M4.2 Earthquake 17 km ENE of Huarichancara, Peru — June 12, 2021
2021-06-12 22:00:37 UTC (2021-06-12) · approx. 5:00 PM UTC-5 local
On June 12, 2021 at 22:00 UTC, a magnitude 4.2 intermediate depth earthquake struck 17 km ENE of Huarichancara, Peru, at a depth of 202.3 km and coordinates -15.5774°, -70.9070°.
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
-70.9070°E
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Common Questions
How strong was the magnitude 4.2 earthquake near Huarichancara, Peru?
The magnitude 4.2 earthquake that struck 17 km ENE of Huarichancara, Peru on June 12, 2021 at 22:00 UTC had a depth of 202.3 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 4.2 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: us7000ecis). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, June 12, 2021). M4.2 Earthquake 17 km ENE of Huarichancara, Peru — June 12, 2021. Retrieved August 26, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000ecis/