Earthquake · reviewed by a seismologist
M 3.1mb_lg
Earthquake near Snyder, TX
No earthquake was likely felt in Snyder in the 24 hours to 10:07 am CST (16:07 UTC). The last one was M 2.9, 44 km (28 mi) SSW, at 6:28 pm CST on 8 November 2026, estimated intensity II (weak) in town. Every earthquake near Snyder
This page: a magnitude 3.1 earthquake was recorded 21 km (13 mi) north of Snyder, TX, at 9:21 am CDT on 28 October 2018 (14:21 UTC), 4.9 km deep. 4 people have reported feeling it to USGS.
USGS: 20 km N of Snyder, Texas
- When
- 9:21 am CDT on 28 October 2018 ()
- Where
- 21 km (13 mi) north of Snyder, TX · earthquakes near Snyder
- Texas today
- every earthquake in Texas in the last 24 hours
- Magnitude
- M 3.1 (mb_lg)
- Depth
- 4.9 km below the surface
- Felt
- 4 reports · strongest reported intensity III
- Nearest
- Scurry County, 18 km S
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 2864 days ago
Earthquake alerts for Snyder, TX
Get a notification in this browser when USGS records an earthquake near Snyder, TX. No account or email needed.
Alerts are on for .
Not a warning. An alert comes after USGS publishes a quake, usually minutes after the shaking. For early warning use ShakeAlert, through your phone's Wireless Emergency Alerts or the MyShake app.
This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.
At this magnitude and depth, people at rest would likely notice it out to about 128 km (80 mi) from the epicentre. In Snyder, 21 km away, the estimate is intensity III (weak). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.
Likely felt in: Snyder 21 km, intensity III · Rotan 42 km, intensity III. Estimated for each town centre; each link is that town's own record.
How big was it?
This earthquake released about 1,300 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.1 would have released about 32 times as much.
- Northridge, California 1994 M 6.7 250,000× the energy of this one
- Mineral, Virginia 2011 M 5.8 11,000× the energy of this one
- Magna, Utah 2020 M 5.7 7,900× the energy of this one
- This earthquake M 3.1 about 1,300 lb of TNT
- Around the size people start to feel M 3.0 this one released 1.4× more
Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.
For this area
No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.
Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.
Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.
Where
Epicentre 32.9043, -100.9065. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| Scurry County, TX | 18 km (11 mi) | S | earthquakes near Scurry County |
| Kent County, TX | 34 km (21 mi) | NNE | earthquakes near Kent County |
| Garza County, TX | 48 km (30 mi) | NW | earthquakes near Garza County |
| Fisher County, TX | 50 km (31 mi) | ESE | earthquakes near Fisher County |
| Borden County, TX | 53 km (33 mi) | WSW | earthquakes near Borden County |
| Mitchell County, TX | 67 km (41 mi) | S | earthquakes near Mitchell County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
60 earthquakes have been recorded within 50 km since this one.
- 2.0 11 km NNE of Hermleigh, Texas
- 2.1 11 km NE of Hermleigh, Texas
- 1.6 14 km N of Snyder, Texas
- 3.1 18 km NNW of Snyder, Texas
- 2.3 11 km NE of Hermleigh, Texas
- 1.6 24 km N of Snyder, Texas
- 1.5 18 km NNE of Hermleigh, Texas
- 1.7 18 km NNE of Hermleigh, Texas
- 2.0 11 km NE of Hermleigh, Texas
- 1.7 11 km NE of Hermleigh, Texas
- 2.0 11 km NE of Hermleigh, Texas
- 1.7 11 km NE of Hermleigh, Texas
- 2.1 10 km NE of Hermleigh, Texas
- 2.6 13 km NE of Hermleigh, Texas
- 1.6 11 km NNE of Hermleigh, Texas
Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.
On USGS
- The official USGS event page — the source of record for every value above
- Did you feel it? Report it to USGS — reports go to USGS, not to us
- ShakeMap for this event, when USGS has produced one
QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.