M 5.0 Earthquake Strikes 12 km SSW of Santiago Quiavicuzas, Mexico

Source: USGS · Southern Mexico

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 5.0 earthquake occurred 12 km south-southwest of Santiago Quiavicuzas, Mexico, at a depth of 81.3 km on June 28, 2026, at 08:25:37 UTC.

What this USGS earthquake report tells you, and what most readers miss

This notice was issued by USGS on April 21, 2026 and geographically references Southern Mexico. 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, Mexico.

What Happened

A magnitude 5.0 earthquake (M 5.0 mb) occurred 12 km SSW of Santiago Quiavicuzas, Mexico, at a depth of 81.3 km. The event took place on June 28, 2026, at 08:25:37 UTC.

Location Details

The earthquake was centered at coordinates 16.7709° N, 95.7767° W, approximately 12 km south-southwest of Santiago Quiavicuzas in Mexico. With a depth of 81.3 km, this is classified as a deep earthquake (greater than 70 km), which typically occurs in the lower crust or upper mantle and may result in less intense surface shaking.

Impact Assessment

There have been no felt reports for this earthquake. No tsunami advisory has been issued, as indicated by the data.

What You Should Know

This moderate earthquake, with a magnitude of 5.0, could potentially cause damage to poorly constructed buildings. Aftershocks may occur, and general safety tips include dropping to the ground, covering under sturdy furniture, and holding on during shaking.

Source

Information sourced from the United States Geological Survey (USGS). For more details, visit: https://earthquake.usgs.gov/earthquakes/eventpage/us6000sru5

Original source: USGS Official Notice ↗

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Frequently Asked Questions

Common questions about this USGS earthquake report.

What is this USGS earthquake report about?
A magnitude 5.0 earthquake occurred 12 km south-southwest of Santiago Quiavicuzas, Mexico, at a depth of 81.3 km on June 28, 2026, at 08:25:37 UTC.
Which agency issued this alert?
This alert was issued by USGS. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "medium" severity. Stay informed and follow agency guidance.
What area is affected?
This alert affects Southern Mexico. Check with USGS for the most current geographic scope.
Where can I find more Earthquakes updates?
Browse the full Earthquakes feed on Areazine at areazine.com/earthquakes/ for the latest updates from USGS and other agencies.