Ελαφρύς σεισμός μεγέθους 3.2 - 2.8 km ανατολικά από San Leandro, Alameda County, Καλιφόρνια, Ηνωμένες Πολιτείες, Κυρ, 6 Σεπ 2020 18:43 GMT -

Ελαφρύς σεισμός μεγέθους 3.2 - 2.8 km ανατολικά από San Leandro, Alameda County, Καλιφόρνια, Ηνωμένες Πολιτείες, Κυρ, 6 Σεπ 2020 18:43 GMT

Ελαφρύς σεισμός μεγέθους 3.2 at 9 km depth

6 Sep 18:47 UTC: Πρώτα να αναφέρει: USGS after 4 minutes.
Sep 6 19:26: Magnitude recalculated from 3.4 to 3.2.
Hypocenter depth recalculated from 10.1 to 8.9 km.
Update Mon, 7 Sep 2020, 11:08
Small earthquakes near downtown San Francisco widely felt
Location of yesterday's magnitude 3.2 quake near San Francisco
Location of yesterday's magnitude 3.2 quake near San Francisco
Two small earthquakes of magnitudes 2.6 and 3.4 occurred near downtown San Francisco yesterday noon, at 11:36 and 11:43 local time, respectively.
Their epicenters were close to San Leandro, about 20 km from the city center.
Although the quakes were very small and pose no danger, many people felt and reported them. In most cases, only a light and quick shake was felt that lasted less than 2 seconds.

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Earthquake data

Ημερομηνία & time: 6 Sep 2020 18:43:57 UTC -
Τοπική ώρα στο επίκεντρο: 6 Sep 2020 11:36 am
Μέγεθος: 3.2
Βάθος: 8.9 km
Επίκεντρο γεωγραφικό πλάτος / γεωγραφικό μήκος: 37.7155°N / 122.12717°W (Alameda, Καλιφόρνια, Ηνωμένες Πολιτείες)
Antipode: 37.716°S / 57.873°E
Πλησιέστερα ηφαίστειο: Clear Lake (150 km / 93 mi)
Nearby towns and cities:
3 km (2 mi) ΒΔ of Ashland (pop: 21,900) --> Δείτε κοντινούς σεισμούς!
3 km (2 mi) ΝΑ of San Leandro (pop: 90,700) --> Δείτε κοντινούς σεισμούς!
4 km (2 mi) Β of San Lorenzo (pop: 23,500) --> Δείτε κοντινούς σεισμούς!
4 km (3 mi) ΒΔ of Castro Valley (pop: 61,400) --> Δείτε κοντινούς σεισμούς!
7 km (4 mi) ΒΔ of Hayward (pop: 158,300) --> Δείτε κοντινούς σεισμούς!
13 km (8 mi) ΝΑ of Αλαμήντα (pop: 78,600) --> Δείτε κοντινούς σεισμούς!
15 km (9 mi) ΝΔ of San Ramon (pop: 76,100) --> Δείτε κοντινούς σεισμούς!
16 km (10 mi) ΝΑ of Όουκλαντ (pop: 419,300) --> Δείτε κοντινούς σεισμούς!
27 km (16 mi) ΝΑ of Σαν Φρανσίσκο (pop: 864,800) --> Δείτε κοντινούς σεισμούς!
111 km (69 mi) ΝΔ of Σακραμέντο (pop: 490,700) --> Δείτε κοντινούς σεισμούς!
Κύρια πηγή δεδομένων: USGS (United States Geological Survey)
Estimated released energy: 4 x 109 joules (1.11 megawatt hours, ισοδυναμεί με 0.951 τόνους TNT) | about seismic energy
Διαδραστικός χάρτης
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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.ΒάθοςΤοποθεσίαΠηγή
3.28.9 km3km ESE of San Leandro, CA (USA)USGS

