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Strong mag. 6.3 earthquake - 45km SSE of Tanaga Volcano, Alaska on Thursday, 23 August 2018 - information

Strong mag. 6.3 earthquake - 45km SSE of Tanaga Volcano, Alaska on Thursday, 23 August 2018

Strong mag. 6.3 earthquake  - 45km SSE of Tanaga Volcano, Alaska on Thursday, 23 August 2018
Aug 23 03:53: Magnitude recalculated from 6.1 to 6.3.
Hypocenter depth recalculated from 56.0 to 43.9 km.
Date & time: Thu, 23 Aug 03:35:15 UTC
Local time at epicenter: 2018-08-22 17:35:15 -10:00
Magnitude: 6.3
Depth: 43.9 km
Epicenter latitude / longitude: 51.5106°N / 177.881°W (United States)
Nearest volcano: Takawangha (74 km)
Primary data source: USGS
Estimated released energy: 1.8*10^14 J (49.4 GWh / 42502 tons of TNT / 2.7 atomic bombs equivalent) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience with us and submit a short "I felt it" report.
You can use your GPS or device location as well to show where you were during the earthquake.
- thank you.

Data for same earthquake as reported from other agencies
TimeMag. / DepthLocationSource
Thu, 23 Aug 2018
Thu, 23 Aug 03:35 UTCM 6.0 / 10 kmAndreanof Islands, Aleutian IslandsGFZ
Thu, 23 Aug 03:35 UTCM 6.4 / 60 km ANDREANOF ISLANDS, ALEUTIAN IS.EMSC
Thu, 23 Aug 03:35 UTCM 6.0 / 80.4 kmAndreanof Islands, Aleutian IslandsGeoAu

