Moderate mag. 4.1 earthquake - Gulf of Alaska, 32 mi southwest of Karluk, Kodiak Island County, Alaska, USA, on 2020-05-16 19:18:47 -09:00 -
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Moderate magnitude 4.1 earthquake at 5 km depth
17 May 04:22 UTC: First to report: USGS after 4 minutes.
Hypocenter depth recalculated from 25.2 to 55.1 km.
May 17 04:28: Magnitude recalculated from 4.2 to 4.1.
Hypocenter depth recalculated from 55.1 to 4.7 km.
Hypocenter depth recalculated from 25.2 to 55.1 km.
May 17 04:28: Magnitude recalculated from 4.2 to 4.1.
Hypocenter depth recalculated from 55.1 to 4.7 km.
Date & time: 17 May 2020 04:18:47 UTC -
Local time at epicenter: 2020-05-16 19:18:47 -09:00
Magnitude: 4.1
Depth: 4.7 km
Epicenter latitude / longitude: 57.2239°N / 155.044°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Unnamed 57.87°N/155.42°W (80 km / 50 mi)
Nearby towns and cities:
52 km (32 mi) SW of Karluk (pop: 37) --> See nearby quakes!
61 km (38 mi) WNW of Akhiok (pop: 72) --> See nearby quakes!
158 km (98 mi) WSW of Kodiak Station (pop: 1,300) --> See nearby quakes!
170 km (105 mi) WSW of Kodiak (pop: 6,250) --> See nearby quakes!
337 km (210 mi) SW of Homer (pop: 5,520) --> See nearby quakes!
416 km (258 mi) SSW of Kalifornsky (pop: 7,850) --> See nearby quakes!
429 km (267 mi) SSW of Kenai (pop: 7,660) --> See nearby quakes!
532 km (330 mi) SW of Anchorage (pop: 298,700) --> See nearby quakes!
551 km (343 mi) SW of Eagle River (pop: 24,800) --> See nearby quakes!
551 km (343 mi) SW of Eagle River (Anchorage County) (pop: 24,800) --> See nearby quakes!
96 km (59 mi) W of Kodiak Island (pop: 13,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 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.
| Magnitude | Depth | Location | Source |
| M 4.1 | 4.7 km | 73km WSW of Larsen Bay, Alaska (USA) | USGS |
| M 4.6 | 63 km | Alaska Peninsula (USA) | EMSC |
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