Light mag. 4.3 earthquake - Gulf of Alaska, 36 mi southeast of Cherni Island, Aleutians East County, Alaska, USA, on 2019-08-17 09:33:45 -11:00
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Light magnitude 4.3 earthquake at 41 km depth
17 Aug 20:59 UTC: First to report: USGS after 26 minutes.
Aug 17 21:24: Magnitude recalculated from 3.9 to 4.3.
Hypocenter depth recalculated from 24.9 to 40.7 km.
Aug 17 21:24: Magnitude recalculated from 3.9 to 4.3.
Hypocenter depth recalculated from 24.9 to 40.7 km.
Date & time: 17 Aug 2019 20:33:45 UTC
Local time at epicenter: 2019-08-17 09:33:45 -11:00
Magnitude: 4.3
Depth: 40.7 km
Epicenter latitude / longitude: 54.3149°N / 161.6574°W

Nearest volcano: Dutton (97 km / 60 mi)
Nearby towns and cities:
93 km (58 mi) SSE of King Cove (pop: 1,010) --> See nearby quakes!
119 km (74 mi) SE of Cold Bay (pop: 123) --> See nearby quakes!
128 km (80 mi) ESE of False Pass (pop: 40) --> See nearby quakes!
136 km (84 mi) SSW of Sand Point (pop: 1,060) --> See nearby quakes!
190 km (118 mi) S of Nelson Lagoon (pop: 52) --> See nearby quakes!
239 km (148 mi) SW of Perryville (pop: 113) --> See nearby quakes!
269 km (167 mi) E of Akutan (pop: 1,040) --> See nearby quakes!
283 km (176 mi) SW of Chignik Lake (pop: 73) --> See nearby quakes!
297 km (185 mi) SW of Chignik Lagoon (pop: 78) --> See nearby quakes!
322 km (200 mi) E of Unalaska (pop: 4,490) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 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 4.3 | 41 km | 118km SE of Cold Bay, Alaska (USA) | USGS |
M 4.3 | 53 km | Alaska Peninsula (USA) | EMSC |
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