User reports for this quake (93)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Upper Dimond District, Oakland, CA (11.3 km NW of epicenter) [Map] / Weak shaking (MMI III) / simple rolling (tilting sideways along one direction) / 2-5 s : Simple rolling with a duration of approx 3 sec. | 2 users found this interesting.  
San Leandro, at home (2.5 km W of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / very short : It was like a quick shake that last 1-2 seconds - just enough for you to feel it and noticed | 2 users found this interesting.  
Danville, Ca (17.3 km NE of epicenter) [Map] / not felt / single lateral shake / very short : Just a quick little jolt. | 2 users found this interesting.  
Alameda, CA (10.5 km WNW of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / 1-2 s : I felt a jolt, then a short pause, then a few longer, firmer jolts, then it ended. | 2 users found this interesting.  
North Richmond, Contra Costa, California (34.7 km NW of epicenter) [Map] / not felt : Did not notice anything at 2377 Garden Tract Rd in Richmond. | One user found this interesting.  
San Ramon, Contra Costa, California (17.4 km ENE of epicenter) [Map] / Light shaking (MMI IV) : It was quick jolt | One user found this interesting. (reported through our app)  
Hayward Ca (5.7 km SSE of epicenter) [Map] / Very weak shaking (MMI II) : I felt one a hour ago and second one 12:51pm | One user found this interesting.  
Move my house (0.5 km WSW of epicenter) [Map] / Moderate shaking (MMI V) / 1-2 s : Shake strong | One user found this interesting. (reported through our app)  
Oakland, Alameda, California (18.1 km NW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / very short
Union City, Alameda, California (14.1 km SSE of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 1-2 s
Alameda, California (11.1 km WNW of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Blackhawk, Contra Costa, California (23.1 km ENE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / very short
Fremont (37.2 km SSE of epicenter) [Map] / Moderate shaking (MMI V) / very short (reported through our app)
Berkeley, Alameda, California (21.9 km NW of epicenter) [Map] / Weak shaking (MMI III)
Waldon, Contra Costa (23.1 km NNE of epicenter) [Map] / Light shaking (MMI IV) / 1-2 s
HAYWARD (8 km ESE of epicenter) [Map] / Very weak shaking (MMI II)
Orinda, Contra Costa, California (18.4 km NNW of epicenter) [Map] / Weak shaking (MMI III)
Fairview, Alameda, California (13.3 km ESE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
Piedmont, Alameda, California (8.9 km NW of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 1-2 s
Burlingame, San Mateo, California (25.1 km SW of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s
San Francisco (27 km W of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Walnut Creek (20.4 km NNE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
San Lorenzo, Alameda, California (5.7 km S of epicenter) [Map] / Moderate shaking (MMI V) / 1-2 s
San Mateo, CA (24.9 km SW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Berkeley, Alameda, California (20.2 km NW of epicenter) [Map] / Moderate shaking (MMI V) / 1-2 s
El Sobrante, Contra Costa, California (32.2 km NNW of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Hayward Burbank neighborhood / Light shaking (MMI IV) : A sharp jolt upward (I was standing and grabbed the sink I was next to, on the second floor) and a loud noise as if the building had bounced. | 4 users found this interesting.  
Moraga, CA / Light shaking (MMI IV) / 1-2 s : At first I thought the sound was a low-flying jet passing overhead, which would have been odd because I'm not near an airport. Then I saw the medicine cabinet mirror moving. It only lasted a couple seconds. | 3 users found this interesting.  
Foster City / Weak shaking (MMI III) / very short : Both husband and I were sitting on the same couch but at opposite ends. I felt it but he didn’t. I was sitting closer to Street so thought it was a big truck. Felt like a strong jolt. Son upstairs sleeping felt it. | 3 users found this interesting.  
San Ramon / Very weak shaking (MMI II) / 2-5 s : I was talking to mom in San Leandro when she felt it in San Leandro. In 5-7 seconds later I felt it in San Ramon for about 2-5 saddle shaking. | 3 users found this interesting.  
San Leandro / Light shaking (MMI IV) / single lateral shake / 1-2 s : It is very short and just like the second you have a rush stop of your car and the second it stops and freeze | One user found this interesting.  
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