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Very strong mag. 6.8 earthquake - North Pacific Ocean, Alaska, USA, on Tuesday, Jan 11, 2022 at 12:35 am (GMT -11) -

Very strong mag. 6.8 earthquake - North Pacific Ocean, Alaska, USA, on Tuesday, Jan 11, 2022 at 12:35 am (GMT -11) Very strong mag. 6.8 earthquake - North Pacific Ocean, Alaska, USA, on Tuesday, Jan 11, 2022 at 12:35 am (GMT -11)

Very strong magnitude 6.8 earthquake at 22 km depth

11 Jan 11:43 UTC: First to report: USGS after 8 minutes.
11 Jan 11:49: Magnitude recalculated from 6.7 to 5.5. Hypocenter depth recalculated from 33.0 to 0.5 km (from 21 to 0.3 mi). Epicenter location corrected by 2.4 km (1.5 mi) towards SE.
11 Jan 11:56: Magnitude recalculated from 5.5 to 6.8. Hypocenter depth recalculated from 0.5 to 22.3 km (from 0.3 to 13.9 mi). Epicenter location corrected by 25 km (16 mi) towards NW.

Earthquake details

Date & timeJan 11, 2022 11:35:46 UTC -
Local time at epicenterTuesday, Jan 11, 2022 at 12:35 am (GMT -11)
StatusConfirmed
Magnitude6.8
Depth22.3 km
Epicenter latitude / longitude52.6563°N / 167.9169°W (North Pacific Ocean, Alaska, United States)
Antipode52.656°S / 12.083°E
Shaking intensityVery strong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoRecheschnoi (70 km / 43 mi)
Nearby towns and cities71 km (44 mi) ESE of Nikolski (pop: 18) | Show on map | Quakes nearby
164 km (102 mi) SW of Unalaska (pop: 4,490) | Show on map | Quakes nearby
165 km (102 mi) SW of Dutch Harbor (pop: 4,380) | Show on map | Quakes nearby
217 km (135 mi) SW of Akutan (pop: 1,040) | Show on map | Quakes nearby
384 km (239 mi) SW of False Pass (pop: 40) | Show on map | Quakes nearby
441 km (274 mi) SW of Cold Bay (pop: 123) | Show on map | Quakes nearby
454 km (282 mi) SW of King Cove (pop: 1,010) | Show on map | Quakes nearby
Weather at epicenter at time of quakeLight Rain 2.3°C (36 F), humidity: 78%, wind: 11 m/s (22 kts) from SW
Estimated seismic energy released1 x 1015 joules (278 gigawatt hours, equivalent to 2.4 x 105 tons of TNT or 14.9 atomic bombs!) | about seismic energy
Show interactive Map
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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.
Mag.DepthLocationSource
6.822 km93 Km SE of Nikolski, AlaskaUSGS
6.814 kmFox Islands, Aleutian IslandsGFZ
6.821 kmFOX ISLANDS, ALEUTIAN ISLANDSEMSC
6.633 kmFox Islands, Aleutian IslandsGeoAu
6.822 kmFox Islands, Aleutian IslandsRaspberryShake
6.410 kmNear AnchorageRENASS
6.610.2 kmFox Islands, Aleutian Islands, United States [Sea: United States]INGV

Seismograms

Seismic station: Adak, Aleutian Islands, Alaska (ADK/IU network) | Distance from quake: 602 km / 374 mi | Show on map | Station Info
Seismic station Adak, Aleutian Islands, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Source: IRIS Buffer of Uniform Data (BUD) webtool
Show more

User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Translate
North Pacific Ocean (5.6 km S of epicenter) [Map] / not felt
Renton (3258.6 km E of epicenter) [Map] / not felt (reported through our app)

Aftershocks

[More info]

Recorded aftershocks, latest first (83 quakes)

Date and timeMag
Depth
LocationDetails
Jun 29, 2022 19:26
23 weeks ago
3.2

4 km
North Pacific Ocean, 106 mi SE of Nikolski, Aleutians West, Alaska, USAMore
Jun 23, 2022 14:01
24 weeks ago
4.3

