M2.9 Earthquake 14 km SSW of Williamsville, Missouri — June 30, 2026
2026-06-30 03:41:27 UTC (4 days ago) · approx. 9:41 PM UTC-6 local
Felt by 23 people across nearby locations.
On June 30, 2026 at 03:41 UTC, a magnitude 2.9 shallow crustal earthquake struck 14 km SSW of Williamsville, Missouri, at a depth of 1.6 km and coordinates 36.8528°, -90.6107°. This earthquake was detected by 58 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 140, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 2.9 releases seismic energy equivalent to roughly 374 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 63 m — a useful intuition for the size of the slip patch on the fault.
Did You Feel It? — community-reported shaking
Aggregated felt-report intensity from 23 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.
Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report
Earthquake Details
-90.6107°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 2.9 earthquake near Williamsville, Missouri?
The magnitude 2.9 earthquake that struck 14 km SSW of Williamsville, Missouri on June 30, 2026 at 03:41 UTC had a depth of 1.6 km. For context, this was a minor earthquake typically detected only by instruments.
Where did the earthquake occur?
The earthquake epicenter was located at 36.8528°, -90.6107°, which is 14 km SSW of Williamsville, Missouri.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 2.9 earthquakes can continue for several days and gradually diminish over time.
What should I do after an earthquake?
If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.
Authoritative source: USGS event page (event ID: nm60623971). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, June 30, 2026). M2.9 Earthquake 14 km SSW of Williamsville, Missouri — June 30, 2026. Retrieved July 1, 2026 from https://www.earthquaketracker.org/earthquakes/event/nm60623971/