 2.3 12 km NNW of Midland, Texas

Friday, April 2, 2021, 5:45:31 AM Central · 2021-04-02 10:45:31 UTC

A magnitude 2.3 earthquake 12 km NNW of Midland, Texas on April 2, 2021 at 5:45 AM Central, 7.4 km deep, in the Midland County area.

It is one of 145 M2+ events located within 10 km of this spot, 2 of them in the thirty days before it; the largest nearby was M5.2.

15 active injection or disposal wells sit within 10 km, the nearest 2.2 km away and operated by Occidental Permian Ltd.; together they hold 130,499 barrels a day of permitted capacity.

24 of the nearby wells report daily to TexNet; they injected 50,243 barrels a day in September 2026.

M2.3
ML, reviewed
7.4
km deep · 24,312 ft
2
M2+ within 10 km, prior 30 days
145
M2+ within 10 km, all time
15
active injection wells within 10 km
1,121
permitted wells within 10 km

Location

Epicenter
32.1085, -102.1193
County area
Midland 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.

WhenMagDistanceDepth
Apr 2, 2021, 5:43 AM2.91.4 km6.8 km
Apr 2, 2021, 6:33 AM2.50.7 km6.6 km
Apr 2, 2021, 12:37 AM2.30.4 km7.0 km
Apr 3, 2021, 8:59 PM2.41.8 km9.2 km
Apr 3, 2021, 10:13 PM2.20.2 km8.5 km
Apr 4, 2021, 7:59 PM2.10.8 km7.4 km
Apr 8, 2021, 9:06 AM2.31.4 km8.3 km
Apr 9, 2021, 9:21 PM2.63.8 km6.5 km
Apr 16, 2021, 3:16 AM2.24.1 km7.3 km
Apr 16, 2021, 11:34 PM2.44.2 km7.2 km
Apr 19, 2021, 4:12 AM2.44 km7.2 km
Apr 30, 2021, 5:15 AM3.22.1 km7.0 km

Largest nearby on record: M5.2 on Dec 16, 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. 24 of these report daily to TexNet: 50.2K bbl/d in Sep 2026.

WellOperatorUIC no.DistancePermitted, bbl/dInjection zone, ft
South Curtis Ranch #404Occidental Permian Ltd.0001080212.2 km10,0004,750–6,100
South Curtis Ranch #2130WDOccidental Permian Ltd.0001095303.1 km10,0004,650–5,400
South Curtis Ranch #1026WDOccidental Permian Ltd.0001096493.6 km10,0004,650–6,000
South Curtis Ranch #1416DOccidental Permian Ltd.0001037663.6 km10,0004,700–5,600
South Curtis Ranch #2820IOccidental Permian Ltd.0001153963.9 km5,0009,193–9,760
South Curtis Ranch #2817IOccidental Permian Ltd.0001163053.9 km5,0009,295–9,777
South Curtis Ranch #2819IOccidental Permian Ltd.0001153954 km5,0009,198–9,773
South Curtis Ranch #2818IOccidental Permian Ltd.0001153944.1 km5,0009,199–9,761
George W. Glass -24- #1DCivitas Permian Operating, LLC0000892074.3 km1,5004,750–5,200
South Curtis Ranch #2224IOccidental Permian Ltd.0001163044.4 km5,0009,098–9,765
Glass -J- #2DPioneer Natural Res. USA, Inc.0000642254.4 km5,0004,400–5,800
South Curtis Ranch #2223IOccidental Permian Ltd.0001163034.4 km5,0008,999–9,709
South Curtis Ranch #2221IOccidental Permian Ltd.0001150834.5 km5,0009,700–15,940
Kirby #1DDeep Blue Operating I LLC0001191594.7 km24,9994,460–5,620
Johnson Ranch #16SWCOG Operating LLC0001165595.2 km24,0004,899–5,629

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

About this data

Event tx2021glcb 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/tx2021glcb, documented in the API reference.