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Ελαφρύς σεισμός μεγέθους 4.1 - 65 km ανατολικά από Sutton-Alpine, Matanuska-Susitna, Αλάσκα, Ηνωμένες Πολιτείες, Πέμπτη, 6 Οκτ 2022 11:30 (GMT -8) -

Ελαφρύς σεισμός μεγέθους 4.1 - 65 km ανατολικά από Sutton-Alpine, Matanuska-Susitna, Αλάσκα, Ηνωμένες Πολιτείες, Πέμπτη,  6 Οκτ 2022 11:30 (GMT -8) Ελαφρύς σεισμός μεγέθους 4.1 - 65 km ανατολικά από Sutton-Alpine, Matanuska-Susitna, Αλάσκα, Ηνωμένες Πολιτείες, Πέμπτη,  6 Οκτ 2022 11:30 (GMT -8)

Ελαφρύς σεισμός μεγέθους 4.1 σε βάθος 29 χλμ

6 Oct 19:33 UTC: Πρώτα να αναφέρει: USGS after 2 λεπτά.
6 Oct 19:40: Magnitude recalculated from 4.3 to 4.1. Hypocenter depth recalculated from 35.6 to 28.9 km (from 22 to 18 mi). Epicenter location corrected by 1.8 km (1.1 mi) towards NE.
Update Thu, 6 Oct 2022, 19:39

Moderate 4.3 quake hits near Sutton-Alpine, Matanuska-Susitna, Alaska, USA

4.3 quake 6 Oct 11:30 am (GMT -8)
4.3 quake 6 Oct 11:30 am (GMT -8)
A magnitude 4.3 earthquake near Sutton-Alpine, Matanuska-Susitna, Alaska, USA, was reported only 8 minutes ago by the United States Geological Survey, considered the key international and national agency that monitors seismic activity in the US. The earthquake occurred at a moderately shallow depth of 22 miles beneath the epicenter in the morning on Thursday, October 6th, 2022, at 11:30 am 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.
Our monitoring service identified a second report from The Incorporated Research Institutions for Seismology (IRIS) which listed the quake at magnitude 4.3 as well. Other agencies reporting the same quake include the citizen-seismograph network of RaspberryShake at magnitude 4.3, and the European-Mediterranean Seismological Centre (EMSC) at magnitude 4.3.
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 4 miles from the epicenter.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Sutton-Alpine (pop. 1,400) located 39 miles from the epicenter, 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.
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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Λεπτομέρειες σεισμού

Ημερομηνία και ώρα6 Oct 2022 19:30:50 UTC -
Τοπική ώρα στο επίκεντροΠέμ, 6 Οκτ 2022 11:30 (GMT -8)
StatusΕπιβεβαιωμένος
Μέγεθος4.1
Βάθος28.9 km
Επίκεντρο γεωγραφικό πλάτος / γεωγραφικό μήκος61.8518°N / 147.5401°W (Matanuska-Susitna, Αλάσκα, Ηνωμένες Πολιτείες)
Antipode61.852°S / 32.46°E
Ένταση δονήσεωνΑσθενής
Αισθητός6 αναφορές
Κύρια πηγή δεδομένωνUSGS (United States Geological Survey)
Πλησιέστερα ηφαίστειοWrangell (185 km / 115 mi)
Κοντινά μέρη8 km (5 mi) ΒΑ of Glacier View (pop: 234) | Στον χάρτη | Σεισμοί κοντά
65 km (40 mi) Α of Sutton-Alpine (pop: 1,450) | Στον χάρτη | Σεισμοί κοντά
88 km (54 mi) ΒΑ of Palmer (pop: 6,790) | Στον χάρτη | Σεισμοί κοντά
90 km (56 mi) Α of Fishhook (pop: 4,680) | Στον χάρτη | Σεισμοί κοντά
97 km (60 mi) ΒΑ of Lakes (pop: 8,360) | Στον χάρτη | Σεισμοί κοντά
122 km (76 mi) ΒΑ of Eagle River (pop: 24,800) | Στον χάρτη | Σεισμοί κοντά
122 km (76 mi) ΒΑ of Eagle River (Anchorage) (pop: 24,800) | Στον χάρτη | Σεισμοί κοντά
144 km (89 mi) ΒΑ of Ανκορέιτζ (pop: 298,700) | Στον χάρτη | Σεισμοί κοντά
Ο καιρός στο επίκεντρο την ώρα του σεισμούScattered Clouds 3.7°C (39 F), humidity: 75%, wind: 2 m/s (4 kts) from SW
Εκτιμώμενη εκλυόμενη σεισμική ενέργεια8.9 x 1010 joules (24.8 megawatt hours, ισοδυναμεί με 21.3 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
4.129 km7 Km NE of Glacier View, AlaskaUSGS
4.336 kmSOUTHERN ALASKAEMSC
4.129 kmSouthern AlaskaRaspberryShake
4.310 kmSouthern AlaskaIRIS

Seismograms

Seismic station: Sheep Mountain, AK, USA (SCM/AK network) | Distance from quake: 11 km / 7 mi | Show on map | Station Info
Seismic station Sheep Mountain, 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
Δείτε περισσότερα

User reports for this quake (6)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Translate
50 km of Sutton-Alpine, Matanuska-Susitna, Alaska (15.3 km W of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Wasilla Alaska / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s
Anchorage, Alaska / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
GIRDWOOD / Weak shaking (MMI III) / 1-2 s (reported through our app)
99504 / Weak shaking (MMI III) / simple rolling (tilting sideways along one direction) / very short
Wasilla / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s

Earlier earthquakes in the same area

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