Minor mag. 2.8 earthquake - Gulf of Alaska, 52 mi west of Kodiak Island, Alaska, USA, on Monday, 22 Feb 2021 11:30 am (GMT -9) -
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in the US| Alaska | Alaska
Minor magnitude 2.8 earthquake at 56 km depth
22 Feb 20:34 UTC: First to report: USGS after 4 minutes.
Date & time: 22 Feb 2021 20:30:07 UTC -
Local time at epicenter: Monday, 22 Feb 2021 11:30 am (GMT -9)
Magnitude: 2.8
Depth: 55.6 km
Epicenter latitude / longitude: 57.2507°N / 154.8573°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Unnamed 57.87°N/155.42°W (77 km / 48 mi)
Nearby towns and cities:
43 km (27 mi) SW of Karluk (pop: 37) --> See nearby quakes!
54 km (33 mi) NW of Akhiok (pop: 72) --> See nearby quakes!
62 km (38 mi) WSW of Larsen Bay (pop: 88) --> See nearby quakes!
94 km (58 mi) W of Old Harbor (pop: 221) --> See nearby quakes!
136 km (85 mi) WSW of Port Lions (pop: 197) --> See nearby quakes!
139 km (87 mi) WSW of Womens Bay (pop: 719) --> See nearby quakes!
147 km (91 mi) WSW of Kodiak Station (pop: 1,300) --> See nearby quakes!
158 km (98 mi) WSW of Kodiak (pop: 6,250) --> See nearby quakes!
184 km (114 mi) SE of Egegik (pop: 106) --> See nearby quakes!
192 km (119 mi) SE of King Salmon (pop: 374) --> See nearby quakes!
84 km (52 mi) W of Kodiak Island (pop: 13,600) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds
-5.2°C (23 F), humidity: 91%, wind: 13 m/s (25 kts) from WNW
Primary data source: USGS (United States Geological Survey)Overcast Clouds
-5.2°C (23 F), humidity: 91%, wind: 13 m/s (25 kts) from WNWEstimated 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 |
| 2.8 | 56 km | 42 Km SW of Karluk, Alaska, USA | USGS |
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
Click here to search our database for earlier earthquakes in the same area since 1900!
