Minor mag. 2.4 earthquake - 53 Km WNW of Happy Valley, Alaska, USA, on Thursday, 4 Feb 2021 10:50 am (GMT -9) -
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in the US| Alaska | Alaska

Minor magnitude 2.4 earthquake at 105 km depth
4 Feb 19:54 UTC: First to report: USGS after 4 minutes.
4 Feb 19:55: Hypocenter depth recalculated from 105.7 to 104.8 km (from 66 to 65 mi).
4 Feb 20:04: Hypocenter depth recalculated from 104.8 to 104.9 km (from 65 to 65 mi).
4 Feb 19:55: Hypocenter depth recalculated from 105.7 to 104.8 km (from 66 to 65 mi).
4 Feb 20:04: Hypocenter depth recalculated from 104.8 to 104.9 km (from 65 to 65 mi).
Date & time: 4 Feb 2021 19:50:04 UTC -
Local time at epicenter: Thursday, 4 Feb 2021 10:50 am (GMT -9)
Magnitude: 2.4
Depth: 104.9 km
Epicenter latitude / longitude: 60.0813°N / 152.6511°W

Nearest volcano: Iliamna (25 km / 16 mi)
Nearby towns and cities:
53 km (33 mi) WNW of Happy Valley (pop: 593) --> See nearby quakes!
57 km (35 mi) NW of Anchor Point (pop: 1,930) --> See nearby quakes!
79 km (49 mi) NW of Homer (pop: 5,520) --> See nearby quakes!
84 km (52 mi) WSW of Kalifornsky (pop: 7,850) --> See nearby quakes!
85 km (53 mi) WNW of Fritz Creek (pop: 1,930) --> See nearby quakes!
93 km (58 mi) SW of Kenai (pop: 7,660) --> See nearby quakes!
99 km (61 mi) WSW of Soldotna (pop: 4,540) --> See nearby quakes!
196 km (122 mi) SW of Anchorage (pop: 298,700) --> See nearby quakes!
217 km (135 mi) SW of Eagle River (pop: 24,800) --> See nearby quakes!
217 km (135 mi) SW of Eagle River (Anchorage) (pop: 24,800) --> See nearby quakes!
Weather at epicenter at time of quake:
Scattered Clouds
-15°C (5 F), humidity: 99%, wind: 2 m/s (4 kts) from N
Primary data source: USGS (United States Geological Survey)Scattered Clouds

Estimated released energy: 2.5 x 108 joules (69.8 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 |
2.4 | 105 km | 53 Km WNW of Happy Valley, Alaska, USA | USGS |
3.0 | 113 km | SOUTHERN 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 2.4, this quake might have been felt very close to the epicenter and under calm conditions.be the first to report it!
There are no user reports for this quake yet. If you felt it Earlier earthquakes in the same area
Click here to search our database for earlier earthquakes in the same area since 1900!