M 3.3 Minor Earthquake Strikes 82 km NE of Tonopah, Nevada

Source: USGS · Nevada

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A minor 3.3 magnitude earthquake occurred 82 km northeast of Tonopah, Nevada, on March 17, 2026. The shallow event was recorded at a depth of 7.2 kilometers.

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

This notice was issued by USGS on March 23, 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 3.3 ml occurred on Wednesday, March 17, 2026, at 20:28:08 UTC (1:28 PM local time). The seismic event was recorded at a shallow depth of 7.2 kilometers (approximately 4.5 miles).

Location Details

The earthquake's epicenter was located at coordinates 38.4877°N and 116.4519°W. This position is approximately 82 kilometers (51 miles) northeast of Tonopah, Nevada. Because the event occurred at a depth of less than 20 kilometers, it is classified as a shallow earthquake. Shallow earthquakes are typically more likely to be felt by people on the surface compared to deeper seismic events.

Impact Assessment

According to the USGS, there were no immediate reports of the earthquake being felt by residents in the surrounding area. There is no tsunami advisory, watch, or warning in effect for this event. No alert level color has been assigned, and there are no reports of damage or injuries resulting from the tremor.

What You Should Know

Earthquakes with magnitudes between 2.5 and 3.9 are classified as minor. While they are often felt by people near the epicenter, they rarely cause damage to buildings or infrastructure. Residents in seismically active regions should remain aware that aftershocks are a routine occurrence following an initial event, though they are typically smaller in magnitude.

Source

Information for this report was provided by the USGS.

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 3.3 magnitude earthquake occurred 82 km northeast of Tonopah, Nevada, on March 17, 2026. The shallow event was recorded at a depth of 7.2 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.