Sismo debile mag. 3.0 - North Pacific Ocean, 8.1 km a nord ovest da Eureka, Contea di Humboldt County, Contea di Kern, Stati Uniti, martedí, 04 maggio 2021 -

Sismo debile mag. 3.0 - North Pacific Ocean, 8.1 km a nord ovest da Eureka, Contea di Humboldt County, Contea di Kern, Stati Uniti, martedí, 04 maggio 2021

Sismo debile magnitudine 3.0 at 24 km depth

4 May 07:39 UTC: Primo a segnalare: USGS dopo 2 minuti.
Update Tue, 4 May 2021, 07:45
Small magnitude 3.0 earthquake 5 miles northwest of Eureka, California, United States
3.0 quake 4 May 12:37 am (GMT -7)
3.0 quake 4 May 12:37 am (GMT -7)
Just 7 minutes ago, a 3.0-magnitude earthquake struck near Eureka, Humboldt County, California, USA. The tremor was recorded after midnight on Tuesday 4 May 2021 at 12:37 am local time, at a shallow depth of 15 miles below the surface.
The event was filed by the United States Geological Survey, the first seismological agency to report it.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 3.0 earthquake as well.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Samoa (pop. 260) located 3 miles from the epicenter, Eureka (pop. 27,000) 5 miles away, Humboldt Hill (pop. 3,400) 8 miles away, Pine Hills (pop. 3,100) 9 miles away, and Arcata (pop. 17,800) 9 miles away. In Bayside (pop. 17,100, 10 miles away), McKinleyville (pop. 15,200, 11 miles away), and Fortuna (pop. 12,000, 17 miles away), the quake was probably not felt.
Download the Volcanoes & Earthquakes app to get one of the fastest seismic alerts online:
Android | IOS

Earthquake data:

Data & ora: 4 May 2021 07:37:40 UTC -
Ora locale a epicentro: Tuesday, 4 May 2021 00:37 (GMT -7)
Magnitudine: 3
Profondità: 23.6 km
Epicentro latitudine / longitudine: 40.83733°N / 124.24834°W (North Pacific Ocean, Contea di Kern, Stati Uniti)
Vulcano più vicino: Mount Shasta (183 km / 114 mi)
Nearby towns and cities:
6 km ONO da Samoa (pop: 258) --> Vedi sismi vicini
8 km ONO da Eureka (Humboldt County) (pop: 27,000) --> Vedi sismi vicini
14 km OSO da Arcata (Humboldt County) (pop: 17,800) --> Vedi sismi vicini
16 km O da Bayside (Humboldt County) (pop: 17,100) --> Vedi sismi vicini
17 km SO da McKinleyville (Humboldt County) (pop: 15,200) --> Vedi sismi vicini
26 km SSO da Westhaven-Moonstone (pop: 1,210) --> Vedi sismi vicini
28 km NNO da Fortuna (Humboldt County) (pop: 12,000) --> Vedi sismi vicini
39 km NNO da Rio Dell (pop: 3,390) --> Vedi sismi vicini
159 km O da Redding (pop: 91,600) --> Vedi sismi vicini
201 km SO da Medford (Oregon) (pop: 79,800) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 2 x 109 joules (554 kilowatt hours, equivalent to 0.477 tons of TNT) More info
Show interactive Map
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.ProfonditàUbicazioneFonte
3.024 km9km NW of Eureka, CA, USAUSGS
2.522 kmOFFSHORE NORTHERN CALIFORNIA, USAEMSC
unknownn/aNear Eureka, California, USAVolcanoDiscovery

User reports for this quake (9)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
15.2 km ENE of epicenter [Map] / Very weak shaking (MMI II) / single lateral shake / very short : Im on the second floor and my bed and shelf shook. My parents, also on the second floor, felt nothing  
11.9 km ESE of epicenter [Map] / Very weak shaking (MMI II) / 1-2 s
compton / Very weak shaking (MMI II) / complex rolling (tilting in multiple directions) / 5-10 s
Eureka, California (king salmon) / Light shaking (MMI IV) / single vertical bump / very short
14.1 km ENE of epicenter [Map] / Light shaking (MMI IV) / single lateral shake / 1-2 s : Felt one jolt like someone slammed a big door. Could have knocked things over if it went back and forth.  
Kneeland, CA / Light shaking (MMI IV)
Arcata / Light shaking (MMI IV) / single lateral shake / 1-2 s
Arcata,ca / Light shaking (MMI IV) / single vertical bump / 2-5 s : Woke me up  
Eureka / Very weak shaking (MMI II) / single lateral shake / very short : A single jolt as the house creaked.  
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version
Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Additional seismic data sources
  • Improved content in English
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery e da altre fonti come indicato.
Uso di materiale: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.