Minor M 3.3 Earthquake Recorded Near The Geysers, California
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A magnitude 3.3 earthquake occurred 8 km northwest of The Geysers, California, on March 16, 2026. The shallow tremor was reported felt by a few residents in the area.
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 3.3 ml occurred on Monday, March 16, 2026, at 8:00 PM UTC (1:00 PM local time). The seismic event was recorded at a very shallow depth of 1.97 kilometers.
Location Details
The epicenter was located approximately 8 kilometers northwest of The Geysers, California, at coordinates 38.8287°N and 122.8127°W. Because the depth was less than 20 kilometers, this is classified as a shallow earthquake. Shallow quakes are typically more noticeable to those directly above the epicenter than deeper seismic events.
Impact Assessment
According to the U.S. Geological Survey (USGS), there have been 2 "Did You Feel It?" reports from the public, with a Community Decimal Intensity (CDI) of 2.2. There is no tsunami advisory, watch, or warning in effect for this event. No significant damage or injuries are expected from a tremor of this magnitude.
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 the region should be aware that minor aftershocks are a routine possibility following seismic activity of this nature.
Source
Information provided by the USGS Earthquake Hazards Program.
Original source: USGS Official Notice ↗
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