3.3

M3.3 Earthquake 20 km N of Maeser, UtahOctober 8, 2024

2024-10-08 21:18:39 UTC (2024-10-08) · approx. 2:18 PM UTC-7 local

MagnitudeM3.3(ml)
Time21:18 UTC2:18 PM UTC-7
Depth0.0 kmshallow crustal
Coordinates40.658°, -109.583°
Felt byNo felt reports
Status✓ Reviewed by USGS

On October 8, 2024 at 21:18 UTC, a magnitude 3.3 shallow crustal earthquake struck 20 km N of Maeser, Utah, at a depth of 0.0 km and coordinates 40.6585°, -109.5829°.

Physical scale: An earthquake of magnitude 3.3 releases seismic energy equivalent to roughly 1.3 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 114 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 40.66°, -109.58°

Earthquake Details

Magnitude
3.3 ml
Depth
0.0 km
shallow crustal
Location
40.6585°N
-109.5829°E

Technical Information

Event ID
us6000nxed
Event Type
mining explosion
Status
✓ Reviewed
Significance
168
Stations Used
31
Azimuthal Gap
158.0°
Min Station Distance
0.819°
RMS Residual
0.85 sec
Last Updated
2024-12-23 15:46:08 UTC

Common Questions

How strong was the magnitude 3.3 earthquake near Maeser, Utah?

The magnitude 3.3 earthquake that struck 20 km N of Maeser, Utah on October 8, 2024 at 21:18 UTC had a depth of 0.0 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 3.3 earthquakes can continue for several days and gradually diminish over time.

Understanding This Data

Magnitude 3.3 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us6000nxed). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2024, October 8, 2024). M3.3 Earthquake 20 km N of Maeser, UtahOctober 8, 2024. Retrieved December 23, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000nxed/