shake map
(shakemap: USGS)
"I felt it" reports:
Castro Valley Ca / MMI II (Very weak shaking): I was in bed not able to sleep. Suddenly my bed shook twice.
Earthquakes in same area up to 1 year afterwards (likely aftershocks)
TimeMag. / DepthLocationMapSource
Sat, 1 Dec 2018
Sat, 1 Dec 03:21 UTCM 4.3 / 47.7 km - [info]- 33km W of Amatignak Island, Alaska[Map]USGS
Sun, 2 Dec 2018
Sun, 2 Dec 19:06 UTCM 4.6 / 45 km - [info] ANDREANOF ISLANDS, ALEUTIAN IS.[Map]EMSC
Thu, 6 Dec 2018
Thu, 6 Dec 17:08 UTCM 3.9 / 75.4 km - [info]- Andreanof Islands, Aleutian Islands, Alaska[Map]USGS
Fri, 21 Dec 2018
Fri, 21 Dec 07:55 UTCM 3.0 / 5 km - [info]- 35km SSW of Tanaga Volcano, Alaska[Map]USGS
Sat, 5 Jan 2019 (6 earthquakes)
Sat, 5 Jan 18:47 UTCM 5.8 / 55.5 km - [info]Andreanof Islands, Aleutian Islands[Map]GeoAu
Sat, 5 Jan 18:50 UTCM 3.4 / 45.6 km - [info]- 69km E of Amatignak Island, Alaska[Map]USGS
Sat, 5 Jan 18:55 UTCM 3.2 / 25.7 km - [info]- 69km E of Amatignak Island, Alaska[Map]USGS
Sat, 5 Jan 18:58 UTCM 3.6 / 46.7 km - [info]- 59km S of Tanaga Volcano, Alaska[Map]USGS
Sat, 5 Jan 19:00 UTCM 2.9 / 27.2 km - [info]- 62km E of Amatignak Island, Alaska[Map]USGS
Sat, 5 Jan 19:03 UTCM 4.1 / 35 km - [info]- 63km ESE of Amatignak Island, Alaska[Map]USGS
Sun, 6 Jan 2019
Sun, 6 Jan 01:26 UTCM 4.0 / 45 km - [info] ANDREANOF ISLANDS, ALEUTIAN IS.[Map]EMSC
Sun, 6 Jan 07:25 UTCM 5.5 / 10 km - [info]Andreanof Islands, Aleutian Islands[Map]GFZ
Mon, 7 Jan 2019
Mon, 7 Jan 00:25 UTCM 4.1 / 35 km - [info]- 66km E of Amatignak Island, Alaska[Map]USGS
Wed, 9 Jan 2019
Wed, 9 Jan 01:23 UTCM 3.3 / 25 km - [info]- 52km SSW of Tanaga Volcano, Alaska[Map]USGS
Sat, 12 Jan 2019
Sat, 12 Jan 01:46 UTCM 2.9 / 31.1 km - [info]- 147km S of Adak, Alaska[Map]USGS
Sun, 13 Jan 2019
Sun, 13 Jan 20:48 UTCM 4.4 / 84.4 km - [info]- 31km ESE of Tanaga Volcano, Alaska[Map]USGS
Mon, 14 Jan 2019
Mon, 14 Jan 21:37 UTCM 4.6 / 62 km - [info] ANDREANOF ISLANDS, ALEUTIAN IS.[Map]EMSC
Tue, 15 Jan 2019
Tue, 15 Jan 09:11 UTCM 2.6 / 43.1 km - [info]- 46km SSW of Tanaga Volcano, Alaska[Map]USGS
Wed, 16 Jan 2019
Wed, 16 Jan 17:47 UTCM 3.3 / 35 km - [info]- 71km SSW of Adak, Alaska[Map]USGS
Fri, 25 Jan 2019
Fri, 25 Jan 08:43 UTCM 4.0 / 48 km - [info] ANDREANOF ISLANDS, ALEUTIAN IS.[Map]EMSC
Thu, 31 Jan 2019
Thu, 31 Jan 00:22 UTCM 4.7 / 61 km - [info]- 43km S of Tanaga Volcano, Alaska[Map]USGS
Fri, 8 Feb 2019
Fri, 8 Feb 00:39 UTCM 2.6 / 99.5 km - [info]- 44km ENE of Semisopochnoi Island, Alaska[Map]USGS
Fri, 15 Feb 2019
Fri, 15 Feb 18:11 UTCM 5.0 / 55.2 km - [info]20km WSW of Adak, Alaska (USA)[Map]USGS
Sat, 16 Feb 2019
Sat, 16 Feb 10:49 UTCM 3.9 / 35 km - [info]70km S of Adak, Alaska (USA)[Map]USGS
Wed, 20 Feb 2019
Wed, 20 Feb 01:14 UTCM 4.1 / 35 km - [info]55km SSW of Adak, Alaska (USA)[Map]USGS
Mon, 11 Mar 2019
Mon, 11 Mar 06:23 UTCM 5.2 / 47.8 km - [info]48km S of Tanaga Volcano, Alaska (USA)[Map]USGS
Mon, 11 Mar 15:19 UTCM 4.0 / 10 km - [info]49km E of Amatignak Island, Alaska (USA)[Map]USGS
Mon, 11 Mar 15:48 UTCM 4.3 / 48.1 km - [info]39km ENE of Amatignak Island, Alaska (USA)[Map]USGS
Thu, 14 Mar 2019
Thu, 14 Mar 23:10 UTCM 3.8 / 61.7 km - [info]41km ENE of Amatignak Island, Alaska (USA)[Map]USGS
Tue, 19 Mar 2019
Tue, 19 Mar 16:25 UTCM 4.1 / 35 km - [info]46km E of Amatignak Island, Alaska (USA)[Map]USGS
Fri, 22 Mar 2019
Fri, 22 Mar 20:25 UTCM 4.8 / 56.7 km - [info]55km SSW of Tanaga Volcano, Alaska (USA)[Map]USGS
Sat, 23 Mar 2019
Sat, 23 Mar 21:46 UTCM 3.9 / 39.7 km - [info]49km S of Adak, Alaska (USA)[Map]USGS
Fri, 29 Mar 2019
Fri, 29 Mar 05:13 UTCM 4.8 / 50.1 km - [info]46km SE of Adak, Alaska (USA)[Map]USGS
Sat, 13 Apr 2019
Sat, 13 Apr 17:54 UTCM 3.4 / 36.8 km - [info]40km SSW of Amatignak Island, Alaska (USA)[Map]USGS
Tue, 16 Apr 2019
Tue, 16 Apr 21:31 UTCM 4.2 / 35 km - [info]40km SSW of Amatignak Island, Alaska (USA)[Map]USGS
Thu, 18 Apr 2019
Thu, 18 Apr 01:38 UTCM 4.0 / 10 km - [info]67km E of Amatignak Island, Alaska (USA)[Map]USGS
Sun, 21 Apr 2019
Sun, 21 Apr 06:31 UTCM 4.9 / 60.6 km - [info]41km SSW of Tanaga Volcano, Alaska (USA)[Map]USGS
Mon, 22 Apr 2019
Mon, 22 Apr 12:28 UTCM 3.6 / 44.4 km - [info]67km S of Tanaga Volcano, Alaska (USA)[Map]USGS
Fri, 26 Apr 2019
Fri, 26 Apr 00:37 UTCM 4.1 / 35 km - [info]72km S of Tanaga Volcano, Alaska (USA)[Map]USGS
Sun, 5 May 2019
Sun, 5 May 22:46 UTCM 3.9 / 35 km - [info]61km SSE of Tanaga Volcano, Alaska (USA)[Map]USGS
Mon, 6 May 2019
Mon, 6 May 22:37 UTCM 4.4 / 41.1 km - [info]40km ENE of Amatignak Island, Alaska (USA)[Map]USGS
Tue, 14 May 2019
Tue, 14 May 09:08 UTCM 4.5 / 141 km - [info]41km NE of Adak, Alaska (USA)[Map]USGS
Sat, 18 May 2019
Sat, 18 May 00:14 UTCM 4.3 / 35 km - [info]68km S of Tanaga Volcano, Alaska (USA)[Map]USGS
Thu, 23 May 2019
Thu, 23 May 08:45 UTCM 6.1 / 27.8 km - [info]55km ENE of Amatignak Island, Alaska (USA)[Map]USGS
Thu, 23 May 13:05 UTCM 3.9 / 53.4 km - [info]Andreanof Islands, Aleutian Islands, Alaska (USA)[Map]USGS

 

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