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Слабое землетрясение маг. 2.9 - 1.7 km к северу от Сан-Фернандо, Лос-Анджелес County, Калифорния, Соединенные Штаты, Вторник, 14 сен 2021 17:57 (GMT -7)

Слабое землетрясение маг. 2.9 - 1.7 km к северу от Сан-Фернандо, Лос-Анджелес County, Калифорния, Соединенные Штаты, Вторник, 14 сен 2021 17:57 (GMT -7) Слабое землетрясение маг. 2.9 - 1.7 km к северу от Сан-Фернандо, Лос-Анджелес County, Калифорния, Соединенные Штаты, Вторник, 14 сен 2021 17:57 (GMT -7)

Слабое землетрясение маг. 2.9 на глубине 7.4 км

15 Sep 01:00 UTC: Первым сообщить: USGS через 3 минут.
15 Sep 16:30: Величина пересчитана из 3.0 на 2.9. Глубина гипоцентра пересчитана из 6.1 на 7.4 km (от 3.8 на 4.6 mi). Местоположение эпицентра исправлено 0.5 km (0.3 mi) на З.
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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Подробности землетрясения

Дата и время15 Sep 2021 00:57:35 UTC
Местное время в эпицентреВторник, 14 сен 2021 17:57 (GMT -7)
СтатусПодтвержденный
Величина2.9
Глубина7.4 km
Эпицентр Широта / Долгота34.2965°N / 118.43417°W (Лос-Анджелес, Калифорния, Соединенные Штаты)
Сейсмический антипод34.297°S / 61.566°E
Интенсивность тряскиСлабая тряска
Ощутил18 отчетов
Источник данныхUSGS (United States Geological Survey)
Ближайшие вулканаLavic Lake (173 km / 107 mi)
Города поблизости2 km (1 mi) NNE of Сан-Фернандо (Los Angeles County) (pop: 24,900) | На карте | Землетрясения поблизости
15 km (9 mi) SE of Санта-Кларита (pop: 182,400) | На карте | Землетрясения поблизости
17 km (11 mi) NW of Бербанк (pop: 105,300) | На карте | Землетрясения поблизости
32 km (20 mi) NNW of Лос-Анджелес (pop: 3,971,900) | На карте | Землетрясения поблизости
550 km (341 mi) SSE of Сакраменто (pop: 490,700) | На карте | Землетрясения поблизости
Погода в эпицентре во время землетрясенияClear Sky 25.6°C (78 F), humidity: 32%, wind: 0 m/s (1 kts) from S
Высвобожденная сейсмическая энергия1.4 x 109 Дж (392 киловатт-часа, эквивалент 0.338 тонны тротила) | about seismic energy
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Данные по одному и тому же землетрясению, предоставленные разными агентствами

Информация: чем больше агентств сообщают об одном и том же землетрясении и публикуют похожие данные, тем больше у вас доверия к этим данным. Обычно требуется до нескольких часов, прежде чем параметры землетрясения будут рассчитаны с почти оптимальной точностью.
МагнитудаГлубинаМестоположениеИсточник
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 | Показать на карте | 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. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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Отчеты пользователей об этом землетрясении (19)

At magnitude 2.9, this quake might have been felt very close to the epicenter and under calm conditions.
В отчетах пользователей оценивается воспринимаемая интенсивность сотрясения земли согласно шкале Меркалли (Шкала Modified Mercalli Intensity, MMI).
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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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