Strong mag. 6.0 earthquake - Gulf of Alaska, 38 mi southeast of Sitkinak Island, Kodiak Island County, Alaska, USA, on Tuesday, 19 July 1955 at 23:52 (GMT)
Quake Data | Interactive map | User Reports | Aftershocks | Earlier quakes in same area | Quakes in the US| Alaska | Alaska
Strong magnitude 6.0 earthquake at 25 km depth
Date & time: 19 Jul 1955 23:52:28 UTC
Magnitude: 6
Depth: 25.0 km
Epicenter latitude / longitude: 56.268°N / 153.304°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Unnamed 57.87°N/155.42°W (219 km / 136 mi)
Nearby towns and cities:
92 km (57 mi) SE of Akhiok (pop: 72) --> See nearby quakes!
104 km (65 mi) S of Old Harbor (pop: 221) --> See nearby quakes!
162 km (101 mi) SSW of Womens Bay (pop: 719) --> See nearby quakes!
172 km (107 mi) SSW of Kodiak Station (pop: 1,300) --> See nearby quakes!
178 km (110 mi) SSW of Kodiak (pop: 6,250) --> See nearby quakes!
389 km (242 mi) SSW of Homer (pop: 5,520) --> See nearby quakes!
400 km (248 mi) SSW of Anchor Point (pop: 1,930) --> See nearby quakes!
403 km (251 mi) SSW of Fritz Creek (pop: 1,930) --> See nearby quakes!
461 km (287 mi) ENE of Sand Point (pop: 1,060) --> See nearby quakes!
483 km (300 mi) SSW of Lowell Point (pop: 2,790) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 atomic bombs!) 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 6.0 | 25 km | Kodiak Island region, Alaska (USA) | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
Aftershocks
More info
Recorded aftershocks, latest first (2 quakes):- 27 Jul 1955 18:19 UTC| M 6.3 |25 km (15.5 mi) depth|23 km (14 mi) distance| USGS | Very strong mag. 6.3 earthquake - Gulf of Alaska, 42 mi southeast of Sitkinak Island, Kodiak Island County, Alaska, USA, on Wednesday, 27 July 1955 at 18:19 (GMT)
- 26 Jul 1955 04:04 UTC| M 5.8 |15 km (9.3 mi) depth|20 km (12 mi) distance| USGS | Details
Earlier earthquakes in the same area since 1900
- Date / time UTC| Mag |Depth|Age|Distance| Details
- 09 Oct 1900 12:25| 7.9 |unknown|120 years ago|92km / 57mi| Gulf of Alaska, 10.2 mi SW of Old Harbor, Kodiak Island County, Alaska, USA
- 07 Nov 1912 07:40| 7.3 |90km / 56mi|108 years ago|171km / 107mi| Gulf of Alaska, 57 mi W of Kodiak Island, Alaska, USA
- 23 Dec 1906 17:22| 7.3 |unknown|114 years ago|74km / 46mi| 12 mi SE of Akhiok, Kodiak Island County, Alaska, USA
- 04 May 1923 16:26| 7.0 |25km / 16mi|98 years ago|225km / 140mi| Gulf of Alaska, 11 mi S of South Island, Kodiak Island County, Alaska, USA
- 13 Feb 1951 22:13| 6.9 |20km / 12.4mi|70 years ago|192km / 119mi| Gulf of Alaska, 22 mi SE of South Island, Kodiak Island County, Alaska, USA
- 05 Dec 1912 12:27| 6.9 |90km / 56mi|108 years ago|143km / 89mi| 2.9 mi S of Larsen Bay, Kodiak Island County, Alaska, USA
- 29 Nov 1952 23:46| 6.8 |20km / 12.4mi|68 years ago|47km / 29mi| Gulf of Alaska, 17 mi S of Sitkinak Island, Kodiak Island County, Alaska, USA
- 28 Jul 1934 21:37| 6.7 |20km / 12.4mi|87 years ago|222km / 138mi| Gulf of Alaska, 22 mi S of South Island, Kodiak Island County, Alaska, USA
- 15 Jun 1953 17:47| 6.5 |20km / 12.4mi|68 years ago|51km / 31mi| Gulf of Alaska, 18 mi S of Sitkinak Island, Kodiak Island County, Alaska, USA
- 01 Apr 1941 10:41| 6.5 |15km / 9.3mi|80 years ago|31km / 19mi| Gulf of Alaska, 43 mi SE of Sitkinak Island, Kodiak Island County, Alaska, USA
Hint: Click on Date/Time to show latest first
Show all
