M4.4 Earthquake 69 km WSW of Ollagüe, Chile — May 21, 2026
2026-05-21 18:44:22 UTC (2026-05-21) · approx. 1:44 PM UTC-5 local
On May 21, 2026 at 18:44 UTC, a magnitude 4.4 intermediate depth earthquake struck 69 km WSW of Ollagüe, Chile, at a depth of 118.3 km and coordinates -21.3870°, -68.8966°.
Physical scale: An earthquake of magnitude 4.4 releases seismic energy equivalent to roughly 60 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 655 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-68.8966°E
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Common Questions
How strong was the magnitude 4.4 earthquake near Ollagüe, Chile?
The magnitude 4.4 earthquake that struck 69 km WSW of Ollagüe, Chile on May 21, 2026 at 18:44 UTC had a depth of 118.3 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 4.4 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.4 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000szbu). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, May 21, 2026). M4.4 Earthquake 69 km WSW of Ollagüe, Chile — May 21, 2026. Retrieved June 2, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000szbu/