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Умеренное землетрясение маг. 4.9 - 87 km к востоку от Палмер, Матануска-Суситна, Аляска, Соединенные Штаты, Четверг, 6 окт 2022 12:43 (GMT -8) -

Умеренное землетрясение маг. 4.9 - 87 km к востоку от Палмер, Матануска-Суситна, Аляска, Соединенные Штаты, Четверг,  6 окт 2022 12:43 (GMT -8) Умеренное землетрясение маг. 4.9 - 87 km к востоку от Палмер, Матануска-Суситна, Аляска, Соединенные Штаты, Четверг,  6 окт 2022 12:43 (GMT -8)

Умеренное землетрясение маг. 4.9 на глубине 35 км

6 Oct 20:45 UTC: Первым сообщить: USGS через 2 минут.
6 Oct 20:53: Глубина гипоцентра пересчитана из 34.8 на 34.9 km (от 22 на 22 mi). Местоположение эпицентра исправлено 1.4 km (0.9 mi) на СВ.
Update Thu, 6 Oct 2022, 20:51

Moderate magnitude 4.9 quake hits 53 miles northeast of Palmer, Alaska, United States around noon

4.9 quake 6 Oct 12:43 pm (GMT -8)
4.9 quake 6 Oct 12:43 pm (GMT -8)
A moderately shallow magnitude 4.9 earthquake was reported around noon near Palmer, Matanuska-Susitna, Alaska, USA.
According to the United States Geological Survey, the quake hit on Thursday, October 6th, 2022, at 12:43 pm local time at a moderately shallow depth of 22 miles. 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 Incorporated Research Institutions for Seismology (IRIS) which listed the quake at magnitude 4.9 as well. Other agencies reporting the same quake include the citizen-seismograph network of RaspberryShake at magnitude 4.9, and the European-Mediterranean Seismological Centre (EMSC) at magnitude 5.5.
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 Glacier View (pop. 230) located 3 miles from the epicenter, Sutton-Alpine (pop. 1,400) 39 miles away, Lazy Mountain (pop. 1,500) 47 miles away, Butte (pop. 3,200) 52 miles away, Palmer (pop. 6,800) 53 miles away, Fishhook (pop. 4,700) 55 miles away, Gateway (pop. 5,600) 58 miles away, and Lakes (pop. 8,400) 59 miles away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Eagle River (pop. 24,800) located 75 miles from the epicenter.
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 время6 Oct 2022 20:43:13 UTC -
Местное время в эпицентреЧетверг, 6 окт 2022 12:43 (GMT -8)
СтатусПодтвержденный
Величина4.9
Глубина34.9 km
Эпицентр Широта / Долгота61.8387°N / 147.5485°W (Матануска-Суситна, Аляска, Соединенные Штаты)
Сейсмический антипод61.839°S / 32.452°E
Интенсивность тряскиСлабая тряска
Ощутил48 отчетов
Источник данныхUSGS (United States Geological Survey)
Ближайшие вулканаWrangell (186 km / 116 mi)
Города поблизости6 km (4 mi) ENE of Glacier View (pop: 234) | На карте | Землетрясения поблизости
64 km (40 mi) E of Sutton-Alpine (pop: 1,450) | На карте | Землетрясения поблизости
87 km (54 mi) ENE of Палмер (pop: 6,790) | На карте | Землетрясения поблизости
89 km (56 mi) E of Fishhook (pop: 4,680) | На карте | Землетрясения поблизости
96 km (60 mi) ENE of Уасилла (pop: 8,360) | На карте | Землетрясения поблизости
121 km (75 mi) ENE of Eagle River (pop: 24,800) | На карте | Землетрясения поблизости
121 km (75 mi) ENE of Eagle River (Anchorage) (pop: 24,800) | На карте | Землетрясения поблизости
143 km (89 mi) ENE of Анкоридж (pop: 298,700) | На карте | Землетрясения поблизости
Погода в эпицентре во время землетрясенияFew Clouds 1.6°C (35 F), humidity: 72%, wind: 2 m/s (5 kts) from SW
Высвобожденная сейсмическая энергия1.4 x 1012 Дж (392 мегаватт-часа, эквивалент 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
4.935 kmSouthern AlaskaUSGS
4.849 kmSOUTHERN ALASKAEMSC
4.935 kmSouthern AlaskaRaspberryShake
4.910 kmSouthern AlaskaIRIS
4.841 kmSouthern AlaskaGFZ