48 km
Bering Sea, 65 mi SW of Unalaska, Aleutians West, Alaska, USAMore
Jun 20, 2022 19:45
25 weeks ago
2.2

25 km
Fox Islands, Aleutian IslandsMore
Jun 10, 2022 16:55
26 weeks ago
2.1

20 km
61 Km SSE of Unalaska, AlaskaMore
Jun 10, 2022 06:39
26 weeks ago
2.8

28 km
North Pacific Ocean, 51 mi S of Unalaska, Aleutians West, Alaska, USAMore
Jun 9, 2022 13:02
26 weeks ago
2.7

10 km
North Pacific Ocean, Alaska, USAMore
Jun 6, 2022 05:40
27 weeks ago
3.5

35 km
Bering Sea, 50 mi SW of Nikolski, Aleutians West, Alaska, USAMore
Jun 2, 2022 23:26
27 weeks ago
5.2

36 km
Bering Sea, 178 mi SW of Unalaska, Aleutians West, Alaska, USAMore
Jun 2, 2022 12:18
27 weeks ago
4.0

41 km
North Pacific Ocean, 180 mi SW of Unalaska, Aleutians West, Alaska, USAMore
May 30, 2022 14:32
28 weeks ago
2.6

25 km
79 Km S of Unalaska, AlaskaMore
May 26, 2022 02:10
28 weeks ago
3.7

35 km
North Pacific Ocean, 53 mi S of Unalaska, Aleutians West, Alaska, USAMore
May 17, 2022 15:49
29 weeks ago
2.1

24 km
93 Km E of Nikolski, AlaskaMore
May 17, 2022 09:12
29 weeks ago
3.5

35 km
Bering Sea, 58 mi SW of Unalaska, Aleutians West, Alaska, USAMore
May 16, 2022 22:36
30 weeks ago
2.7

56 km
Bering Sea, 64 mi SW of Unalaska, Aleutians West, Alaska, USAMore
May 16, 2022 22:36
30 weeks ago
2.2

69 km
89 Km ENE of Nikolski, AlaskaMore
May 15, 2022 15:44
30 weeks ago
3.6

72 km
Bering Sea, 24 mi SE of Unalaska, Aleutians West, Alaska, USAMore
May 13, 2022 04:54
30 weeks ago
2.5

36 km
160 Km S of Nikolski, AlaskaMore
May 13, 2022 04:54
30 weeks ago
2.9

33 km
North Pacific Ocean, Alaska, USAMore
May 12, 2022 11:24
30 weeks ago
3.7

35 km
2 mi SE of Nikolski, Aleutians West, Alaska, USAMore
May 11, 2022 16:47
30 weeks ago
3.5

74 km
Bering Sea, 12 mi SW of Nikolski, Aleutians West, Alaska, USAMore
May 10, 2022 23:41
30 weeks ago
4.1

32 km
North Pacific Ocean, 131 mi SW of Unalaska, Aleutians West, Alaska, USAMore
May 7, 2022 05:12
31 weeks ago
3.3

48 km
North Pacific Ocean, 111 mi SW of Unalaska, Aleutians West, Alaska, USAMore
Apr 30, 2022 15:58
32 weeks ago
3.4

35 km
North Pacific Ocean, 120 mi SW of Unalaska, Aleutians West, Alaska, USAMore
Apr 23, 2022 07:21
33 weeks ago
4.5

41 km
North Pacific Ocean, 64 mi S of Unalaska, Aleutians West, Alaska, USAMore
Apr 18, 2022 05:21
34 weeks ago
2.5

25 km
80 Km SSW of Unalaska, AlaskaMore
Apr 17, 2022 23:49
34 weeks ago
2.5

54 km
40 Km SSE of Nikolski, AlaskaMore
Apr 16, 2022 05:17
34 weeks ago
4.1

41 km
North Pacific Ocean, 148 mi SW of Unalaska, Aleutians West, Alaska, USAMore
Apr 12, 2022 15:46
34 weeks ago
3.6

