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Ελαφρύς σεισμός μεγέθους 2.9 - 1.7 km βόρεια από San Fernando, Κομητεία Λος Άντζελες County, Καλιφόρνια, Ηνωμένες Πολιτείες, Τρίτη, 14 Σεπ 2021 17:57 (GMT -7) -

Ελαφρύς σεισμός μεγέθους 2.9 - 1.7 km βόρεια από San Fernando, Κομητεία Λος Άντζελες County, Καλιφόρνια, Ηνωμένες Πολιτείες, Τρίτη, 14 Σεπ 2021 17:57 (GMT -7) Ελαφρύς σεισμός μεγέθους 2.9 - 1.7 km βόρεια από San Fernando, Κομητεία Λος Άντζελες County, Καλιφόρνια, Ηνωμένες Πολιτείες, Τρίτη, 14 Σεπ 2021 17:57 (GMT -7)

Ελαφρύς σεισμός μεγέθους 2.9 σε βάθος 7.4 χλμ

15 Sep 01:00 UTC: Πρώτα να αναφέρει: USGS after 3 λεπτά.
15 Sep 16:30: Magnitude recalculated from 3.0 to 2.9. Hypocenter depth recalculated from 6.1 to 7.4 km (from 3.8 to 4.6 mi). Epicenter location corrected by 0.5 km (0.3 mi) towards W.
Update Wed, 15 Sep 2021, 01:06

Magnitude 3.0 earthquake strikes near Van Nuys, Los Angeles County, California, USA

3.0 quake 14 Sep 5:57 pm (GMT -7)
3.0 quake 14 Sep 5:57 pm (GMT -7)
Just 8 minutes ago, a 3.0-magnitude earthquake struck near Van Nuys, Los Angeles County, California, USA. The tremor was recorded in the afternoon on Tuesday, September 14th, 2021, at 5:57 pm local time, at a very shallow depth of 3.8 miles below the surface.
The event was filed by the United States Geological Survey, the first seismological agency to report it.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 3.0 as well.
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 San Fernando (pop. 24,900) located 1 miles from the epicenter.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Valley Glen (pop. 60,000) located 8 miles from the epicenter, Van Nuys (pop. 136,400) 8 miles away, Northridge (pop. 68,500) 8 miles away, North Hollywood (pop. 77,800) 9 miles away, Santa Clarita (pop. 182,400) 9 miles away, Burbank (pop. 105,300) 11 miles away, and Universal City (pop. 105,000) 12 miles away. In Los Angeles (pop. 3,971,900, 20 miles away), the quake was probably not felt.

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Λεπτομέρειες σεισμού

Ημερομηνία και ώρα15 Sep 2021 00:57:35 UTC -
Τοπική ώρα στο επίκεντροΤρί, 14 Σεπ 2021 17:57 (GMT -7)
StatusΕπιβεβαιωμένος
Μέγεθος2.9
Βάθος7.4 km
Επίκεντρο γεωγραφικό πλάτος / γεωγραφικό μήκος34.2965°N / 118.43417°W (Κομητεία Λος Άντζελες, Καλιφόρνια, Ηνωμένες Πολιτείες)
Antipode34.297°S / 61.566°E
Ένταση δονήσεωνΑσθενής
Αισθητός18 αναφορές
Κύρια πηγή δεδομένωνUSGS (United States Geological Survey)
Πλησιέστερα ηφαίστειοLavic Lake (173 km / 107 mi)
Κοντινά μέρη2 km (1 mi) ΒΑ of San Fernando (Los Angeles County) (pop: 24,900) | Στον χάρτη | Σεισμοί κοντά
15 km (9 mi) ΝΑ of Santa Clarita (pop: 182,400) | Στον χάρτη | Σεισμοί κοντά
17 km (11 mi) ΒΔ of Μπέρμπανκ (pop: 105,300) | Στον χάρτη | Σεισμοί κοντά
32 km (20 mi) ΒΔ of Λος Άντζελες (pop: 3,971,900) | Στον χάρτη | Σεισμοί κοντά
550 km (341 mi) ΝΑ of Σακραμέντο (pop: 490,700) | Στον χάρτη | Σεισμοί κοντά
Ο καιρός στο επίκεντρο την ώρα του σεισμούClear Sky 25.6°C (78 F), humidity: 32%, wind: 0 m/s (1 kts) from S
Εκτιμώμενη εκλυόμενη σεισμική ενέργεια1.4 x 109 joules (392 kilowatt hours, ισοδυναμεί με 0.338 τόνους TNT) | about seismic energy
Διαδραστικός χάρτης
[μικρότερα] [μεγαλύτερα]

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
2.97.4 km2km NE of San Fernando, CAUSGS
2.715 kmGREATER LOS ANGELES AREA, CALIF.EMSC

Seismograms

Seismic station: Green Verdugo Site (DEC/CI network) | Distance from quake: 10 km / 6 mi | Show on map | Station Info
Seismic station Green Verdugo Site: 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
Δείτε περισσότερα

User reports for this quake (19)

At magnitude 2.9, this quake might have been felt very close to the epicenter and under calm conditions.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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NORTH HOLLYWOOD / Very weak shaking (MMI II) / single lateral shake / very short : It just felt like one jolt from west to east. I'm leaning against my car in the ground-level garage area and my car, the ground, and my cart in front of me all jolted in | 3 users found this interesting.  
Granada Hills / Light shaking (MMI IV) / single vertical bump / 2-5 s : I’m recovering from my heart surgery, so , I’m in bed, and I felt like somebody push the wall and move the bed, that was all | 2 users found this interesting.  
Sylmar CA / Weak shaking (MMI III) / rattling, vibrating / 1-2 s : noise from my shutters behind me, then movement on the floor by my feet, then the couch shook. | 2 users found this interesting.  
91411 / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Short horizontal shaking | 2 users found this interesting.  
North Hollywood / Weak shaking (MMI III) : Mild shaking for a few seconds | 2 users found this interesting.  
North Hills, CA (8 km SSW of epicenter) [Map] / Weak shaking (MMI III) / single vertical bump / 2-5 s : I heard a strong noise on the wall, and them the shacking | One user found this interesting.  
Northridge, CA / Weak shaking (MMI III) / single vertical bump / very short : It was a quick jolt. | One user found this interesting.  
Pacoima / Very weak shaking (MMI II) / 1-2 s : Small bump movement | One user found this interesting. (reported through our app)  
Santa Clarita CA (22.8 km NW of epicenter) [Map] / not felt : Nothing felt on the Castaic/Santa Clarita line  
pacoima (3.8 km S of epicenter) [Map] / Weak shaking (MMI III)
Van Nuys, CA / Light shaking (MMI IV) / single lateral shake / 1-2 s : A quick jolt with a rattle.  
Panorama City / Weak shaking (MMI III) / single vertical bump / 1-2 s : Lil movement not to mucj  
Van Nuys / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 s
Arleta / Weak shaking (MMI III) / rattling, vibrating / very short
Studio City / Very weak shaking (MMI II) / single lateral shake / 15-20 s
Porter Ranch / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
Northridge / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Pacoima ca / Weak shaking (MMI III) / single lateral shake / 1-2 s
Northridge / Weak shaking (MMI III) / rattling, vibrating / 1-2 s (reported through our app)

Earlier earthquakes in the same area

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