M 6.5 earthquake – The 2010 Eureka, California Earthquake
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Local time: Jan 9, 2010 · 16:27 (UTC-8)
StrongShallow · 29 km
Reviewed by a seismologist
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- Magnitude
- 6.5moment magnitude (mw)
- Depth
- 29 kmShallow earthquake
- Epicenter
- 40.652, -124.69248 km from Eureka
- Energy released
- 85 kilotons of TNTabout 5.7 × Hiroshima
- Felt reports
- 8,931"Did You Feel It?" responses
- Shaking intensity
- 6.8max. instrumental (MMI)
- Aftershocks
- 65M2.5+ within 37 km, up to 60 days
- Significance
- 1,360USGS score, 0–1,000+
The strongest here since 2005
The last earthquake at least as strong within 300 km struck on Jun 17, 2005.
How strong was it?
Strong earthquake. It released 85 kilotons of TNT, 178 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
65 earthquakes of M2.5+ within 37 km in the 60 days after.
- 3.5 50 km WSW of Ferndale, California Jan 10, 2010
- 3.7 41 km W of Ferndale, California Jan 10, 2010
- 2.9 37 km W of Ferndale, California Jan 10, 2010
- 3.3 29 km WNW of Ferndale, California Jan 10, 2010
- 3.2 33 km WNW of Ferndale, California Jan 10, 2010
- 2.7 42 km W of Ferndale, California Jan 10, 2010
- 2.6 18 km WNW of Indianola, California Jan 10, 2010
- 3.4 42 km W of Ferndale, California Jan 10, 2010
- 2.7 43 km W of Ferndale, California Jan 10, 2010
- 2.7 49 km W of Ferndale, California Jan 10, 2010
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