EARTHQUAKES · WILSON AREA · US2000IW7C

Magnitude 3.2 14 km NE of Falls City, Texas

Friday, December 21, 2018, 11:32:47 PM Central · 2018-12-22 05:32:47 UTC

A magnitude 3.2 earthquake 14 km NE of Falls City, Texas on December 21, 2018 at 11:32 PM Central, 5.0 km deep, in the Wilson County area.

It is one of 147 M2+ events located within 10 km of this spot, 3 of them in the thirty days before it; the largest nearby was M4.6.

4 active injection or disposal wells sit within 10 km, the nearest 5.2 km away and operated by 2 D Oil & Gas LLC; together they hold 76,500 barrels a day of permitted capacity.

5 of the nearby wells report daily to TexNet; they injected 43,416 barrels a day in August 2026.

M3.2
MB_LG, reviewed
5.0
km deep · 16,405 ft
3
M2+ within 10 km, prior 30 days
147
M2+ within 10 km, all time
4
active injection wells within 10 km
662
permitted wells within 10 km

Location

Epicenter
29.0573, -97.8935
County area
Wilson County
On a map
Google Maps ↗
Catalog
USGS event page ↗

Around it in time and space

M2+ events within 10 km, nearest in time first.

WhenMagDistanceDepth
Dec 21, 2018, 11:46 PM2.04.2 km8.0 km
Dec 22, 2018, 1:41 AM3.08.7 km5.0 km
Dec 21, 2018, 8:17 PM3.04.5 km6.8 km
Dec 22, 2018, 3:26 AM2.34.6 km7.1 km
Dec 22, 2018, 11:08 AM2.04.4 km7.4 km
Dec 20, 2018, 12:04 PM2.24.4 km7.2 km
Nov 22, 2018, 6:55 PM2.10.8 km8.3 km
Nov 5, 2018, 3:15 PM2.21 km6.6 km
Nov 3, 2018, 10:00 PM2.87.7 km5.0 km
Nov 3, 2018, 3:32 AM2.31.4 km6.9 km
Nov 2, 2018, 8:02 PM2.31.6 km6.6 km
Feb 16, 2019, 7:33 PM2.47.7 km5.0 km

Largest nearby on record: M4.6 on Jan 30, 2025.

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. 5 of these report daily to TexNet: 43.4K bbl/d in Aug 2026.

WellOperatorUIC no.DistancePermitted, bbl/dInjection zone, ft
Skloss, Emil -SWD- #12 D Oil & Gas LLC0000460645.2 km4,0004,868–4,988
J. P. Wright #1Evx Operating LLC0001092478.6 km20,0005,500–7,200
Karnes SWD #2Estate of James L. Nelson0001168198.9 km12,5005,600–7,300
Karnes SWD #1Crosstex Environmental STX, LLC0001017189.5 km40,0005,400–7,100

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

About this data

Event us2000iw7c from the USGS earthquake catalog, located by the network its id names 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/us2000iw7c, documented in the API reference.