An erroneous alert warning of a significant earthquake in northern Nevada was dispatched on Thursday, sparking confusion across the region. The United States Geological Survey (USGS) clarified that the reported magnitude 5.9 quake near Carson City had never occurred.
The urgency of the alert, which reached residents nearly 200 miles away in the San Francisco Bay Area, prompted automatic notifications advising people to seek cover. However, just minutes later, the USGS retracted the alert, stating that no seismic event took place.
Why It Matters
False emergency alerts can create panic and concern among the public, especially in areas vulnerable to seismic activity. The response witnessed following the alert underscores the importance of accurate information in ensuring public safety, particularly when it comes to natural disasters.
Key Developments
- The USGS sent an alert about a magnitude 5.9 earthquake in northern Nevada at 08:06 local time.
- The alert erroneously reached individuals in the San Francisco Bay Area, triggering automatic safety warnings.
- Minutes after the initial notification, the USGS confirmed the report was false and retracted the alert.
- An investigation is underway to determine the cause of the malfunction in the automatic earthquake detection system.
- Multiple law enforcement agencies in the vicinity reported no seismic activity.
Full Report
The USGS reported a magnitude 5.9 earthquake purportedly striking near Carson City, the capital of Nevada, at 08:06 local time. The unexpected alert caused alarm, especially given the proximity of its reach to the San Francisco Bay Area, nearly 200 miles away.
Shortly after the notification, the USGS tweeted that no such earthquake had occurred, clarifying, “There was no M5.9 earthquake near Carson City, NV.” The agency attributed the alarm to its automatic earthquake detection system, which mistakenly generated the erroneous report.
This incident marks a significant event for the USGS, as it is believed to be the first instance of the agency issuing a completely false earthquake notification. The USGS has initiated an investigation to identify the root cause of the system’s failure.
Local law enforcement agencies responded to the situation, confirming there was no seismic ground movement reported in the areas surrounding the claimed epicenter.
Context & Previous Events
A magnitude 5.9 earthquake generally qualifies as strong enough to induce noticeable shaking and minor property damage, according to the Michigan Tech Earthquake Magnitude Scale. This context sheds light on the potential consequences of such a powerful seismic event, underscoring the critical nature of accurate alerts.










































