M 3.3 Earthquake Hits 7 km NE of Lake Davis, California
Areazine synthesizes this USGS earthquake report directly from USGS's official public data feed. See our methodology for full source attribution and refresh cadence.
A minor earthquake with a magnitude of 3.3 struck 7 km northeast of Lake Davis, California, at a shallow depth, and was felt by a few residents.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on April 28, 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 July 28, 2026, at 08:16:46 UTC (time converted from Unix timestamp). The event took place 7 km NE of Lake Davis, CA, at a depth of -1.54 km.
Location Details
The earthquake was centered at coordinates 39.91 latitude and -120.41 longitude, near Lake Davis in California. With a depth of -1.54 km, this is considered a shallow earthquake (typically less than 20 km), which can result in stronger shaking near the epicenter.
Impact Assessment
Two people reported feeling the earthquake, as indicated by felt reports. There is no tsunami advisory, and no alert level was issued.
What You Should Know
Earthquakes of this magnitude are often felt but rarely cause damage. Be prepared for possible aftershocks, and follow basic safety tips such as dropping to the ground, covering your head, and holding on during shaking.
Source
This information is from the USGS. For more details, visit: https://earthquake.usgs.gov/earthquakes/eventpage/nc75352947
Original source: USGS Official Notice ↗
Related Earthquakes
All Earthquakes →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this USGS earthquake report: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,029 characters here).
Similar severity timing
Same severity (low) notices issued closest in time to April 28, 2026.
Frequently Asked Questions
Common questions about this USGS earthquake report.