M 3.2 - 39 km SSE of Mammoth, Wyoming

Source: USGS · Wyoming

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 3.2 earthquake occurred 39 km SSE of Mammoth, Wyoming, at a depth of 5.9 km.

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

This notice was issued by USGS on July 16, 2026 and geographically references Wyoming. Its severity classification of "low" 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, Wyoming.

What Happened

A magnitude 3.2 ml earthquake struck 39 km SSE of Mammoth, Wyoming, on July 14, 2026, at 12:00:11 UTC (timestamp 1784208011280). The event was recorded at coordinates 44.6648333333333° N, 110.474166666667° W, with a depth of 5.9 km.

Location Details

The earthquake was centered 39 km south-southeast of Mammoth, Wyoming. The shallow depth of 5.9 km (less than 20 km) places it in the upper crust.

Impact Assessment

The earthquake was felt by 4 people, with a maximum reported intensity of 4.1 on the Community Decimal Intensity scale. No tsunami was generated (tsunami flag: 0), and no alert level was issued.

What You Should Know

This was a minor earthquake (M 2.5-3.9) that is often felt but rarely causes damage. Residents in the area should be prepared for possible smaller aftershocks.

Source

Data from the United States Geological Survey (USGS): https://earthquake.usgs.gov/earthquakes/eventpage/uu80145411

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 3.2 earthquake occurred 39 km SSE of Mammoth, Wyoming, at a depth of 5.9 km.
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 "low" severity. No immediate action required, but stay aware.
What area is affected?
This alert affects Wyoming. 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.