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Слабое землетрясение маг. 4.5 - 19 km к юго-западу от Susitna North, Матануска-Суситна, Аляска, Соединенные Штаты, Четверг, 26 ноя 2020 12:12 (GMT -9)

Слабое землетрясение маг. 4.5 на глубине 40 км

26 Nov 21:16 UTC: Первым сообщить: USGS через 4 минут.
26 Nov 21:20: Глубина гипоцентра пересчитана из 33.5 на 33.7 km (от 21 на 21 mi).
26 Nov 21:25: Глубина гипоцентра пересчитана из 33.7 на 40.3 km (от 21 на 25 mi).
26 Nov 21:31: Глубина гипоцентра пересчитана из 40.3 на 39.7 km (от 25 на 25 mi). Местоположение эпицентра исправлено 3.4 km (2.1 mi) на NNW.

Update Thu, 26 Nov 2020, 21:18

Light magnitude 4.5 quake hits 53 miles north of Anchorage, Alaska around noon

4.5 quake 26 Nov 12:12 pm (GMT -9)

An earthquake of magnitude 4.5 occurred only 6 minutes ago 53 miles north of Anchorage, Alaska, the United States Geological Survey (USGS) reported.
The quake hit at a moderately shallow depth of 21 miles beneath the epicenter near Susitna North around noon on Thursday 26 November 2020 at 12.12 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.
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 Susitna North (pop. 1,300) located 13 miles from the epicenter, Willow (pop. 2,100) 17 miles away, Talkeetna (pop. 900) 24 miles away, Trapper Creek (pop. 500) 24 miles away, Meadow Lakes (pop. 2,200) 25 miles away, Elmendorf Air Force Base (pop. 24,800) 48 miles away, Eagle River (pop. 24,800) 48 miles away, and Anchorage (pop. 298,700) 53 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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Подробности землетрясения

Дата и время	26 Nov 2020 21:12:10 UTC
Местное время в эпицентре	Четверг, 26 ноя 2020 12:12 (GMT -9)
Статус	Подтвержденный
Величина	4.5
Глубина	39.7 km
Эпицентр Широта / Долгота	62.0119°N / 150.0177°W (Матануска-Суситна, Аляска, Соединенные Штаты)
Сейсмический антипод	62.012°S / 29.982°E
Интенсивность тряски	Легкая тряска
Ощутил	8 отчетов
Источник данных	USGS (United States Geological Survey)
Ближайшие вулкана	Hayes (135 km / 84 mi)
Города поблизости	19 km (12 mi) SSW of Susitna North (pop: 1,260) \| На карте \| Землетрясения поблизости 29 km (18 mi) N of Willow Creek (pop: 2,100) \| На карте \| Землетрясения поблизости 44 km (27 mi) NNW of Хьюстон (pop: 2,210) \| На карте \| Землетрясения поблизости 48 km (30 mi) NNW of Meadow Lakes (pop: 7,570) \| На карте \| Землетрясения поблизости 51 km (31 mi) NW of Fishhook (pop: 4,680) \| На карте \| Землетрясения поблизости 58 km (36 mi) NW of Уасилла (pop: 8,360) \| На карте \| Землетрясения поблизости 60 km (37 mi) NNW of Knik-Fairview (pop: 14,900) \| На карте \| Землетрясения поблизости 80 km (50 mi) NNW of Eagle River (pop: 24,800) \| На карте \| Землетрясения поблизости 80 km (50 mi) NNW of Eagle River (Anchorage) (pop: 24,800) \| На карте \| Землетрясения поблизости 89 km (55 mi) N of Анкоридж (pop: 298,700) \| На карте \| Землетрясения поблизости
Погода в эпицентре во время землетрясения	Overcast Clouds -2.8°C (27 F), humidity: 90%, wind: 2 m/s (3 kts) from SSE
Высвобожденная сейсмическая энергия	3.5 x 10¹¹ Дж (98.6 мегаватт-часов, эквивалент 84.8 тонн 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.

Магнитуда	Глубина	Местоположение	Источник
4.5	40 km	18 Km SSW of Susitna North, Alaska, USA	USGS
4.8	54 km	Central Alaska, USA	GFZ

Последние землетрясения 20 лучших за последние 24 часа Quakes in the US Аляска и Алеутские острова

Seismograms

Seismic station: Chulitna, AK, USA (CUT/AK network) | Distance from quake: 46 km / 28 mi | Показать на карте | Station Info

Seismic station Chulitna, AK, 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. Bandpass filter applied: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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Seismic station Chulitna, AK, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Chulitna, AK, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Rabbit Creek, AK, USA (RC01/AK network) | Distance from quake: 104 km / 64 mi | Показать на карте | Station Info

Seismic station Rabbit Creek, AK, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Rabbit Creek, AK, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Rabbit Creek, AK, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Redoubt, Jurgen's Hut, Redoubt Alaska (RDJH/AV network) | Distance from quake: 217 km / 135 mi | Показать на карте | Station Info

Seismic station Redoubt, Jurgen's Hut, Redoubt Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Redoubt, Jurgen's Hut, Redoubt Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Redoubt, Jurgen's Hut, Redoubt Alaska: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Barnard Glacier, AK, USA (BARN/AK network) | Distance from quake: 455 km / 283 mi | Показать на карте | Station Info

Seismic station Barnard Glacier, AK, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Barnard Glacier, AK, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Barnard Glacier, AK, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Jago River, AK, USA (C27K/AK network) | Distance from quake: 893 km / 555 mi | Показать на карте | Station Info

Seismic station Jago River, AK, 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. Bandpass filter applied: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station Jago River, AK, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Jago River, AK, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Отчеты пользователей об этом землетрясении (8)

В отчетах пользователей оценивается воспринимаемая интенсивность сотрясения земли согласно шкале Меркалли (Шкала Modified Mercalli Intensity, MMI).

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near Susitna North, Matanuska-Susitna, Alaska (6.6 km NNW of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s : Very light shaking, increasing to like a wiggle with a little jerk. Definitely felt, and heard creaking. | One user found this interesting.

Anchorage / Very weak shaking (MMI II) / rattling, vibrating / 5-10 s : Was sitting on the bed on the 4th floor of my hotel room | One user found this interesting.

near Alaska City, Anchorage (99.9 km S of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)

Lakes, Matanuska-Susitna, Alaska (60.9 km SE of epicenter) [Map] / Light shaking (MMI IV)

BIG LAKE (57 km S of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)

Tanaina, Alaska (50.2 km SE of epicenter) [Map] / Light shaking (MMI IV)

Girdwood, Anchorage, Alaska (125.6 km SSE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)

Talkeetna / Light shaking (MMI IV)

Earlier earthquakes in the same area

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