3 spots left on Iceland Geo Tour 16-30 July 2022

Terremoto moderato mag. 4.7 - 18 km a sud ovest da Novato, Contea di Marin County, Contea di Kern, Stati Uniti, lunedì, 20 dic 2021 12:10 (GMT -8) -

Terremoto moderato mag. 4.7 - 18 km a sud ovest da Novato, Contea di Marin County, Contea di Kern, Stati Uniti, lunedì, 20 dic 2021 12:10 (GMT -8) Terremoto moderato mag. 4.7 - 18 km a sud ovest da Novato, Contea di Marin County, Contea di Kern, Stati Uniti, lunedì, 20 dic 2021 12:10 (GMT -8)

Terremoto moderato magnitudine 4.7 a 17 km di profondità

20 Dec 20:16 UTC: Primo a segnalare: VolcanoDiscovery dopo 5 minuti.
20 Dec 20:16: Ora utilizzando nuova fonte di dati: RaspberryShake

Dettagli del sismo

Data e ora20 Dec 2021 20:10:55 UTC -
Ora locale all'epicentrolunedì, 20 dic 2021 12:10 (GMT -8)
StatusConfermato
Magnitudine4.7
Prof.17.3 km
Epicentro latitudine / longitudine38.04039°N / 122.76278°W (Marin County, Contea di Kern, Stati Uniti)
Antipode38.04°S / 57.237°E
Intensità di scuotimentoScuotimento debole
Sentito34 rapporti
Fonte dati primariaRaspberryShake (RaspberryShake)
Vulcano più vicinoClear Lake (103 km / 64 mi)
Luoghi vicini5 km SE da Point Reyes Station (pop: 848) | Mappa | Sismi nelle vicinanze
18 km OSO da Novato (pop: 55,500) | Mappa | Sismi nelle vicinanze
22 km ONO da San Rafael (pop: 59,200) | Mappa | Sismi nelle vicinanze
24 km SSO da Petaluma (pop: 60,400) | Mappa | Sismi nelle vicinanze
38 km ONO da Richmond (pop: 109,700) | Mappa | Sismi nelle vicinanze
42 km NO da San Francisco (pop: 864,800) | Mappa | Sismi nelle vicinanze
45 km S da Santa Rosa (pop: 175,000) | Mappa | Sismi nelle vicinanze
45 km O da Vallejo (pop: 121,300) | Mappa | Sismi nelle vicinanze
109 km NO da San Jose (pop: 1,026,900) | Mappa | Sismi nelle vicinanze
126 km OSO da Sacramento (pop: 490,700) | Mappa | Sismi nelle vicinanze
Meteo all'epicentro al momento del sismoOvercast Clouds 9.2°C (49 F), humidity: 89%, wind: 1 m/s (2 kts) from S
Energia sismica rilasciata stimata7.1 x 1011 joules (197 MWh, equivalent to 169 tons of TNT) | about seismic energy
Mostra la mappa interattiva
[diminuire] [ingrandire]
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!
If you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable to earthquake science, seismic 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.Prof.UbicazioneFonte
4.717 kmNear Santa Cruz, California, USARaspberryShake

User reports for this quake (39)