10 km
Bering Sea, 147 mi SW of Unalaska, Aleutians West, Alaska, USAMore
Apr 7, 2022 03:45
35 weeks ago
2.1

26 km
Fox Islands, Aleutian Islands, AlaskaMore
Apr 2, 2022 00:45
36 weeks ago
2.1

42 km
73 Km SSW of Unalaska, AlaskaMore
Mar 14, 2022 03:38
39 weeks ago
4.1

49 km
Bering Sea, 40 mi S of Unalaska, Aleutians West, Alaska, USAMore
Mar 3, 2022 14:41
40 weeks ago
3.3

35 km
North Pacific Ocean, 49 mi SE of Nikolski, Aleutians West, Alaska, USAMore
Feb 28, 2022 19:00
41 weeks ago
2.5

41 km
95 Km SE of Nikolski, AlaskaMore
Feb 28, 2022 19:00
41 weeks ago
2.9

10 km
North Pacific Ocean, 66 mi SE of Nikolski, Aleutians West, Alaska, USAMore
Feb 28, 2022 14:28
41 weeks ago
4.5

35 km
North Pacific Ocean, 67 mi S of Unalaska, Aleutians West, Alaska, USAMore
Feb 27, 2022 05:49
41 weeks ago
3.3

35 km
North Pacific Ocean, 51 mi S of Unalaska, Aleutians West, Alaska, USAMore
Feb 22, 2022 07:32
41 weeks ago
4.0

42 km
Bering Sea, 103 mi SW of Unalaska, Aleutians West, Alaska, USAMore
Feb 22, 2022 04:10
42 weeks ago
5.1

49 km
Bering Sea, 39 mi S of Unalaska, Aleutians West, Alaska, USAMore
Feb 21, 2022 08:50
42 weeks ago
2.2

48 km
72 Km S of Unalaska, AlaskaMore
Feb 21, 2022 04:30
42 weeks ago
2.0

26 km
Fox Islands, Aleutian IslandsMore
Feb 21, 2022 02:33
42 weeks ago
5.1

24 km
Bering Sea, 51 mi S of Unalaska, Aleutians West, Alaska, USAMore
Feb 14, 2022 13:05
43 weeks ago
3.8

10 km
North Pacific Ocean, 74 mi S of Nikolski, Aleutians West, Alaska, USAMore
Feb 12, 2022 03:04
43 weeks ago
4.0

43 km
North Pacific Ocean, 99 mi SW of Unalaska, Aleutians West, Alaska, USAMore
Feb 10, 2022 11:53
43 weeks ago
4.3

5.1 km
North Pacific Ocean, 56 mi S of Unalaska, Aleutians West, Alaska, USAMore
Feb 4, 2022 16:23
44 weeks ago
3.7

10 km
North Pacific Ocean, 52 mi S of Unalaska, Aleutians West, Alaska, USAMore
Feb 2, 2022 23:54
44 weeks ago
4.7

48 km
Bering Sea, 39 mi S of Unalaska, Aleutians West, Alaska, USAMore
Jan 31, 2022 11:39
45 weeks ago
4.2

42 km
North Pacific Ocean, 69 mi S of Unalaska, Aleutians West, Alaska, USAMore
Jan 31, 2022 08:56
45 weeks ago
3.6

35 km
Bering Sea, 99 mi SW of Unalaska, Aleutians West, Alaska, USAMore
Jan 30, 2022 19:58
45 weeks ago
4.5

56 km
Bering Sea, 45 mi S of Unalaska, Aleutians West, Alaska, USAMore
Jan 28, 2022 23:01
45 weeks ago
2.1

