Mag. 2.8 earthquake - Gulf of Alaska, 23 mi southwest of Karluk, Alaska, USA, on 18 Oct 3:46 pm (GMT -8) -
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Minor magnitude 2.8 earthquake at 0 km depth
18 Oct 23:50 UTC: First to report: USGS after 5 minutes.
18 Oct 23:57: Magnitude recalculated from 2.9 to 2.8. Epicenter location corrected by 9.7 km (6 mi) towards W.
18 Oct 23:57: Magnitude recalculated from 2.9 to 2.8. Epicenter location corrected by 9.7 km (6 mi) towards W.
Local time at epicenter: 18 Oct 3:46 pm (GMT -8)
Magnitude: 2.8
Depth: 0.0 km
Epicenter latitude / longitude: 57.425°N / 155.0226°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Unnamed 57.87°N/155.42°W (59 km / 37 mi)
Nearby towns and cities:
38 km (23 mi) WSW of Karluk (pop: 37) --> See nearby quakes!
64 km (40 mi) WSW of Larsen Bay (pop: 88) --> See nearby quakes!
74 km (46 mi) NW of Akhiok (pop: 72) --> See nearby quakes!
106 km (66 mi) WNW of Old Harbor (pop: 221) --> See nearby quakes!
143 km (89 mi) W of Womens Bay (pop: 719) --> See nearby quakes!
161 km (100 mi) WSW of Kodiak (pop: 6,250) --> See nearby quakes!
165 km (102 mi) ESE of Egegik (pop: 106) --> See nearby quakes!
170 km (106 mi) SE of King Salmon (pop: 374) --> See nearby quakes!
5778 km (3590 mi) NW of Washington (District of Columbia) (pop: 601,700) --> See nearby quakes!
5778 km (3590 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
92 km (57 mi) W of Kodiak Island (pop: 13,600) --> See nearby quakes!
77 km (48 mi) SSW of Takli Island --> See nearby quakes!
Weather at epicenter at time of quake:
Scattered Clouds
7.9°C (46 F), humidity: 72%, wind: 7 m/s (13 kts) from W
Primary data source: USGS (United States Geological Survey)
Scattered Clouds
7.9°C (46 F), humidity: 72%, wind: 7 m/s (13 kts) from WEstimated released energy: 1 x 109 joules (278 kilowatt hours, equivalent to 0.239 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 2.8 | km | 37 Km WSW of Karluk, Alaska, USA | USGS |
| M 3.1 | 10 km | Kodiak Island Region, Alaska, USA | EMSC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
At magnitude 2.8, this quake might have been felt very close to the epicenter and under calm conditions.
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
Mag. 2.8 earthquake - Gulf of Alaska, 23 mi southwest of Karluk, Alaska, USA, on 18 Oct 3:46 pm (GMT -8)
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