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!
Translate
Arcata California (332.9 km NNW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 30-60 s : Was laying in bed when the bed started shaking harshly! Alarmed family and pets and shook entire house lightly. | One user found this interesting.  
Willits / Weak shaking (MMI III) / 2-5 s : Chair shook gently, house made cracking noises,hanging lamp swayed, cats on alert, We stood up to decide what to do. Alert came just before motion. | One user found this interesting.  
Kaiser (48.7 km SE of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 20-30 s : While sitting on the 5 th floor waiting room of a medical building. Noticed building movement back and forth also saw plexiglass screens moving. Some people did not notice. Others definitely did. 6.2 off of Eureka, ca.  
Anderson, CA (270.4 km N of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 15-20 s : Laying in bed and felt the bed shaking gently back and forth. Looked at surrounding objects and they were swaying as well.  
96080 (155.2 km NNE of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 5-10 s : I felt my chair swaying, thought it was me, then noticed my Christmas tree swaying as well as my ceiling fan pulls  
3179 california st, san francisco / Weak shaking (MMI III) / single lateral shake / very short : I felt a slight shake/jolt. Enough to cause me to pause and assess whether I needed to take more action. My building in San Francisco is a wooden structure, three stories high, pre-1906 earthquake, so it slightly rocked. Definitely enough to make me take   
Santa Cruz / Very weak shaking (MMI II) / horizontal (sideways) swinging / 15-20 s : I thought it was a truck on our street except for that it lasted too long. Felt like my couch was doing a little shimmy back-and-forth.  
Oildale, Kern, California (444.1 km SE of epicenter) [Map] / not felt (reported through our app)
San Francisco CA (41.8 km SE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 20-30 s
lake merritt (52.1 km ESE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
Outer Richmond Sam Francisco (37.1 km SE of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s
San francisco (42.1 km SE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s : It woke me up from a nap  
Santa Cruz (133.6 km SSE of epicenter) [Map] / Weak shaking (MMI III) / 1-2 s : I was upstairs, I felt shaking, and heard things shaking  
San Francisco (43.3 km SE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Thought it was people stomping for a moment  
Crescent city, ca. (428.2 km NNW of epicenter) [Map] / Light shaking (MMI IV) : Sitting on couch. Lampshades swinging, water shaking in glass  
Paradise, california (224.8 km NNE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 15-20 s : Was watching TV and my trailer started shaking back and forth but the wind wasn't blowing  
San Francisco (40.2 km SE of epicenter) [Map] / Weak shaking (MMI III) / very short
San Francisco, CA (44.9 km SE of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 5-10 s : 4th floor, just felt a mild swaying for 5 seconds or so.  
Clipper mills, ca (216.7 km NE of epicenter) [Map] / Weak shaking (MMI III) / complex motion difficult to describe / 5-10 s : Upstairs felt as if bills were trampoline downstares  
Uniontown, Humboldt, California (335 km NNW of epicenter) [Map] / Strong shaking (MMI VI) / complex motion difficult to describe / 15-20 s
Pebble Beach, California (178.4 km SSE of epicenter) [Map] / Very weak shaking (MMI II) / vibration and rolling / 5-10 s : working on my bed and the bed and pillows and laptop started shaking  
Trinidad Ca (358.8 km NNW of epicenter) [Map] / Weak shaking (MMI III) : Inside house  
Chico ca (205.7 km NNE of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s
Santa cruz ca (134.8 km SSE of epicenter) [Map] / Weak shaking (MMI III) / vertical swinging (up and down) / 5-10 s
san francisco / Very weak shaking (MMI II) / rattling, vibrating / 5-10 s
Marin / not felt : San Rafael had no falling items or signs of shaking.  
Marin / not felt : San Rafael had no falling items or signs of shaking.  
1960 jackson street san Francisco / Weak shaking (MMI III) / 10-15 s
Santa Cruz / Very weak shaking (MMI II) / rattling, vibrating / 10-15 s : Windows shaking. Mostly noticeable because of the slight noise they made. (reported through our app)  
West Sacramento / not felt / 20-30 s : Ceiling Lamps swinging slightly for several seconds  
Susanville / not felt (reported through our app)
Mostra di più
Mostra di più
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:
  • Improved multilanguage support
  • Tsunami alerts
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Detailed quake stats
  • Additional seismic data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Uso di materiale: La maggior parte dei testi e delle immagini, in particolare le foto, presenti su questo sito web sono protetti da copyright. L'ulteriore riproduzione e l'utilizzo senza autorizzazione non sono consentiti. Se non sei sicuro o hai bisogno di diritti di licenza per materiale, ad esempio foto per pubblicazioni o altro uso commerciale, contattaci.