Key facts
- Magnitude
- 2.7 (md)
- Location
- 2 km NE of Pacifica, CA
- Time
- 5:17 PM PDT, Wednesday, October 28, 2026
- Depth
- 6.5 km
- Felt reports
- 449 people reported shaking to USGS
- Tsunami
- No tsunami flag from USGS
What to do
During any shaking, Drop, Cover, and Hold On. Get under a sturdy table or desk if you can, and stay put until the shaking stops.
After shaking, check your home for damage and for gas leaks. Stay out of damaged buildings.
Expect aftershocks. Small aftershocks can follow an earthquake, so be ready to Drop, Cover, and Hold On again.
Context
This earthquake is small. For comparison, USGS records show 32 earthquakes of magnitude 4 or greater and 3 of magnitude 5 or greater within 100 km of this location since 2000. Those counts show that stronger earthquakes have happened in the wider area.
The 449 felt reports come from people who told USGS they felt shaking. They show how widely it was noticed, not how much damage occurred.
History here
USGS records 32 earthquakes of magnitude 4 or more within 100 km of this epicenter since 2000, 3 of them magnitude 5 or more.
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Questions
- Was there an earthquake in Pacifica, California?
- Yes. USGS reports a magnitude 2.7 earthquake 2 km northeast of Pacifica at 5:17 PM PDT on Wednesday, October 28, 2026.
- How deep was the Pacifica earthquake?
- USGS puts the depth at 6.5 km. A total of 449 people reported feeling it.
- Is there a tsunami threat from the Pacifica earthquake?
- No. USGS did not flag a tsunami threat for this earthquake.
Sources
How this page is made. The Herebeat Hazard Desk builds event pages from official U.S. government data (National Weather Service, USGS, FEMA). The text is written with AI from that data; every number and quote is checked against the official source automatically before publishing, and the page is updated when the agency updates the event. The official source is always the reference. Spotted a mistake? info@herebeat.app. About the Hazard Desk.