Séisme faible mag. 2.7 - 36 km au nord de Redding, Comté de Shasta County, Californie, États-Unis, samedi, 13 mars 2021 21:57 (GMT -8) -

Séisme faible mag. 2.7 - 36 km au nord de Redding, Comté de Shasta County, Californie, États-Unis, samedi, 13 mars 2021 21:57 (GMT -8)

Séisme faible magnitude 2.7 at 2 km depth

14 Mar 06:00 UTC: Premier à signaler: EMSC après 3 minutes.
14 Mar 06:00: Maintenant en utilisant une nouvelle source de données: USGS
Update Sun, 14 Mar 2021, 07:03
Quake near Mt Shasta, Northern California, felt in up to approx 25 miles distance
Based on the reports we've been receiving, the quake was felt as a short, weak shake in up to approx. 25 miles distance. A user from Redding town described that "it felt like something hit the house. A loud boom and jump-like feeling."
Update Sun, 14 Mar 2021, 06:58
Small tremor of magnitude 2.7 reported 22 miles north of Redding, California, United States
2.7 quake 13 Mar 9:57 pm (GMT -8)
2.7 quake 13 Mar 9:57 pm (GMT -8)
A very shallow magnitude 2.7 earthquake was reported in the evening near Redding, Shasta County, California, USA.
According to the United States Geological Survey, the quake hit on Saturday 13 March 2021 at 9:57 pm local time at a very shallow depth of 1.1 miles. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. Magnitude and other quake parameters can still change in the coming hours as the agency continues to process seismic data.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 2.6.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Lakehead (pop. 460) located 2 miles from the epicenter. In Lake Shasta (pop. 10,200, 16 miles away), Bella Vista (pop. 2,800, 21 miles away), Redding (pop. 91,600, 22 miles away), Mount Shasta (pop. 3,300, 28 miles away), and Anderson (pop. 10,200, 32 miles away), the quake was probably not felt.
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Earthquake data

Date & heure: 14 Mar 2021 05:57:13 UTC -
Heure locale à l'épicentre: samedi, 13 mars 2021 21:57 (GMT -8)
Magnitude: 2.7
Profondeur: 1.7 km
Épicentre latitude / longitude: 40.90783°N / 122.42184°W (Comté de Shasta, Californie, États-Unis)
Antipode: 40.908°S / 57.578°E
Volcan le plus près: Mount Shasta (59 km / 37 mi)
Villes et villages en proximité:
4 km O de Lakehead (pop: 461) --> Voir les séismes à proximité!
26 km N de Lake Shasta (Shasta County) (pop: 10,200) --> Voir les séismes à proximité!
26 km N de Lake Shasta (pop: 10,200) --> Voir les séismes à proximité!
34 km NNO de Bella Vista (pop: 2,780) --> Voir les séismes à proximité!
36 km N de Redding (pop: 91,600) --> Voir les séismes à proximité!
39 km NE de Leviston (pop: 1,190) --> Voir les séismes à proximité!
46 km S de Mt. Shasta City (pop: 3,300) --> Voir les séismes à proximité!
48 km ENE de Weaverville (pop: 3,600) --> Voir les séismes à proximité!
52 km NNO de Anderson (Shasta County) (pop: 10,200) --> Voir les séismes à proximité!
271 km NNO de Sacramento (pop: 490,700) --> Voir les séismes à proximité!
Météo à'épicentre au moment du séisme:
Scattered Clouds 7.2°C (45 F), humidity: 69%, wind: 1 m/s (2 kts) from N
Source de données principale: USGS (United States Geological Survey)
Énergie sismique libérée estimée : 7.1 x 108 joules (197 kWh, équivalent à 0.169 tonnes de TNT) Plus d'infos
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Si vous avez ressenti ce tremblement de terre (ou si vous étiez près de l'épiccentre), merci de partager votre expérience et envoyer un témoignage "Je l'ai ressenti !" D'autres utilisateurs aimeraient le lire !
Si vous n'avez pas ressenti le séisme même si vous étiez dans la zone, signalez-le aussi, s-v-p! Votre contribution est précieuse pour la science des tremblements de terre, l'analyse des risques sismiques et les efforts d'atténuation. Vous pouvez utiliser l'emplacement de votre appareil ou la carte pour indiquer l'endroit où vous étiez pendant le séisme. Merci!

