M4.1 Earthquake 52 km WSW of Carahue, Chile — October 28, 2026
2026-10-28 17:38:43 UTC (4 hours ago) · approx. 12:38 PM UTC-5 local
On October 28, 2026 at 17:38 UTC, a magnitude 4.1 shallow crustal earthquake struck 52 km WSW of Carahue, Chile, at a depth of 32.0 km and coordinates -38.8719°, -73.7251°.
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.
Earthquake Details
-73.7251°E
Technical Information
Common Questions
How strong was the magnitude 4.1 earthquake near Carahue, Chile?
The magnitude 4.1 earthquake that struck 52 km WSW of Carahue, Chile on October 28, 2026 at 17:38 UTC had a depth of 32.0 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.
Actions
Location
Understanding This Data
Magnitude 4.1 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000ttsn). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, October 28, 2026). M4.1 Earthquake 52 km WSW of Carahue, Chile — October 28, 2026. Retrieved October 28, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000ttsn/