M4.2 Earthquake 73 km WSW of Ollagüe, Chile — April 25, 2025
2025-04-25 16:35:21 UTC (2025-04-25) · approx. 11:35 AM UTC-5 local
On April 25, 2025 at 16:35 UTC, a magnitude 4.2 intermediate depth earthquake struck 73 km WSW of Ollagüe, Chile, at a depth of 119.7 km and coordinates -21.4144°, -68.9345°.
Physical scale: An earthquake of magnitude 4.2 releases seismic energy equivalent to roughly 30 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 476 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-68.9345°E
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Common Questions
How strong was the magnitude 4.2 earthquake near Ollagüe, Chile?
The magnitude 4.2 earthquake that struck 73 km WSW of Ollagüe, Chile on April 25, 2025 at 16:35 UTC had a depth of 119.7 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 4.2 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.2 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000pv1p). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, April 25, 2025). M4.2 Earthquake 73 km WSW of Ollagüe, Chile — April 25, 2025. Retrieved July 11, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000pv1p/