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Major magnitude 7.1 earthquake - Bering Sea, 22 mi southwest of Nikolski, Aleutians West (CA) County, Alaska, USA, on Monday, 11 March 1957 at 09:58 (GMT)
Tremblement de terre majeur magnitude 7.1 at 35 km depth
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Data for the same earthquake reported by different agencies
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| Magnitude | Profondeur | Location | Source |
| M 7.1 | 35 km | Fox Islands, Aleutian Islands, Alaska (USA) | USGS |
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.
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Aftershocks
More info
Based on its magnitude, the fault that was active during the quake ruptured along a surface of approx. 1259 km
2 (=486 sqare miles) as a first-order estimate. The length of the rupture zone thus was probably around 61 km (38 mi).
Aftershocks typically occur during the weeks, months or even a year following the quake at or near the same fault, at distances of up to approx. two times the length of the rupture zone.
The often broadly linear arrangement of aftershock epicenters encompasses the rupture zone of the main shock (check on the
map below to verify).
28 Feb 1959 01:32 UTC
| M 5.5 | 0 km (0 mi) depth
| 84 km (52 mi) distance
| USGS | Details16 Jan 1959 01:31 UTC
| M 5.9 | 50 km (31.1 mi) depth
| 144 km (90 mi) distance
| USGS | Details24 Jul 1958 13:08 UTC
| M 5.6 | 35 km (21.7 mi) depth
| 55 km (34 mi) distance
| USGS | Details12 Jun 1958 20:53 UTC
| M 6.3 | 35 km (21.7 mi) depth
| 149 km (93 mi) distance
| USGS | Very strong mag. 6.3 earthquake - North Pacific Ocean, 86 mi south of Unalaska, Aleutians West (CA) County, Alaska, USA, on Thursday, 12 June 1958 at 20:53 (GMT)10 Jun 1958 00:10 UTC
| M 0.0 | 0 km (0 mi) depth
| 134 km (83 mi) distance
| USGS | Details09 Jun 1958 15:59 UTC
| M 0.0 | 0 km (0 mi) depth
| 136 km (84 mi) distance
| USGS | Details04 Jun 1958 14:29 UTC
| M 6.3 | 25 km (15.5 mi) depth
| 132 km (82 mi) distance
| USGS | Very strong mag. 6.3 earthquake - North Pacific Ocean, 91 mi south of Unalaska, Aleutians West (CA) County, Alaska, USA, on Wednesday, 4 June 1958 at 14:29 (GMT)30 May 1958 18:04 UTC
| M 6.1 | 35 km (21.7 mi) depth
| 48 km (30 mi) distance
| USGS | Strong mag. 6.1 earthquake - North Pacific Ocean, 40 mi south of Nikolski, Aleutians West (CA) County, Alaska, USA, on Friday, 30 May 1958 at 18:04 (GMT)26 May 1958 10:56 UTC
| M 6.1 | 130 km (80.8 mi) depth
| 69 km (43 mi) distance
| USGS | Strong mag. 6.1 earthquake - Bering Sea, 15 mi northeast of Uliaga Island, Aleutians West County, Alaska, USA, on Monday, 26 May 1958 at 10:56 (GMT)12 May 1958 05:38 UTC
| M 0.0 | 0 km (0 mi) depth
| 58 km (36 mi) distance
| USGS | Details27 Apr 1958 19:03 UTC
| M 5.8 | 49.7 km (30.9 mi) depth
| 37 km (23 mi) distance
| USGS | Details13 Dec 1957 20:26 UTC
| M 6.0 | 25 km (15.5 mi) depth
| 83 km (51 mi) distance
| USGS | Strong mag. 6.0 earthquake - North Pacific Ocean, 183 mi southwest of Unalaska, Aleutians West (CA) County, Alaska, USA, on Friday, 13 December 1957 at 20:26 (GMT)03 Dec 1957 21:46 UTC
| M 5.6 | 0 km (0 mi) depth
| 41 km (26 mi) distance
| USGS | Details23 Nov 1957 00:58 UTC
| M 5.7 | 35 km (21.7 mi) depth
| 108 km (67 mi) distance
| USGS | Details23 Oct 1957 05:56 UTC
| M 6.2 | 35 km (21.7 mi) depth
| 52 km (32 mi) distance
| USGS | Strong mag. 6.2 earthquake - Bering Sea, 37 mi southeast of Herbert Island, Aleutians West County, Alaska, USA, on Wednesday, 23 October 1957 at 05:56 (GMT)02 Sep 1957 14:20 UTC
| M 6.2 | 0 km (0 mi) depth
| 137 km (85 mi) distance
