Minor mag. 2.5 earthquake - 3 Km SSE of Karluk, Alaska, USA, on Saturday, 27 Feb 2021 7:30 pm (GMT -9) -
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Minor magnitude 2.5 earthquake at 37 km depth
28 Feb 04:35 UTC: First to report: USGS after 5 minutes.
28 Feb 04:42: Magnitude recalculated from 2.2 to 2.5. Hypocenter depth recalculated from 0.0 to 37.2 km (from 0 to 23 mi). Epicenter location corrected by 67 km (42 mi) towards SW.
28 Feb 04:42: Magnitude recalculated from 2.2 to 2.5. Hypocenter depth recalculated from 0.0 to 37.2 km (from 0 to 23 mi). Epicenter location corrected by 67 km (42 mi) towards SW.
Date & time: 28 Feb 2021 04:30:10 UTC -
Local time at epicenter: Saturday, 27 Feb 2021 7:30 pm (GMT -9)
Magnitude: 2.5
Depth: 37.2 km
Epicenter latitude / longitude: 57.0561°N / 155.1123°W
(Alaska, United States)Nearest volcano: Unnamed 57.87°N/155.42°W (92 km / 57 mi)
Nearby towns and cities:
58 km (36 mi) WNW of Akhiok (pop: 72) --> See nearby quakes!
69 km (43 mi) SW of Karluk (pop: 37) --> See nearby quakes!
87 km (54 mi) SW of Larsen Bay (pop: 88) --> See nearby quakes!
110 km (69 mi) W of Old Harbor (pop: 221) --> See nearby quakes!
161 km (100 mi) SW of Port Lions (pop: 197) --> See nearby quakes!
162 km (101 mi) WSW of Womens Bay (pop: 719) --> See nearby quakes!
170 km (106 mi) WSW of Kodiak Station (pop: 1,300) --> See nearby quakes!
181 km (113 mi) WSW of Kodiak (pop: 6,250) --> See nearby quakes!
187 km (116 mi) SE of Egegik (pop: 106) --> See nearby quakes!
203 km (126 mi) SSE of King Salmon (pop: 374) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds
1.2°C (34 F), humidity: 82%, wind: 12 m/s (24 kts) from WNW
Primary data source: USGS (United States Geological Survey)Overcast Clouds
1.2°C (34 F), humidity: 82%, wind: 12 m/s (24 kts) from WNWEstimated released energy: 3.5 x 108 joules (98.6 kilowatt hours) 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 |
| 2.5 | 37 km | 3 Km SSE 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 2.5, 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
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