M 3.1 Earthquake 4 km NNW of Little America, 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 3.11 ml earthquake occurred 4 km NNW of Little America, Wyoming.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on August 21, 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 3.11 ml earthquake struck at 2026-10-19 12:29:25 UTC (timestamp 1787296165300).
Location Details
The event was located 4 km NNW of Little America, Wyoming, at coordinates 41.5765 latitude, -109.8877 longitude, with a reported depth of -3.32 km.
Impact Assessment
No felt reports were recorded. There was no tsunami advisory (tsunami: 0) and no alert level issued.
What You Should Know
This was a minor earthquake. Such events are often felt but rarely cause damage.
Source
Original source: USGS Official Notice ↗
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All Earthquakes →Frequently Asked Questions
Common questions about this USGS earthquake report.