M4.0 Earthquake 41 km WNW of Moquegua, Peru — April 10, 2021
2021-04-10 23:37:21 UTC (2021-04-10) · approx. 6:37 PM UTC-5 local
On April 10, 2021 at 23:37 UTC, a magnitude 4.0 intermediate depth earthquake struck 41 km WNW of Moquegua, Peru, at a depth of 96.7 km and coordinates -17.1225°, -71.3209°.
Physical scale: An earthquake of magnitude 4.0 releases seismic energy equivalent to roughly 15 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 347 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-71.3209°E
Technical Information
Common Questions
How strong was the magnitude 4.0 earthquake near Moquegua, Peru?
The magnitude 4.0 earthquake that struck 41 km WNW of Moquegua, Peru on April 10, 2021 at 23:37 UTC had a depth of 96.7 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 4.0 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.0 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000e23d). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, April 10, 2021). M4.0 Earthquake 41 km WNW of Moquegua, Peru — April 10, 2021. Retrieved June 19, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000e23d/