M 2.9 earthquake – 29 km W of Petrolia, CA
·
Local time: Oct 30, 2026 · 06:56 (UTC-7)
MicroShallow · 13 km
Automatic solution
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- Magnitude
- 2.9duration magnitude (md)
- Depth
- 13 kmShallow earthquake
- Epicenter
- 40.299, -124.62668 km from Eureka
- Energy released
- 0.3 tons of TNTless than one Hiroshima bomb
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 0M2.5+ within 30 km
- Significance
- 129USGS score, 0–1,000+
Not rare around here
An earthquake at least as strong struck within 300 km on Oct 28, 2026.
How strong was it?
Micro earthquake. It released 0.3 tons of TNT, 1,413 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