M 5.4 Earthquake 47 km WNW of San Antonio de los Cobres, Argentina
Areazine synthesizes this USGS earthquake report directly from USGS's official public data feed. See our methodology for full source attribution and refresh cadence.
A magnitude 5.4 mww earthquake struck 47 km WNW of San Antonio de los Cobres, Argentina, at a depth of 197 km.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on August 9, 2026 and geographically references Argentina. Its severity classification of "medium" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Earthquakes - determines the monitoring protocol behind it, which shapes what follow-up action (checking for structural damage, watching for aftershocks, reviewing local building codes) is relevant and which agency holds authority over the assessment.
Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to verify its scope, source, and timestamp, then compare related notices without assuming that one record proves a broader trend.
Areazine pairs this record with the original agency URL so you can check the primary source before acting. Its related labels are earthquake, seismic, usgs, Argentina.
What Happened
A magnitude 5.4 mww earthquake occurred at 47 km WNW of San Antonio de los Cobres, Argentina. The event took place at 1784921922138 UTC with a depth of 197.18 km. This depth classifies as deep (>70 km).
Location Details
The epicenter was located at latitude -24.0121, longitude -66.7282. The earthquake was 47 km west-northwest of San Antonio de los Cobres, Argentina.
Impact Assessment
The USGS assigned a green alert level. No tsunami was generated (tsunami status: 0). No felt reports were recorded.
What You Should Know
This was classified as a moderate earthquake. Deep events like this are less likely to cause significant surface shaking.
Source
Data from USGS: https://earthquake.usgs.gov/earthquakes/eventpage/us7000t36n
Original source: USGS Official Notice ↗
Related Earthquakes
All Earthquakes →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this USGS earthquake report: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (762 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to August 9, 2026.
Frequently Asked Questions
Common questions about this USGS earthquake report.