Moderato terremoto magnitudine 5.6 - 127 Km SSW of Nikolski, Alaska, USA, domenica, 27 settembre 2020 -

Moderato terremoto magnitudine 5.6 - 127 Km SSW of Nikolski, Alaska, USA, domenica, 27 settembre 2020

Moderate magnitude 5.6 earthquake at 14 km depth

27 Sep 04:18 UTC: Primo a segnalare: USGS dopo 6 minuti.
27 Sep 04:32: Magnitudine ricalcolata da 5.2 a 5.6. Profondità ricalcolata da 34.0 a 13.8 km (da 21 a 8.6 mi). Posizione dell'epicentro corretta di 53 km (33 mi) al NNW.
Data & ora: 27 Sep 2020 04:12:17 UTC -
Ora locale a epicentro: 26 Sep 7:12 pm (GMT -9)
Magnitudine: 5.6
Profondità: 13.8 km
Epicentro latitudine / longitudine: 51,9341°N / 169,7665°W (Alaska, Stati Uniti)
Vulcano più vicino: Herbert (145 km / 90 mi)
Nearby towns and cities:
128 km SSW da Nikolski (Aleutians West County) (pop: 18)
305 km E da Atka (Aleutians West County) (pop: 64)
306 km SW da Unalaska (Aleutians West County) (pop: 4,490)
362 km SW da Akutan (Aleutians East County) (pop: 1,040)
471 km E da Adak (Aleutians West County) (pop: 332)
603 km WSW da King Cove (Aleutians East County) (pop: 1,010)
718 km WSW da Sand Point (Aleutians East County) (pop: 1,060)
2326 km W da Juneau (pop: 32,800)
Weather at epicenter at time of quake:
Broken Clouds 8.4°C (47 F), humidity: 75%, wind: 7 m/s (14 kts) from NNW
Fonte dati primaria: USGS
Stima dell'energia sismica liberata: 1,6 x 1013 joules (4,4 gigawatt hours, equivalent to 3788 tons of TNT or 0,2 atomic bombs!) [saperne di più]
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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.
MagnitudineProfonditàUbicazioneFonte
M 5.614 km127 Km SSW of Nikolski, Alaska, USAUSGS
M 5.719 kmFox Islands, Aleutian Islands, USAGFZ
M 5.810 kmFox Islands, Aleutian Islands, USAEMSC
M 5.940 kmFox Islands, Aleutian Islands, USABMKG
M 5.636 kmFox Islands, Aleutian Islands, USAGeoAu

User reports for this quake (5)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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884.5 km NE of epicenter [Map] / Weak shaking (MMI III) : Wasn't sure if it was an earthquake I felt. Felt table I was leaning on when sitting still next to it, and it did a shaking-vibrating motion for only 2 seconds. Looked back on the history of earthquakes near me that could have been felt to see if it could have been an earthquake that I really experienced, and it said I could have felt this one. The time aligns when I felt the table shake/vibrate. | 3 users found this interesting. (reported through our app)
FULLERTON (4565.4 km E of epicenter) [Map] / not felt
Mississippi / Violent shaking (MMI IX) / vibration and rolling : PLEASE READ!!! I’ve had dreams and visions in Advance that a short time later,PLEASE don’t ignore. I just dreamt today at around 4:00 CST that a very higher Earthquake is coming. It occurs in the daytime after a lull in activity the previous night. It will begin in New Mexico and go down a fault line all the way to San Francisco. It will buckle roadways very VERY badly. The roadways in I believe San Francisco... afterward people were living in campers everywhere. I apologize any inconvenienc | 2 users found this interesting.
Lacey, WA / not felt
Reno nv / not felt
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Aftershocks of the 5.6 quake 127 Km SSW of Nikolski, Alaska, USA, 26 Sep 7:12 pm (GMT -9)

More info
Recorded aftershocks, latest first (6 quakes):
  • 10 Oct 2020 06:41 UTC
    | M 4.8 |
    38.3 km (23.8 mi) depth
    |
    7 km (4 mi) distance
    | USGS | Details
  • 29 Sep 2020 01:15 UTC
    | M 4.3 |
    10 km (6.2 mi) depth
    |
    12 km (7 mi) distance
    | EMSC | Details
  • 28 Sep 2020 02:44 UTC
    | M 5.2 |
    10 km (6.2 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details
  • 27 Sep 2020 10:51 UTC
    | M 4.6 |
    10.6 km (6.6 mi) depth
    |
    7 km (4 mi) distance
    | USGS | Details
  • 27 Sep 2020 08:17 UTC
    | M 4.2 |
    39.4 km (24.5 mi) depth
    |
    19 km (12 mi) distance
    | USGS | Details
  • 27 Sep 2020 06:36 UTC
    | M 4.4 |
    23.5 km (14.6 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details

Earlier earthquakes in the same area since 1900

Moderate mag. 5.6 earthquake - 127 Km SSW of Nikolski, Alaska, USA, on 26 Sep 7:12 pm (GMT -9)

Map of earlier quakes

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