EARTHQUAKES · LIVE OAK AREA · TX2018ZKPR

Magnitude 2.1 16 km NNW of Pawnee, Texas

Friday, December 28, 2018, 7:40:46 AM Central · 2018-12-28 13:40:46 UTC

A magnitude 2.1 earthquake 16 km NNW of Pawnee, Texas on December 28, 2018 at 7:40 AM Central, 7.2 km deep, in the Live Oak County area.

It is one of 23 M2+ events located within 10 km of this spot, none in the thirty days before it; the largest nearby was M3.6.

6 active injection or disposal wells sit within 10 km, the nearest 1.2 km away and operated by Crosstex Environmental STX, LLC; together they hold 105,000 barrels a day of permitted capacity.

1 of the nearby wells report daily to TexNet; they injected 829 barrels a day in August 2026.

M2.1
ML, reviewed
7.2
km deep · 23,704 ft
0
M2+ within 10 km, prior 30 days
23
M2+ within 10 km, all time
6
active injection wells within 10 km
668
permitted wells within 10 km

Location

Epicenter
28.7910, -98.0770
County area
Live Oak 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
Jun 2, 2018, 12:46 AM3.02.4 km5.0 km
Feb 12, 2018, 4:09 AM2.58.1 km5.0 km
Jan 16, 2018, 6:30 AM2.98.3 km13.1 km
Jan 6, 2018, 9:37 AM3.67.7 km5.0 km
Apr 3, 2021, 2:00 PM2.19.9 km6.8 km
Apr 16, 2022, 9:27 AM2.17.8 km7.5 km
Apr 16, 2022, 7:45 PM3.09.1 km9.4 km
Apr 17, 2022, 12:00 AM2.68.8 km9.5 km
Apr 17, 2022, 3:01 AM2.59.8 km3.1 km
Apr 17, 2022, 2:25 PM2.79.4 km7.7 km
Apr 18, 2022, 3:41 AM2.38.6 km8.6 km
Apr 19, 2022, 10:18 AM2.09.5 km8.4 km

Largest nearby on record: M3.6 on Jan 6, 2018.

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. 1 of these report daily to TexNet: 829 bbl/d in Aug 2026.

WellOperatorUIC no.DistancePermitted, bbl/dInjection zone, ft
Nor-Tex SWD #1Crosstex Environmental STX, LLC0001049521.2 km25,0006,200–7,500
FF Fashing SWD #1AEvx Operating LLC0001057137 km25,0006,000–6,600
Atascosa SWD #3Milestone Enviro Services, LLC0001245167.5 km10,0005,850–6,800
Atascosa SWD #2Milestone Enviro Services, LLC0001140077.5 km10,0005,850–6,800
Schumann et al Gas Unit 3 SWD #2XTO Energy Inc.0001044038.3 km10,0006,030–6,550
Richter,h. E. #2J & D Logistics Inc0000813229.1 km25,0006,304–6,560

Disposal in Live Oak County → · How disposal permits and volumes work →

About this data

Event tx2018zkpr 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/tx2018zkpr, documented in the API reference.