M5.3 Earthquake 73 km W of Abra Pampa, Argentina — May 15, 2023
2023-05-15 07:39:39 UTC (2023-05-15) · approx. 3:39 AM UTC-4 local
Felt by 1 person across nearby locations.
On May 15, 2023 at 07:39 UTC, a magnitude 5.3 intermediate depth earthquake struck 73 km W of Abra Pampa, Argentina, at a depth of 237.1 km and coordinates -22.7606°, -66.4159°. This earthquake was detected by 163 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 432, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 5.3 releases seismic energy equivalent to roughly 1 kilotons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 2.7 km — a useful intuition for the size of the slip patch on the fault.
Did You Feel It? — community-reported shaking
Aggregated felt-report intensity from 1 citizen response to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.
Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report
Earthquake Details
-66.4159°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 5.3 earthquake near Abra Pampa, Argentina?
The magnitude 5.3 earthquake that struck 73 km W of Abra Pampa, Argentina on May 15, 2023 at 07:39 UTC had a depth of 237.1 km. For context, this was a moderate earthquake that could be widely felt.
Where did the earthquake occur?
The earthquake epicenter was located at -22.7606°, -66.4159°, which is 73 km W of Abra Pampa, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.3 earthquakes can continue for days to weeks and gradually diminish over time.
Authoritative source: USGS event page (event ID: us6000kbzl). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, May 15, 2023). M5.3 Earthquake 73 km W of Abra Pampa, Argentina — May 15, 2023. Retrieved July 24, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000kbzl/