Minor M 3.4 Earthquake Recorded Near Gilroy, California
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A minor 3.4 magnitude earthquake occurred 8 km east-northeast of Gilroy, California, on March 16, 2026. The shallow tremor was recorded at a depth of 6.85 kilometers.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on April 3, 2026 and geographically references Northern California. 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, California.
What Happened
A minor earthquake with a magnitude of 3.36 ml occurred on Monday, March 16, 2026, at 13:48:36 UTC. For local residents in the Gilroy area, the event took place at 06:48 AM local time. The earthquake was centered approximately 8 km east-northeast of Gilroy, California.
Location Details
The seismic event was located at coordinates 37.0413°N and 121.4955°W. The tremor originated at a depth of 6.85 km. This is characterized as a shallow earthquake; events occurring at depths of less than 20 km are generally felt more intensely at the surface than deeper earthquakes of a similar magnitude.
Impact Assessment
According to the U.S. Geological Survey (USGS), there is no tsunami advisory, watch, or warning associated with this event. No felt reports have been submitted to the USGS at this time, and no specific alert level color has been assigned to this routine seismic activity.
What You Should Know
This event is classified as a minor earthquake. Earthquakes with magnitudes between 2.5 and 3.9 are often felt by people but rarely cause damage to structures. Residents should be aware that minor aftershocks are a possibility following seismic activity, though they are typically smaller than the initial event.
Source
Information provided by the USGS Earthquake Hazards Program.
Original source: USGS Official Notice ↗
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