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Terremoto moderato mag. 4.5 - 61 km a sud-est da South Lake Tahoe, Contea di El Dorado County, Contea di Kern, Stati Uniti, lunedì, 8 ago 2022 13:44 (GMT -7) -

Terremoto moderato mag. 4.5 - 61 km a sud-est da South Lake Tahoe, Contea di El Dorado County, Contea di Kern, Stati Uniti, lunedì,  8 ago 2022 13:44 (GMT -7) Terremoto moderato mag. 4.5 - 61 km a sud-est da South Lake Tahoe, Contea di El Dorado County, Contea di Kern, Stati Uniti, lunedì,  8 ago 2022 13:44 (GMT -7)

Terremoto moderato magnitudine 4.5 a 5.4 km di profondità

8 Aug 20:48 UTC: Primo a segnalare: VolcanoDiscovery dopo 4 minuti.
8 Aug 20:48: Ora utilizzando nuova fonte di dati: USGS
... [show all] ...
9 Aug 00:18: Magnitudine ricalcolata da 4.4 a 4.5.
Update Mon, 8 Aug 2022, 20:54

Moderate magnitude 4.4 quake hits 38 miles southeast of South Lake Tahoe, California, United States around noon

4.4 quake 8 Aug 1:44 pm (GMT -7)
4.4 quake 8 Aug 1:44 pm (GMT -7)
An earthquake of magnitude 4.4 occurred only 10 minutes ago 38 miles southeast of South Lake Tahoe, California, United States, the United States Geological Survey reported.
The quake hit at a very shallow depth of 3.2 miles beneath the epicenter near South Lake Tahoe, El Dorado County, California, USA, around noon on Monday, August 8th, 2022, at 1:44 pm local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Our monitoring service identified a second report from the citizen-seismograph network of RaspberryShake which listed the quake at magnitude 4.4 as well. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 4.4.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc.
In Coleville (pop. 500) located 3 miles from the epicenter, the quake should have been felt as light shaking.
Weak shaking might have been felt in Topaz Ranch Estates (pop. 1,500) located 11 miles from the epicenter, Smith Valley (pop. 1,600) 15 miles away, Smith (pop. 1000) 17 miles away, Gardnerville Ranchos (pop. 11,300) 26 miles away, Gardnerville (pop. 5,700) 30 miles away, and Gardnerville (pop. 5,700) 30 miles away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include South Lake Tahoe (pop. 21,700) located 38 miles from the epicenter, and Reno (pop. 241,400) 68 miles away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Dettagli del sismo

Data e ora8 Aug 2022 20:44:14 UTC -
Ora locale all'epicentrolunedì, 8 ago 2022 13:44 (GMT -7)
StatusConfermato
Magnitudine4.5
Prof.5.4 km
Epicentro latitudine / longitudine38.58167°N / 119.446°W (Contea di Mono, Contea di Kern, Stati Uniti)
Antipodo38.582°S / 60.554°E
Intensità di scuotimentoScuotimento leggero
Sentito16 rapporti
Fonte dati primariaUSGS (United States Geological Survey)
Vulcano più vicinoMono Lake (74 km / 46 mi)
Luoghi vicini6 km ENE da Coleville (pop: 495) | Mappa | Sismi nelle vicinanze
18 km SSE da Topaz Ranch Estates (Nevada) (pop: 1,500) | Mappa | Sismi nelle vicinanze
24 km SSO da Smith Valley (Nevada) (pop: 1,600) | Mappa | Sismi nelle vicinanze
43 km SE da Gardnerville Ranchos (Nevada) (pop: 11,300) | Mappa | Sismi nelle vicinanze
57 km SSE da Johnson Lane (Douglas County, Nevada) (pop: 6,490) | Mappa | Sismi nelle vicinanze
61 km SE da South Lake Tahoe (El Dorado County) (pop: 21,700) | Mappa | Sismi nelle vicinanze
110 km SSE da Reno (Nevada) (pop: 241,400) | Mappa | Sismi nelle vicinanze
178 km E da Sacramento (pop: 490,700) | Mappa | Sismi nelle vicinanze
Meteo all'epicentro al momento del sismoBroken Clouds 28.4°C (83 F), humidity: 31%, wind: 1 m/s (1 kts) from SSE
Energia sismica rilasciata stimata3.5 x 1011 joules (98.6 MWh, equivalent to 84.8 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.Prof.UbicazioneFonte
4.55.4 km8km NNE of Walker, CAUSGS
4.47 kmCENTRAL CALIFORNIAEMSC
4.55.4 kmCalifornia-Nevada Border RegionRaspberryShake

