4.1

M4.1 Earthquake 20 km SSW of Nueva Sesecapa, MexicoAugust 28, 2026

2026-08-28 22:30:32 UTC (4 hours ago) · approx. 4:30 PM UTC-6 local

MagnitudeM4.1(mb)
Time22:30 UTC4:30 PM UTC-6
Depth84.7 kmintermediate depth
Coordinates15.237°, -92.916°
Felt byNo felt reports
Status✓ Reviewed by USGS

On August 28, 2026 at 22:30 UTC, a magnitude 4.1 intermediate depth earthquake struck 20 km SSW of Nueva Sesecapa, Mexico, at a depth of 84.7 km and coordinates 15.2370°, -92.9163°.

Physical scale: An earthquake of magnitude 4.1 releases seismic energy equivalent to roughly 21 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 406 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 15.24°, -92.92°

Earthquake Details

Magnitude
4.1 mb
Depth
84.7 km
intermediate depth
Location
15.2370°N
-92.9163°E

Technical Information

Event ID
us7000tcqc
Event Type
earthquake
Status
✓ Reviewed
Significance
259
Stations Used
24
Azimuthal Gap
205.0°
Min Station Distance
1.282°
RMS Residual
0.81 sec
Last Updated
2026-08-29 01:29:28 UTC

Common Questions

How strong was the magnitude 4.1 earthquake near Nueva Sesecapa, Mexico?

The magnitude 4.1 earthquake that struck 20 km SSW of Nueva Sesecapa, Mexico on August 28, 2026 at 22:30 UTC had a depth of 84.7 km. For context, this was a light earthquake commonly felt near the epicenter.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.1 earthquakes can continue for several days and gradually diminish over time.

Understanding This Data

Magnitude 4.1 earthquakes are often felt but rarely cause damage.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us7000tcqc). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, August 28, 2026). M4.1 Earthquake 20 km SSW of Nueva Sesecapa, MexicoAugust 28, 2026. Retrieved August 29, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000tcqc/