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Light mag. 4.5 earthquake - Rat Islands, Aleutian Islands, Alaska, USA on Thursday, 24 September 2020

Light mag. 4.5 earthquake  - Rat Islands, Aleutian Islands, Alaska, USA on Thursday, 24 September 2020
24 Sep 19:45 UTC: First to report: GFZ after 22 minutes.
24 Sep 20:52: Now using data updates from USGS
25 Sep 12:58: Magnitude recalculated from 4.3 to 4.5. Hypocenter depth recalculated from 46.0 to 59.3 km (from 29 to 37 mi). Epicenter location corrected by 6 km (3.7 mi) towards NNE.
Date & time: Thursday, 24 September 2020 19:23 UTC
Magnitude: 4.5
Depth: 59.3 km
Epicenter latitude / longitude: 51.4832°N / 177.8437°E (Alaska, United States)
Nearest volcano: Segula (28 km / 17 mi)
Weather at epicenter at time of quake:
Overcast Clouds 6.7°C (44 F), humidity: 84%, wind: 8 m/s (16 kts) from NE
Primary data source: USGS
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 tons of TNT) [learn more]
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.
TimeMag. / DepthLocationSource
Thu, 24 Sep 19:23 UTCM 4.5 / 59.3 kmRat Islands, Aleutian Islands, Alaska, USAUSGS
Thu, 24 Sep 19:23 UTCM 4.9 / 60 kmRat Islands, Aleutian Islands, USAEMSC
24 Sep 10:23 am (GMT -9) (24 Sep 19:23:16 UTC)M 4.9 / 10 kmRat Islands, Aleutian Islands, USAGFZ

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!

Earlier earthquakes in the same area since 1900

Light mag. 4.5 earthquake - Rat Islands, Aleutian Islands, Alaska, USA on Thursday, 24 September 2020

Map of earlier quakes

 

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