Sismo leggero mag. 4.5 - Bering Sea, 50 km a nord est da Akutan, Aleutians East County, Alaska, Stati Uniti, giovedì, 05 novembre 2020 -
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Sismo leggero magnitudine 4.5 at 120 km depth
5 Nov 17:14 UTC: Primo a segnalare: EMSC dopo 56 minuti.
5 Nov 17:14: Ora utilizzando nuova fonte di dati: USGS
5 Nov 17:44: Magnitudine ricalcolata da 4.2 a 4.5. Profondità ricalcolata da 108.6 a 120.2 km (da 67 a 75 mi). Posizione dell'epicentro corretta di 4.4 km (2.7 mi) al N.
5 Nov 17:14: Ora utilizzando nuova fonte di dati: USGS
5 Nov 17:44: Magnitudine ricalcolata da 4.2 a 4.5. Profondità ricalcolata da 108.6 a 120.2 km (da 67 a 75 mi). Posizione dell'epicentro corretta di 4.4 km (2.7 mi) al N.
Update Thu, 5 Nov 2020, 17:15
Light magnitude 4.2 quake hits 29 miles northeast of Akutan, Aleutian Islands4.2 quake FOX ISLANDS, ALEUTIAN ISLANDS, USA, 5 Nov 7.17 am (GMT -9)
Just 57 minutes ago, a 4.2-magnitude earthquake struck near the town of Akutan in the Aleutian Islands. The tremor was recorded in the morning on Thursday 5 November 2020 at 7.17 am local time, at an intermediate depth of 67 miles below the surface.
The event was filed by the United States Geological Survey (USGS), the first seismological agency to report it.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 4.2 earthquake as well.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Akutan (pop. 1000) located 29 miles from the epicenter.
The event was filed by the United States Geological Survey (USGS), the first seismological agency to report it.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 4.2 earthquake as well.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Akutan (pop. 1000) located 29 miles from the epicenter.
Earthquake data:
Data & ora: 5 Nov 2020 16:17:44 UTC -
Ora locale a epicentro: giovedì, 5 nov 2020 07:17 (GMT -9)
Magnitudine: 4.5
Profondità: 120.2 km
Epicentro latitudine / longitudine: 54.5049°N / 165.3297°W

Vulcano più vicino: Westdahl (44 km / 27 mi)
Nearby towns and cities:
50 km NE da Akutan (pop: 1,040) --> Vedi sismi vicini
105 km NE da Isola di Unalaska (pop: 4,490) --> Vedi sismi vicini
129 km OSO da False Pass (pop: 40) --> Vedi sismi vicini
183 km OSO da Cold Bay (pop: 123) --> Vedi sismi vicini
203 km OSO da King Cove (pop: 1,010) --> Vedi sismi vicini
290 km NE da Nikolski (pop: 18) --> Vedi sismi vicini
310 km OSO da Nelson Lagoon (pop: 52) --> Vedi sismi vicini
322 km OSO da Sand Point (pop: 1,060) --> Vedi sismi vicini
422 km OSO da Perryville (pop: 113) --> Vedi sismi vicini
458 km OSO da Chignik Lake (pop: 73) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Overcast Clouds
8°C (46 F), humidity: 87%, wind: 18 m/s (35 kts) from SSW
Fonte dati primaria: USGS (United States Geological Survey)Overcast Clouds

Stima dell'energia sismica liberata: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 tons of TNT) More info
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.
Magnitudine | Profondità | Ubicazione | Fonte |
M 4.5 | 120 km | 50 Km NE of Akutan, Alaska, USA | USGS |
M 4.5 | 120 km | 47 Km NE of Akutan, Alaska, USA | EMSC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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There are no user reports for this quake yet. If you felt it Earlier earthquakes in the same area since 1900
- Date / time UTC| Mag |Profondità|Age|Distanza| Details
- 01 Apr 1946 12:29| 8.6 |15km / 9.3mi|75 anni fa|198km / 123mi| North Pacific Ocean, 154 mi E of Unalaska, Aleutians West (CA) County, Alaska, USA
- 02 Jul 1965 20:58| 7.8 |45km / 28mi|56 anni fa|231km / 144mi| Bering Sea, 28 mi S of Breed Island, Aleutians West County, Alaska, USA
- 22 Mar 1957 14:21| 7.1 |47km / 29mi|64 anni fa|86km / 53mi| Bering Sea, 13 mi SE of Egg Island, Aleutians West County, Alaska, USA
- 27 Jul 1944 00:04| 7.1 |70km / 43mi|77 anni fa|57km / 36mi| Bering Sea, 3.4 mi SE of Rootok Island, Aleutians East County, Alaska, USA
- 30 May 1991 13:17| 7.0 |28km / 18mi|30 anni fa|240km / 149mi| Gulf of Alaska, 31 mi E of Cherni Island, Aleutians East County, Alaska, USA
- 09 Sep 1942 01:25| 6.9 |80km / 50mi|79 anni fa|118km / 73mi| Bering Sea, 23 mi SE of Sedanka Island, Aleutians West County, Alaska, USA
- 19 Feb 2003 03:32| 6.6 |19km / 11.8mi|18 anni fa|106km / 66mi| North Pacific Ocean, 35 mi SE of Tigalda Island, Aleutians East County, Alaska, USA
- 19 Nov 1993 01:43| 6.5 |30km / 19mi|27 anni fa|79km / 49mi| Bering Sea, 33 mi S of Unimak Island, Aleutians East County, Alaska, USA
- 06 Feb 1974 04:04| 6.5 |2km / 1.2mi|47 anni fa|89km / 56mi| North Pacific Ocean, 26 mi SE of Tigalda Island, Aleutians East County, Alaska, USA
- 30 Oct 1946 07:47| 6.5 |30km / 19mi|74 anni fa|91km / 57mi| North Pacific Ocean, 27 mi SE of Tigalda Island, Aleutians East County, Alaska, USA
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