M4.0 Earthquake 1 km NW of Cooter, Missouri — April 23, 2026
2026-04-23 17:59:04 UTC (5 hours ago)
Felt by 771 people across surrounding communities. Maximum shaking intensity MMI 4.0 (moderate).
On April 23, 2026 at 17:59 UTC, a magnitude 4.0 shallow crustal earthquake struck 1 km NW of Cooter, Missouri, at a depth of 11.8 km and coordinates 36.0553°, -89.8255°. The earthquake was reported felt by 771 peopleacross surrounding communities, with a maximum shaking intensity of Modified Mercalli Intensity (MMI) 4.0 (moderate). The USGS PAGER system issued a green alert level for this event, indicating no significant casualties or damage expected. This earthquake was detected by 62 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 578, placing it among routine seismic activity. The nearest populated place is Caruthersville (population 5,606).
Nearest Populated Places
What the Shaking Felt Like
At MMI 4.0 (moderate), people in the most strongly affected areas would have experienced: Mild shaking, similar to a passing truck. Hanging objects swing. Glasses and dishes may rattle. Not commonly felt outdoors.
Earthquake Details
-89.8255°E
Technical Information
Common Questions
How strong was the magnitude 4.0 earthquake near Cooter, Missouri?
The magnitude 4.0 earthquake that struck 1 km NW of Cooter, Missouri on April 23, 2026 at 17:59 UTC had a depth of 11.8 km. It was felt by 771 people with maximum shaking intensity of MMI 4.0 (moderate). For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 36.0553°, -89.8255°, which is 1 km NW of Cooter, Missouri. The nearest populated place is Caruthersville (population 5,606).
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.0 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.