M4.3 Earthquake 149 km WSW of Santiago de Cao, Peru — March 23, 2022
2022-03-23 21:06:07 UTC (2022-03-23) · approx. 4:06 PM UTC-5 local
On March 23, 2022 at 21:06 UTC, a magnitude 4.3 shallow crustal earthquake struck 149 km WSW of Santiago de Cao, Peru, at a depth of 10.0 km and coordinates -8.6693°, -80.3958°.
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
-80.3958°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Santiago de Cao, Peru?
The magnitude 4.3 earthquake that struck 149 km WSW of Santiago de Cao, Peru on March 23, 2022 at 21:06 UTC had a depth of 10.0 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: us7000gwpk). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, March 23, 2022). M4.3 Earthquake 149 km WSW of Santiago de Cao, Peru — March 23, 2022. Retrieved May 28, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000gwpk/