74 km
28 Km S of Unalaska, AlaskaMore
Jan 28, 2022 23:01
45 weeks ago
2.6

73 km
39 Km S of Unalaska, AlaskaMore
Jan 27, 2022 09:47
45 weeks ago
3.9

10 km
North Pacific Ocean, Alaska, USAMore
Jan 24, 2022 20:59
46 weeks ago
3.7

26 km
Bering Sea, Alaska, USAMore
Jan 24, 2022 06:09
46 weeks ago
5.0

44 km
Bering Sea, Alaska, USAMore
Jan 24, 2022 00:02
46 weeks ago
3.0

26 km
Bering Sea, Alaska, USAMore
Jan 23, 2022 19:10
46 weeks ago
4.6

10 km
North Pacific Ocean, Alaska, USAMore
Jan 22, 2022 07:45
46 weeks ago
2.2

26 km
79 Km SSW of Unalaska, AlaskaMore
Jan 22, 2022 05:38
46 weeks ago
3.9

26 km
Bering Sea, Alaska, USAMore
Jan 22, 2022 05:19
46 weeks ago
4.6

43 km
Bering Sea, Alaska, USAMore
Jan 22, 2022 05:17
46 weeks ago - felt
6.2

43 km
Bering Sea, Alaska, USAMore
Jan 15, 2022 00:22
47 weeks ago
4.6

16 km
North Pacific Ocean, Alaska, USAMore
Jan 14, 2022 10:55
47 weeks ago
4.1

36 km
North Pacific Ocean, Alaska, USAMore
Jan 12, 2022 14:28
47 weeks ago
4.6

17 km
North Pacific Ocean, Alaska, USAMore
Jan 12, 2022 13:15
47 weeks ago
4.0

10 km
North Pacific Ocean, Alaska, USAMore
Jan 12, 2022 05:29
47 weeks ago
4.0

10 km
North Pacific Ocean, Alaska, USAMore
Jan 12, 2022 04:25
47 weeks ago
4.2

10 km
North Pacific Ocean, Alaska, USAMore
Jan 12, 2022 02:51
47 weeks ago
3.7

10 km
North Pacific Ocean, Alaska, USAMore
Jan 12, 2022 02:32
47 weeks ago
4.6

10 km
North Pacific Ocean, Alaska, USAMore
Jan 12, 2022 02:31
47 weeks ago
3.7

10 km
North Pacific Ocean, Alaska, USAMore
Jan 11, 2022 22:15
47 weeks ago
4.7

23 km
North Pacific Ocean, Alaska, USAMore
Jan 11, 2022 18:18
47 weeks ago
4.8

10 km
North Pacific Ocean, Alaska, USAMore
Jan 11, 2022 18:01
47 weeks ago
4.1

10 km
North Pacific Ocean, Alaska, USAMore
Jan 11, 2022 17:21
47 weeks ago
4.3

10 km
North Pacific Ocean, Alaska, USAMore
Jan 11, 2022 17:03
47 weeks ago
4.4

10 km
North Pacific Ocean, Alaska, USAMore
Jan 11, 2022 15:27
47 weeks ago
4.8

19 km
North Pacific Ocean, Alaska, USAMore
Jan 11, 2022 14:43
47 weeks ago
4.7

24 km
North Pacific Ocean, Alaska, USAMore
Jan 11, 2022 13:50
47 weeks ago
4.4

10 km
North Pacific Ocean, Alaska, USAMore
Jan 11, 2022 13:22
47 weeks ago
4.7

10 km
North Pacific Ocean, Alaska, USAMore
Jan 11, 2022 12:53
47 weeks ago
5.8

45 km
North Pacific Ocean, Alaska, USAMore
Jan 11, 2022 12:39
47 weeks ago
6.6

11 km
North Pacific Ocean, Alaska, USAMore
Jan 11, 2022 12:37
47 weeks ago
4.7

35 km
North Pacific Ocean, Alaska, USAMore
Jan 11, 2022 11:54
47 weeks ago
4.8

37 km
North Pacific Ocean, Alaska, USAMore
Jan 11, 2022 11:45
47 weeks ago
5.4

32 km
North Pacific Ocean, Alaska, USAMore
Show all

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