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Weak mag. 2.7 earthquake - 15 mi south of Eureka, Humboldt County, California, USA, on Tuesday, Jan 24, 2023 at 5:47 pm (GMT -8) -

Weak magnitude 2.7 earthquake at 5 km depth

25 Jan 01:50 UTC: First to report: USGS after 3 minutes.

Earthquake details

Date & time	Jan 25, 2023 01:47:20 UTC -
Local time at epicenter	Tuesday, Jan 24, 2023 at 5:47 pm (GMT -8)
Status	Confirmed
Magnitude	2.7
Depth	4.7 km
Epicenter latitude / longitude	40.58817°N / 124.22784°W (Humboldt, California, United States)
Antipode	40.588°S / 55.772°E
Shaking intensity	Weak shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Mount Shasta (194 km / 121 mi)
Nearby towns and cities	3 km (2 mi) ENE of Ferndale (pop: 1,370) \| Show on map \| Quakes nearby 6 km (4 mi) W of Fortuna (Humboldt County) (pop: 12,000) \| Show on map \| Quakes nearby 14 km (9 mi) NW of Rio Dell (pop: 3,390) \| Show on map \| Quakes nearby 24 km (15 mi) SSW of Eureka (Humboldt County) (pop: 27,000) \| Show on map \| Quakes nearby 31 km (20 mi) SSW of Bayside (Humboldt County) (pop: 17,100) \| Show on map \| Quakes nearby 33 km (21 mi) SSW of Arcata (Humboldt County) (pop: 17,800) \| Show on map \| Quakes nearby 41 km (26 mi) SSW of McKinleyville (Humboldt County) (pop: 15,200) \| Show on map \| Quakes nearby 324 km (201 mi) NW of Sacramento (pop: 490,700) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Clear Sky 10.2°C (50 F), humidity: 82%, wind: 3 m/s (6 kts) from NW
Estimated seismic energy released	7.1 x 10⁸ joules (197 kilowatt hours, equivalent to 0.169 tons of TNT) \| about seismic energy

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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.

Mag.	Depth	Location	Source
2.7	4.7 km	3km ENE of Ferndale, CA	USGS
2.7	5 km	NORTHERN CALIFORNIA	EMSC
2.7	4.7 km	Near Coast of N. California	RaspberryShake
2.7	10 km	Near Coast Of Northern Calif.	IRIS

Most recent quakes Top 20 past 24 hrs Quakes in the US California

Seismograms

Seismic station: Marconi Conference Center, Marshall, CA, USA (MCCM/BK network) | Distance from quake: 295 km / 184 mi | Show on map | Station Info

Seismic station Marconi Conference Center, Marshall, CA, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

At magnitude 2.7, this quake might have been felt very close to the epicenter and under calm conditions.

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

There are no user reports for this quake.

Earlier earthquakes in the same area

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