M4.3 Earthquake 16 km ENE of Machalí, Chile — September 8, 2024
2024-09-08 19:24:06 UTC (2024-09-08) · approx. 2:24 PM UTC-5 local
On September 8, 2024 at 19:24 UTC, a magnitude 4.3 intermediate depth earthquake struck 16 km ENE of Machalí, Chile, at a depth of 108.3 km and coordinates -34.1146°, -70.4907°.
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.
Earthquake Details
-70.4907°E
Technical Information
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Common Questions
How strong was the magnitude 4.3 earthquake near Machalí, Chile?
The magnitude 4.3 earthquake that struck 16 km ENE of Machalí, Chile on September 8, 2024 at 19:24 UTC had a depth of 108.3 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 4.3 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000nqi4). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, September 8, 2024). M4.3 Earthquake 16 km ENE of Machalí, Chile — September 8, 2024. Retrieved November 15, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000nqi4/