3.5

M3.5 Earthquake 34 km NNW of Toyah, TexasDecember 30, 2023

2023-12-30 20:28:48 UTC (2023-12-30) · approx. 1:28 PM UTC-7 local

MagnitudeM3.5(ml)
Time20:28 UTC1:28 PM UTC-7
Depth7.7 kmshallow crustal
Coordinates31.594°, -103.953°
Felt byNo felt reports
Status✓ Reviewed by USGS

On December 30, 2023 at 20:28 UTC, a magnitude 3.5 shallow crustal earthquake struck 34 km NNW of Toyah, Texas, at a depth of 7.7 km and coordinates 31.5940°, -103.9530°.

Physical scale: An earthquake of magnitude 3.5 releases seismic energy equivalent to roughly 2.7 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 157 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 31.59°, -103.95°

Earthquake Details

Magnitude
3.5 ml
Depth
7.7 km
shallow crustal
Location
31.5940°N
-103.9530°E

Technical Information

Event ID
tx2023zoue
Event Type
earthquake
Status
✓ Reviewed
Significance
188
Stations Used
29
Azimuthal Gap
55.0°
Min Station Distance
0.100°
RMS Residual
0.10 sec
Last Updated
2024-03-02 21:39:34 UTC

Common Questions

How strong was the magnitude 3.5 earthquake near Toyah, Texas?

The magnitude 3.5 earthquake that struck 34 km NNW of Toyah, Texas on December 30, 2023 at 20:28 UTC had a depth of 7.7 km. For context, this was a minor earthquake typically detected only by instruments.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.5 earthquakes can continue for several days and gradually diminish over time.

Understanding This Data

Magnitude 3.5 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: tx2023zoue). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, December 30, 2023). M3.5 Earthquake 34 km NNW of Toyah, TexasDecember 30, 2023. Retrieved March 2, 2024 from https://www.earthquaketracker.org/earthquakes/event/tx2023zoue/