Mag. 3.3 earthquake - Gulf of Alaska, 36 mi west of Homer, Kenai Peninsula County, Alaska, USA, on 2015-08-20 11:04:33 -10:00
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in the US | Alaska | Alaska | Washington, D.C.

Minor magnitude 3.3 earthquake at 69 km depth
20 Aug 22:10 UTC: First to report: USGS after 1 hour and 5 minutes.
Aug 21 00:10: Magnitude recalculated from 3.5 to 3.3.
Hypocenter depth recalculated from 67.7 to 69.4 km.
Aug 21 00:10: Magnitude recalculated from 3.5 to 3.3.
Hypocenter depth recalculated from 67.7 to 69.4 km.
Local time at epicenter: 2015-08-20 11:04:33 -10:00
Magnitude: 3.3
Depth: 69.4 km
Epicenter latitude / longitude: 59.5603°N / 152.5766°W

Nearest volcano: Augustine (56 km / 35 mi)
Nearby towns and cities:
43 km (27 mi) WNW of Nanwalek (pop: 254) --> See nearby quakes!
48 km (30 mi) WSW of Anchor Point (pop: 1,930) --> See nearby quakes!
59 km (36 mi) W of Homer (pop: 5,520) --> See nearby quakes!
75 km (46 mi) WSW of Fritz Creek (pop: 1,930) --> See nearby quakes!
119 km (74 mi) SW of Kalifornsky (pop: 7,850) --> See nearby quakes!
133 km (82 mi) SW of Kenai (pop: 7,660) --> See nearby quakes!
133 km (83 mi) SW of Soldotna (pop: 4,540) --> See nearby quakes!
236 km (147 mi) SW of Alaska City (pop: 298,700) --> See nearby quakes!
5586 km (3471 mi) NW of Washington (District of Columbia) (pop: 601,700) --> See nearby quakes!
5586 km (3471 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
54 km (33 mi) ENE of Augustine Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 109 joules (1.56 megawatt hours, equivalent to 1.34 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 3.3 | 69 km | - 48km WSW of Anchor Point, Alaska | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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
Mag. 3.3 earthquake - Gulf of Alaska, 36 mi west of Homer, Kenai Peninsula County, Alaska, USA, on 2015-08-20 11:04:33 -10:00Click here to search our database for earlier earthquakes in the same area since 1900!