Earthquake · reviewed by a seismologist
M 3.5ml
Earthquake near Odessa, TX
No earthquake was likely felt in Odessa in the 24 hours to 4:00 am CST (10:00 UTC). The last one was M 2.4, 28 km (17 mi) ENE, at 9:37 am CST on 3 November 2026, estimated intensity II (weak) in town; 1 felt report to USGS. Every earthquake near Odessa
This page: a magnitude 3.5 earthquake was recorded 12 km (7 mi) northeast of Odessa, TX, at 11:52 pm CDT on 21 May 2021 (04:52 UTC), 7.6 km deep. 203 people have reported feeling it to USGS.
USGS: 11 km NE of Odessa, Texas
7 km (5 mi) NE of Odessa, TX
- When
- 11:52 pm CDT on 21 May 2021 ()
- Where
- 12 km (7 mi) northeast of Odessa, TX · earthquakes near Odessa
- Texas today
- every earthquake in Texas in the last 24 hours
- Magnitude
- M 3.5 (ml)
- Depth
- 7.6 km below the surface
- Felt
- 203 reports · strongest reported intensity V
- Measured shaking
- intensity IV (ShakeMap)
- Nearest
- Ector County, 25 km WSW
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 1843 days ago
Earthquake alerts for Odessa, TX
Get a notification in this browser when USGS records an earthquake near Odessa, 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 306 km (190 mi) from the epicentre. In Odessa, 12 km away, the estimate is intensity IV (light). 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: Odessa 12 km, intensity IV · Gardendale 14 km, intensity IV · Midland 21 km, intensity III. Estimated for each town centre; each link is that town's own record.
How big was it?
This earthquake released about 2.7 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.5 would have released about 32 times as much.
- Northridge, California 1994 M 6.7 63,000× the energy of this one
- Mineral, Virginia 2011 M 5.8 2,800× the energy of this one
- Magna, Utah 2020 M 5.7 2,000× the energy of this one
- This earthquake M 3.5 about 2.7 tons of TNT
- Around the size people start to feel M 3.0 this one released 5.6× 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 31.9235, -102.2843. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| Ector County, TX | 25 km (16 mi) | WSW | earthquakes near Ector County |
| Midland County, TX | 29 km (18 mi) | ESE | earthquakes near Midland County |
| Martin County, TX | 53 km (33 mi) | NE | earthquakes near Martin County |
| Andrews County, TX | 55 km (34 mi) | NW | earthquakes near Andrews County |
| Crane County, TX | 59 km (37 mi) | SSW | earthquakes near Crane County |
| Upton County, TX | 67 km (42 mi) | SSE | earthquakes near Upton County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
56 earthquakes have been recorded within 50 km since this one.
- 2.1 26 km W of Garden City, Texas
- 2.9 31 km E of McKinney Acres, Texas
- 2.2 31 km E of McKinney Acres, Texas
- 2.2 14 km NNW of Midland, Texas
- 1.7 8 km SE of Midland, Texas
- 1.8 14 km NNW of Midland, Texas
- 1.5 12 km N of Midland, Texas
- 1.6 8 km SE of Midland, Texas
- 2.8 15 km NNW of Midland, Texas
- 2.7 14 km NNW of Midland, Texas
- 1.6 9 km SSE of Gardendale, Texas
- 2.0 15 km NNW of Midland, Texas
- 2.2 18 km NNE of Goldsmith, Texas
- 1.8 9 km SE of Midland, Texas
- 2.7 12 km N of Midland, 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.