Données pour le même séisme indiquées par différentes agences

Info : Plus les agences signalent le même séisme et publient des données similaires, plus vous pouvez avoir confiance dans les données. Il faut normalement jusqu'à quelques heures pour que les paramètres sismiques soient calculés avec une précision quasi optimale.
Mag.ProfondeurLieuSource
2.71.7 km26km N of Shasta Lake, CA, USAUSGS
2.65 kmNORTHERN CALIFORNIA, USAEMSC

Témoignages pour ce séisme (22)

At magnitude 2.7, this quake might have been felt very close to the epicenter and under calm conditions.
Les rapports des utilisateurs estiment l'intensité perçue des secousses du sol en fonction de l' Échelle MMI (Modified Mercalli Intensity Scale).
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Redding, Shasta, California (36 km S of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 1-2 s : Heard the rumble then felt the shaking as it rumbled through, large window rattled, definitely identified as earthquake, heard rumble continue on (while watching movie).  
LAKEHEAD / Light shaking (MMI IV) / simple rolling (tilting sideways along one direction) / 20-30 s : Our dog woke us up barking then it felt like the floor was rolling and the windows were rattling. Not very long though.  
Mountain Gate / Very weak shaking (MMI II) / single lateral shake / very short : It felt like something hit the house but without the crashing sound. It was very quick and left us wondering what it was.  
bella vista (10.8 km SSE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / very short : i was outside. thought felt the ground nove just a little. i was right. funny how that happens.  
O'brien Mountain (14.3 km SE of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / very short : There was an intitial boom followed by a light shaking. Very short duration (5-10 sec.).  
near Lake Shasta, California (2.6 km ESE of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 1-2 s : Felt a moderate jolt followed by a light rattle. Seemed like it lasted 2 or 3 seconds.  
Redding, Ca (31.6 km S of epicenter) [Map] / Light shaking (MMI IV) / very short : It felt like somebody slammed a door behind me or really windy around my house but there was no wind  
26 km of Lake Shasta, California (1.6 km ENE of epicenter) [Map] / Strong shaking (MMI VI) : Hit very hard, very abrupt. Everything moved instantly.  
94117 / Very weak shaking (MMI II) / horizontal (sideways) swinging / 5-10 s
19171 Kamloop rd Lakehead CA 96051 / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s : Felt shifting  
shasta lake city, ca / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
Lakehead CA / Very weak shaking (MMI II) / rattling, vibrating : Was awaken by loud boom and quick shaking  
  • Obrian mountain lakehead ca very loud boom then felt like a tree fell on the house
  • Obrian mountain lakehead ca very loud boom then felt like a tree fell on the house
  • Obrian mountain lakehead ca very loud boom then felt like a tree fell on the house
  • Obrian mountain lakehead ca very loud boom then felt like a tree fell on the house
Shasta lake / Very weak shaking (MMI II) / single vertical bump / very short : Heard more then felt. Sounded like someone hit something outside hard.  
Redding / Weak shaking (MMI III) / very short
Lakehead, CA / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s
Redding, ca / Very weak shaking (MMI II) / single vertical bump / very short : It felt like something hit the house. A loud boom and jump like feeling.  
Bella vista, ca / Light shaking (MMI IV) / 1-2 s : If it was not for inside glass window door making noise twice would not known we had earthquake.  
Bella Vista, CA / Light shaking (MMI IV)
Shasta lake California / Very weak shaking (MMI II) / single vertical bump / 1-2 s
94117 / Very weak shaking (MMI II) / horizontal (sideways) swinging / 5-10 s
Shasta Lake, CA / Very weak shaking (MMI II) / single lateral shake / 1-2 s
Redding / Very weak shaking (MMI II) / 1-2 s : felr desk move and hear creaking  
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