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Ελαφρύς σεισμός μεγέθους 4.5 - 19 km νοτιοδυτικά από Susitna North, Matanuska-Susitna, Αλάσκα, Ηνωμένες Πολιτείες, Πέμπτη, 26 Νοε 2020 12:12 (GMT -9)

Ελαφρύς σεισμός μεγέθους 4.5 - 19 km νοτιοδυτικά από Susitna North, Matanuska-Susitna, Αλάσκα, Ηνωμένες Πολιτείες, Πέμπτη, 26 Νοε 2020 12:12 (GMT -9) Ελαφρύς σεισμός μεγέθους 4.5 - 19 km νοτιοδυτικά από Susitna North, Matanuska-Susitna, Αλάσκα, Ηνωμένες Πολιτείες, Πέμπτη, 26 Νοε 2020 12:12 (GMT -9)

Ελαφρύς σεισμός μεγέθους 4.5 σε βάθος 40 χλμ

26 Nov 21:16 UTC: Πρώτα να αναφέρει: USGS after 4 λεπτά.
26 Nov 21:20: Hypocenter depth recalculated from 33.5 to 33.7 km (from 21 to 21 mi).
26 Nov 21:25: Hypocenter depth recalculated from 33.7 to 40.3 km (from 21 to 25 mi).
26 Nov 21:31: Hypocenter depth recalculated from 40.3 to 39.7 km (from 25 to 25 mi). Epicenter location corrected by 3.4 km (2.1 mi) towards 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)
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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Λεπτομέρειες σεισμού

Ημερομηνία και ώρα26 Nov 2020 21:12:10 UTC
Τοπική ώρα στο επίκεντροΠέμ, 26 Νοε 2020 12:12 (GMT -9)
StatusΕπιβεβαιωμένος
Μέγεθος4.5
Βάθος39.7 km
Επίκεντρο γεωγραφικό πλάτος / γεωγραφικό μήκος62.0119°N / 150.0177°W (Matanuska-Susitna, Αλάσκα, Ηνωμένες Πολιτείες)
Antipode62.012°S / 29.982°E
Ένταση δονήσεωνMέτριος
Αισθητός8 αναφορές
Κύρια πηγή δεδομένωνUSGS (United States Geological Survey)
Πλησιέστερα ηφαίστειοHayes (135 km / 84 mi)
Κοντινά μέρη19 km (12 mi) ΝΔ of Susitna North (pop: 1,260) | Στον χάρτη | Σεισμοί κοντά
29 km (18 mi) Β of Willow Creek (pop: 2,100) | Στον χάρτη | Σεισμοί κοντά
44 km (27 mi) ΒΔ of Houston (pop: 2,210) | Στον χάρτη | Σεισμοί κοντά
48 km (30 mi) ΒΔ of Meadow Lakes (pop: 7,570) | Στον χάρτη | Σεισμοί κοντά
51 km (31 mi) ΒΔ of Fishhook (pop: 4,680) | Στον χάρτη | Σεισμοί κοντά
58 km (36 mi) ΒΔ of Lakes (pop: 8,360) | Στον χάρτη | Σεισμοί κοντά
60 km (37 mi) ΒΔ of Knik-Fairview (pop: 14,900) | Στον χάρτη | Σεισμοί κοντά
80 km (50 mi) ΒΔ of Eagle River (pop: 24,800) | Στον χάρτη | Σεισμοί κοντά
80 km (50 mi) ΒΔ of Eagle River (Anchorage) (pop: 24,800) | Στον χάρτη | Σεισμοί κοντά
89 km (55 mi) Β of Ανκορέιτζ (pop: 298,700) | Στον χάρτη | Σεισμοί κοντά
Ο καιρός στο επίκεντρο την ώρα του σεισμούOvercast Clouds -2.8°C (27 F), humidity: 90%, wind: 2 m/s (3 kts) from SSE
Εκτιμώμενη εκλυόμενη σεισμική ενέργεια3.5 x 1011 joules (98.6 megawatt hours, ισοδυναμεί με 84.8 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
4.540 km18 Km SSW of Susitna North, Alaska, USAUSGS
4.854 kmCentral Alaska, USAGFZ

Seismograms

Seismic station: Chulitna, AK, USA (CUT/AK network) | Distance from quake: 46 km / 28 mi | Show on map | 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
Δείτε περισσότερα

User reports for this quake (8)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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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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