Seismograms

Seismic station: Columbia College, Columbia, CA, USA (CMB/BK network) | Distance from quake: 102 km / 63 mi | Show on map | Station Info
Seismic station Columbia College, Columbia, 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. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (20)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Yosemite, California (93.5 km S of epicenter) [Map] / Light shaking (MMI IV) / complex motion difficult to describe / 30-60 s : Building Shaking, walls could be heard and felt rattling, bed moving in rolling type motion, light to moderate shaking. Probably not likely to crack windows but did hear some sounds throughout building. Not weak but not intense either. | 5 users found this interesting.  
South Lake Tahoe (59.6 km NW of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 1-2 s : Felt a quick vibration. A couple moments later felt a longer light swaying sensation lasting 2 seconds | 5 users found this interesting.  
Antioch, Contra Costa, California (209.7 km WSW of epicenter) [Map] / Very weak shaking (MMI II) / 1-2 s : Sitting in desk chair with wheels. Felt slightly dizzy. Looked up to see hanging light slightly swaying. | 3 users found this interesting.  
Dorrington CA (78.6 km WSW of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / very short : I was sitting watching a video on my computer. The entire cabin shook. Felt like it was passing through under the structure of house. | 3 users found this interesting.  
Camp connell, CA 95223 (67.8 km SSW of epicenter) [Map] / Weak shaking (MMI III) : Just a quick shake with some small rolling following initial shake | 4 users found this interesting.  
near Twain Harte, Tuolumne, California (71.9 km SW of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 1-2 s : felt the shake from my office at home. | 3 users found this interesting.  
Topaz Ranch Estates, NV 15 mi SSW of Smith Valley, / Strong shaking (MMI VI) / both vertical and horizontal swinging : The quake was centered NOT in Coleville, CA it was here in Topaz Ranch Estates, NV 15 mi SSW of Smith Valley, NV it felt like at least a 5.0 I thought it would never end, my overhead table light was swinging for 5-10 minutes and I was hanging on to my kit | 2 users found this interesting.  
AArnold California (85.2 km WSW of epicenter) [Map] / Light shaking (MMI IV) : Resting on bed | 2 users found this interesting.  
Hanford ca. / not felt : Not felt | 2 users found this interesting. (reported through our app)  
Fresno, California (206.4 km S of epicenter) [Map] / not felt : Did feel it (reported through our app)  
Calabasas, Los Angeles, California (492.9 km S of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Coleville, CA near the KOA ⛺️ / Moderate shaking (MMI V) / vertical swinging (up and down) / 2-5 s : The powers poles were swaying back and forth.  
Arnold, California. / Weak shaking (MMI III) / simple rolling (tilting sideways along one direction) / 5-10 s : Long but light shaking.  
Murphys / not felt
Smith, NV / Weak shaking (MMI III) / vibration and rolling / 10-15 s
Twain Harte Ca / Light shaking (MMI IV) / vibration and rolling / 10-15 s : Felt it roll one way than roll came back In Twain Harte ca  
San Andreas / Very weak shaking (MMI II) / simple rolling (tilting sideways along one direction) / 1-2 s
Reno / not felt (reported through our app)
Murphys, CA HWY. 4/ 4 MI. EAST OF Murphys / Very weak shaking (MMI II) / rattling, vibrating / 5-10 s
Sonora California / Weak shaking (MMI III) / single vertical bump / very short (reported through our app)

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