Minor M 3.1 Earthquake Recorded 76 km ENE of Tonopah, Nevada

Source: USGS · Nevada

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A minor 3.1 magnitude earthquake occurred near Tonopah, Nevada, on February 21, 2026. The shallow tremor was recorded at a depth of 5.6 kilometers.

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

This notice was issued by USGS on March 3, 2026 and geographically references Nevada. 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 regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly USGS detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized USGS earthquake report is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (earthquake, seismic, usgs, Nevada) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

What Happened

A minor earthquake with a magnitude of 3.11 ml occurred on February 21, 2026, at 19:29:27 UTC. The seismic event was recorded at a shallow depth of 5.6 km, which is characteristic of many earthquakes in the Great Basin region.

Location Details

The epicenter was located at coordinates 38.4397°N, 116.4917°W. This position places the event approximately 76 km east-northeast of Tonopah, Nevada. The depth of 5.6 km is considered shallow (less than 20 km), which can sometimes make tremors more noticeable to those in the immediate vicinity if they are close to the epicenter.

Impact Assessment

At this time, there are no felt reports submitted to the USGS for this event. No tsunami advisories, watches, or threats have been issued in connection with this earthquake. The event has not triggered any specific alert levels, suggesting a low probability of damage or casualties.

What You Should Know

Earthquakes with magnitudes between 2.5 and 3.9 are classified as minor. While they are often felt by people close to the epicenter, they rarely cause structural damage. Residents in the region should be aware that minor aftershocks are a common occurrence following seismic activity, though they typically decrease in frequency and intensity over time.

Source

Data provided by the USGS Earthquake Hazards Program.

Original source: USGS Official Notice ↗

All Earthquakes →

Frequently Asked Questions

Common questions about this USGS earthquake report.

What is this USGS earthquake report about?
A minor 3.1 magnitude earthquake occurred near Tonopah, Nevada, on February 21, 2026. The shallow tremor was recorded at a depth of 5.6 kilometers.
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 Nevada. 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.