| USGS | Major magnitude 6.2 earthquake - North Pacific Ocean, 163 mi south of Unalaska, Aleutians West (CA) County, Alaska, USA, on Monday, 2 September 1957 at 14:20 (GMT)Show all
01 Aug 1957 16:18 UTC
| M 5.6 | 0 km (0 mi) depth
| 94 km (59 mi) distance
| USGS | Details13 Jul 1957 00:59 UTC
| M 5.7 | 25.8 km (16 mi) depth
| 54 km (34 mi) distance
| USGS | Details24 May 1957 03:36 UTC
| M 6.0 | 35 km (21.7 mi) depth
| 117 km (73 mi) distance
| USGS | Strong mag. 6.0 earthquake - Bering Sea, 21 mi southeast of Breed Island, Aleutians West County, Alaska, USA, on Friday, 24 May 1957 at 03:36 (GMT)02 May 1957 11:38 UTC
| M 6.3 | 26 km (16.2 mi) depth
| 40 km (25 mi) distance
| USGS | Very strong mag. 6.3 earthquake - North Pacific Ocean, 33 mi south of Nikolski, Aleutians West (CA) County, Alaska, USA, on Thursday, 2 May 1957 at 11:38 (GMT)02 May 1957 11:29 UTC
| M 6.3 | 30 km (18.6 mi) depth
| 38 km (24 mi) distance
| USGS | Very strong mag. 6.3 earthquake - North Pacific Ocean, 32 mi south of Nikolski, Aleutians West (CA) County, Alaska, USA, on Thursday, 2 May 1957 at 11:29 (GMT)29 Apr 1957 04:30 UTC
| M 5.6 | 25 km (15.5 mi) depth
| 40 km (25 mi) distance
| USGS | Details28 Apr 1957 14:49 UTC
| M 5.8 | 25 km (15.5 mi) depth
| 53 km (33 mi) distance
| USGS | Details17 Apr 1957 13:25 UTC
| M 5.8 | 25 km (15.5 mi) depth
| 65 km (40 mi) distance
| USGS | Details09 Apr 1957 20:24 UTC
| M 5.7 | 25 km (15.5 mi) depth
| 56 km (35 mi) distance
| USGS | Details29 Mar 1957 22:49 UTC
| M 6.0 | 25 km (15.5 mi) depth
| 65 km (40 mi) distance
| USGS | Strong mag. 6.0 earthquake - North Pacific Ocean, 37 mi southeast of Nikolski, Aleutians West (CA) County, Alaska, USA, on Friday, 29 March 1957 at 22:49 (GMT)25 Mar 1957 00:39 UTC
| M 6.0 | 0 km (0 mi) depth
| 147 km (91 mi) distance
| USGS | Very strong mag. 6.0 earthquake - North Pacific Ocean, 54 mi southeast of Breed Island, Aleutians West County, Alaska, USA, on Monday, 25 March 1957 at 00:39 (GMT)24 Mar 1957 11:06 UTC
| M 6.0 | 20 km (12.4 mi) depth
| 65 km (41 mi) distance
| USGS | Very strong mag. 6.0 earthquake - North Pacific Ocean, 46 mi southeast of Herbert Island, Aleutians West County, Alaska, USA, on Sunday, 24 March 1957 at 11:06 (GMT)22 Mar 1957 17:09 UTC
| M 0.0 | 0 km (0 mi) depth
| 141 km (87 mi) distance
| USGS | Details21 Mar 1957 12:31 UTC
| M 0.0 | 0 km (0 mi) depth
| 121 km (75 mi) distance
| USGS | Details20 Mar 1957 00:22 UTC
| M 0.0 | 0 km (0 mi) depth
| 48 km (30 mi) distance
| USGS | Details19 Mar 1957 17:04 UTC
| M 0.0 | 0 km (0 mi) depth
| 122 km (76 mi) distance
| USGS | Details19 Mar 1957 08:14 UTC
| M 0.0 | 0 km (0 mi) depth
| 97 km (60 mi) distance
| USGS | Details18 Mar 1957 02:25 UTC
| M 6.0 | 38.6 km (24 mi) depth
| 135 km (84 mi) distance
| USGS | Strong mag. 6.0 earthquake - Bering Sea, 10.9 mi southeast of Amukta Island, Aleutians West County, Alaska, USA, on Monday, 18 March 1957 at 02:25 (GMT)15 Mar 1957 02:52 UTC
| M 6.4 | 25 km (15.5 mi) depth
| 139 km (86 mi) distance
| USGS | Very strong mag. 6.4 earthquake - North Pacific Ocean, 81 mi south of Unalaska, Aleutians West (CA) County, Alaska, USA, on Friday, 15 March 1957 at 02:52 (GMT)14 Mar 1957 01:52 UTC
| M 5.7 | 0 km (0 mi) depth
| 49 km (31 mi) distance
| USGS | Details13 Mar 1957 09:09 UTC
| M 0.0 | 0 km (0 mi) depth
| 62 km (39 mi) distance
| USGS | Details12 Mar 1957 12:46 UTC
| M 6.0 | 0 km (0 mi) depth
| 59 km (37 mi) distance
| USGS | Very strong mag. 6.0 earthquake - Bering Sea, 18 mi east of Nikolski, Aleutians West (CA) County, Alaska, USA, on Tuesday, 12 March 1957 at 12:46 (GMT)
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(Bering Sea, Alaska, États-Unis)
