M 3.5 Earthquake 79 km NE of Tonopah, Nevada
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A magnitude 3.5 earthquake occurred 79 km northeast of Tonopah, Nevada, on August 18, 2026, at 12:39 UTC.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on August 19, 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 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, Nevada.
What Happened
A M 3.51 ml earthquake struck 79 km NE of Tonopah, Nevada, at a depth of 7.75 km. The event occurred at 2026-08-18 12:39:45 UTC (Unix timestamp 1787104785861). The USGS recorded the event automatically with a magnitude type of ml.
Location Details
The epicenter was located at latitude 38.4703, longitude -116.4854, approximately 79 km northeast of Tonopah, Nevada. The shallow depth of 7.75 km (less than 20 km) places it in the shallow category.
Impact Assessment
The earthquake was felt by 2 people, with a maximum reported intensity (CDI) of 3.1. No tsunami advisory was issued (tsunami flag: 0) and no alert level was assigned.
What You Should Know
This was a minor earthquake (M 2.5-3.9 range) that is often felt but rarely causes damage. Residents in the area may experience small aftershocks in the following days.
Source
Original source: USGS Official Notice ↗
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