M 3.4 earthquake – 70 km W of Ferndale, CA
·
Local time: Oct 22, 2026 · 22:38 (UTC-7)
MinorShallow · 10 km
Automatic solution
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- Magnitude
- 3.4local (Richter) magnitude (ml)
- Depth
- 10 kmShallow earthquake
- Epicenter
- 40.618, -125.09481 km from Eureka
- Energy released
- 1.9 tons of TNTless than one Hiroshima bomb
- Felt reports
- 1"Did You Feel It?" responses
- Shaking intensity
- 3.1max. reported (CDI)
- Aftershocks
- 0M2.5+ within 30 km
- Significance
- 175USGS score, 0–1,000+
Not rare around here
An earthquake at least as strong struck within 300 km on Sep 29, 2026.
How strong was it?
Minor earthquake. It released 1.9 tons of TNT, 251 times less than a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
The strongest earthquakes within 300 km
Since 1900, around United States.
- 7.4 123 km W of Big Lagoon, California Jan 31, 1922
- 7.2 153 km W of Big Lagoon, California Jun 15, 2005
- 7.2 The 1992 Petrolia, California Earthquake Apr 25, 1992
- 7.2 The 1980 Eureka, California Earthquake Nov 8, 1980
- 7.1 The 1923 Humboldt County, California Earthquake Jan 22, 1923
- 7.1 121 km W of Ferndale, California Sep 1, 1994
- 7.0 2024 Offshore Cape Mendocino, California Earthquake Dec 5, 2024
- 7.0 136 km WSW of Brookings, Oregon Aug 17, 1991
In the week before
Earthquakes within 30 km in the 7 days before this one: possible foreshocks.