Seismograms

Seismic station: Glacier View, AK, USA (M23K/AK network) | Distance from quake: 11 km / 7 mi | Показать на карте | Station Info
Seismic station Glacier View, 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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Отчеты пользователей об этом землетрясении (49)

В отчетах пользователей оценивается воспринимаемая интенсивность сотрясения земли согласно шкале Меркалли (Шкала Modified Mercalli Intensity, MMI).
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Eagle River, Anchorage, Alaska (121.2 km WSW of epicenter) [Map] / Light shaking (MMI IV) : Was laying down watching tv, walls and sofa started to shake felt like vigours. Only lasted about 5 seconds. | One user found this interesting.  
near Alaska City, Anchorage (141.6 km WSW of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 5-10 s : Staybridge Suites 3rd floor room.shaking side to side also forward and aft sitting on couch | 2 users found this interesting.  
30 km of Susitna North, Matanuska-Susitna, Alaska (135 km WNW of epicenter) [Map] / Weak shaking (MMI III) / vibration and rolling / 2-5 s : Just felt like when a tree would fall on the ground and bounce | 2 users found this interesting. (reported through our app)  
Eagle River AK / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : I was sitting on my couch downstairs and felt the couch shake, heard a rumbling noise and thought it was my big dogs upstairs but noticed they were downstairs. | One user found this interesting.  
Wasilla, Matanuska-Susitna, Alaska (104.9 km WSW of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / very short : I was asleep but it felt like a jolt that caused me sit sit up quickly and reach for my dog to be ready to take cover if it continued  
Anchorage Alaska 99507, mid town / not felt / single lateral shake / 1-2 s : Yes I felt it. Was in shower, the shower caddi fell. | 2 users found this interesting. (reported through our app)  
Anchorage / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s : It felt long in its roll and subtle. No jolts. | One user found this interesting.  
Eagle River / Moderate shaking (MMI V) / single vertical bump / 1-2 s : It felt like the house dropped 2 feet down. | One user found this interesting.  
Anchorage (143.1 km WSW of epicenter) [Map] / Very weak shaking (MMI II) / vibration and rolling / 5-10 s
Palmer Alaska (86.8 km WSW of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / very short : It felt like a light quick shake that woke me up. I’m a day sleeper.  
Hope (152.4 km SW of epicenter) [Map] / Light shaking (MMI IV) / simple rolling (tilting sideways along one direction) / 30-60 s
Palmer Alaska (86.8 km WSW of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / very short : It felt like a light quick shake that woke me up. I’m a day sleeper.  
Anchorage, ak (148.8 km WSW of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 1-2 s : Fronds of my potted fern trembled for ~10 seconds after shaking stopped.  
ANC (3.2 km SE of epicenter) [Map] / Very weak shaking (MMI II)
Alaska City, Anchorage (135.7 km WSW of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s (reported through our app)
Eagle River (120.7 km WSW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Light to moderate. (reported through our app)  
gateway, ak (97.3 km WSW of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 2-5 s : Shook objects and window blinds laterally.  
Palmer, Ak (57 km SW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
99503 (139.1 km WSW of epicenter) [Map] / Weak shaking (MMI III) : rocking in my chair. office shook like waving back and forth  
anchorage (121.3 km WSW of epicenter) [Map] / Light shaking (MMI IV) / 1-2 s : In my office. Felt a very strong brief shaking.  
Wasilla, AK (100.9 km WSW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
Wasilla (97.3 km WSW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 10-15 s : Pipes and toilet in bathroom shaking  
Knik-Fairview, Matanuska-Susitna, Alaska (123.2 km WSW of epicenter) [Map] / Light shaking (MMI IV) / vibration and rolling / 15-20 s (reported through our app)
Valdez, AK / Moderate shaking (MMI V) / vibration and rolling / 1-2 s
Wasilla, Alaska / Very weak shaking (MMI II) / 5-10 s : Subtle movement of dining room, chandelier barely swinging.  
Wasilla / Very weak shaking (MMI II) / both vertical and horizontal swinging / 2-5 s (reported through our app)
Anchorage / Very weak shaking (MMI II) / single vertical bump / 1-2 s (reported through our app)
Anchorage / Light shaking (MMI IV) / single lateral shake / 5-10 s (reported through our app)
Jber / Weak shaking (MMI III) / single lateral shake : Jolt (reported through our app)  
99645 / Light shaking (MMI IV) / 1-2 s
Anchorage / Weak shaking (MMI III) / 2-5 s (reported through our app)
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Earlier earthquakes in the same area

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