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Moderato terremoto magnitudine 5.7 - Unimak Island region, Alaska (USA) giovedí, 13 agosto 2020

Moderato terremoto magnitudine 5.7 - Unimak Island region, Alaska (USA) giovedí, 13 agosto 2020
13 Aug 06:45 UTC: Primo a segnalare: USGS dopo 5 minuti.
Aug 13 06:56: Magnitudine ricalcolata da 5.4 a 5.6.
Profondità ricalcolata da 64.0 a 12.7 km.
Aug 13 16:38: Magnitudine ricalcolata da 5.6 a 5.7.
Profondità ricalcolata da 12.7 a 10.4 km.
Data & ora: Thursday, 13 August 2020 06:39 UTC
Magnitudine: 5.7
Profondità: 10.4 km
Epicentro latitudine / longitudine: 53.42°N / 163.6973°W (Alaska, United States)
Vulcano più vicino: Westdahl (148 km / 92 mi)
Nearby towns and cities:
158 km SE da Akutan (pop: 1000)
161 km S da False Pass (pop: 0)
194 km SE da Unalaska (pop: 4,500)
195 km SE da Dutch Harbor (pop: 4,400)
Fonte dati primaria: USGS
Stima dell'energia sismica liberata: 2.2 x 1013 joules (6.22 gigawatt hours, equivalent to 5351 tons of TNT or 0.3 atomic bombs!) [saperne di più]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
Data / oraMag. / ProfonditàUbicazioneFonte
Thu, 13 Aug 06:39 UTCM 5.7 / 10.4 kmUnimak Island region, Alaska (USA)USGS
Thu, 13 Aug 06:40 UTCM 5.6 / 26 kmUnimak Island Region, Alaska (USA)GFZ
Thu, 13 Aug 06:39 UTCM 5.7 / 10 kmUnimak Island Region, Alaska (USA)EMSC
Thu, 13 Aug 06:39 UTCM 5.7 / 10 kmUnimak Island Region, Alaska (USA)BMKG
Thu, 13 Aug 06:40 UTCM 5.4 / 27.8 kmUnimak Island Region, Alaska (USA)GeoAu

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Westchester, NY / not felt

Aftershocks of the 5.7 quake: Unimak Island region, Alaska (USA), 13 Aug 2020 06:39

More info
Recorded aftershocks, latest first (10 quakes):
  • 21 Sep 2020 02:51 UTC
    | M 3.0 |
    38.9 km (24.2 mi) depth
    |
    12 km (8 mi) distance
    | USGS | Details
  • 09 Sep 2020 08:01 UTC
    | M 2.2 |
    41.4 km (25.7 mi) depth
    |
    24 km (15 mi) distance
    | USGS | Details
  • 23 Aug 2020 22:40 UTC
    | M 4.5 |
    35 km (21.7 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 15 Aug 2020 14:35 UTC
    | M 2.2 |
    63.3 km (39.3 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details
  • 15 Aug 2020 08:38 UTC
    | M 4.0 |
    10 km (6.2 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 15 Aug 2020 04:12 UTC
    | M 3.7 |
    35 km (21.7 mi) depth
    |
    26 km (16 mi) distance
    | USGS | Details
  • 13 Aug 2020 07:52 UTC
    | M 3.6 |
    10 km (6.2 mi) depth
    |
    34 km (21 mi) distance
    | USGS | Details
  • 13 Aug 2020 07:27 UTC
    | M 3.0 |
    26.4 km (16.4 mi) depth
    |
    4 km (2 mi) distance
    | USGS | Details
  • 13 Aug 2020 07:01 UTC
    | M 3.2 |
    25.3 km (15.7 mi) depth
    |
    5 km (3 mi) distance
    | USGS | Details
  • 13 Aug 2020 06:59 UTC
    | M 2.8 |
    9.8 km (6.1 mi) depth
    |
    8 km (5 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Moderate mag. 5.7 earthquake - Unimak Island region, Alaska (USA) on Thursday, 13 August 2020
 

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