4.3

M4.3 Earthquake 50 km WSW of Ollagüe, ChileJune 27, 2026

2026-06-27 11:39:44 UTC (2 hours ago) · approx. 6:39 AM UTC-5 local

MagnitudeM4.3(mb)
Time11:39 UTC6:39 AM UTC-5
Depth125.1 kmintermediate depth
Coordinates-21.405°, -68.699°
Felt byNo felt reports
Status✓ Reviewed by USGS

On June 27, 2026 at 11:39 UTC, a magnitude 4.3 intermediate depth earthquake struck 50 km WSW of Ollagüe, Chile, at a depth of 125.1 km and coordinates -21.4055°, -68.6994°.

Physical scale: An earthquake of magnitude 4.3 releases seismic energy equivalent to roughly 43 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 558 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at -21.41°, -68.70°

Earthquake Details

Magnitude
4.3 mb
Depth
125.1 km
intermediate depth
Location
-21.4055°N
-68.6994°E

Technical Information

Event ID
us6000t8p0
Event Type
earthquake
Status
✓ Reviewed
Significance
284
Stations Used
28
Azimuthal Gap
49.0°
Min Station Distance
0.637°
RMS Residual
0.82 sec
Last Updated
2026-06-27 12:12:38 UTC

Common Questions

How strong was the magnitude 4.3 earthquake near Ollagüe, Chile?

The magnitude 4.3 earthquake that struck 50 km WSW of Ollagüe, Chile on June 27, 2026 at 11:39 UTC had a depth of 125.1 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 4.3 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: us6000t8p0). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, June 27, 2026). M4.3 Earthquake 50 km WSW of Ollagüe, ChileJune 27, 2026. Retrieved June 27, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000t8p0/